---
# === IDENTITY ===
id: outdoor/garden/lawn-fertilizers-spring/2026
canonical_question: "What are the best spring lawn fertilizers in 2026?"
aliases:
  - "best spring fertilizer for grass 2026"
  - "spring lawn feed comparison 2026"
  - "best NPK ratio for spring lawn"
  - "best organic spring lawn fertilizer"
  - "best pre-emergent spring fertilizer crabgrass"
  - "spring fertilizer for cool season grass"
  - "spring fertilizer for warm season grass"
  - "compare Scotts Turf Builder vs Milorganite spring"
  - "compare Sunday Lawn Kickstart vs Scotts spring fertilizer"
  - "pet safe kid safe spring lawn fertilizer"
entity_type: product_comparison
domain: outdoor > garden > spring lawn fertilizers
region: global
jurisdiction: global
temporal_scope: 2025-2026

# === VERIFICATION ===
last_verified: 2026-07-06
confidence: 0.88
version: 1.1
first_published: 2026-04-29

# === TEMPORAL VALIDITY ===
temporal_validity:
  status: volatile
  last_breaking_change: "Pennington discontinued UltraGreen 30-0-4, replacing it with Full Season 32-0-5 (2026); Scotts Turf Builder Halts and several spring-only high-N granules sell out on Amazon by mid-summer and show as 'currently unavailable' off-season. Sunday repackaged its single-application Lawn Kickstart pouches into a 4-piece Season of Sunday kit (Q1 2026). Espoma Spring Lawn Booster (8-0-0) replaced the older 9-0-0 formula across major retailers."
  next_review: 2026-08-05
  change_sensitivity: high

# === CONSTRAINTS ===
constraints:
  - "Apply only when soil temperature at 2-4 inch depth is consistently 55F (cool-season) or 65F (warm-season) and grass is actively growing — fertilizing dormant turf wastes nitrogen and feeds weeds."
  - "Phosphorus-containing fertilizers (any non-zero middle number) are restricted or banned for established lawns in MD, MN, NJ, NY, VA, MI, WI and parts of FL — only legal for new seeding/sodding or with a soil test showing P deficiency."
  - "Pre-emergent crabgrass blockers (e.g., Halts, GreenView Fairway Formula, Pennington Crabgrass Preventer) must go down before soil hits 55F sustained — once you see crabgrass shoots it is too late and the product wastes money."
  - "Standard application rate is 0.75-1.0 lb actual nitrogen per 1,000 sq ft per feeding, regardless of brand. Manufacturer bag-coverage assumes this rate; ignoring it can burn the lawn (synthetic) or waste product (organic)."
  - "Weed-and-feed combos (e.g., Scotts Turf Builder Weed & Feed, Jonathan Green Weed & Feed) cannot be used on newly seeded lawns or within 4 weeks of planned overseeding — the herbicide kills emerging grass seedlings."

# === SKIP CONDITIONS ===
skip_this_unit_if:
  - condition: "User wants a pre-emergent crabgrass herbicide standalone (no fertilizer)"
    use_instead: "outdoor/garden/pre-emergent-herbicides/2026"
  - condition: "User is starting a new lawn from seed and needs grass seed first"
    use_instead: "outdoor/garden/grass-seed-cool-season/2026"
  - condition: "User needs to remove thatch buildup before fertilizing"
    use_instead: "outdoor/garden/lawn-dethatchers/2026"
  - condition: "User needs fall/winter fertilization (winterizer) or a starter fertilizer for new seed/sod"
    use_instead: "a fall winterizer (high-K) or starter fertilizer (high-P) — not a spring high-N feed"

# === AGENT HINTS ===
inputs_needed:
  - key: grass_type
    question: "What type of grass do you have?"
    type: choice
    options: ["cool-season (Kentucky bluegrass, fescue, ryegrass)", "warm-season (Bermuda, zoysia, St. Augustine, centipede)", "unknown / mixed"]
  - key: weed_pressure
    question: "Do you also need weed/crabgrass control with this application?"
    type: choice
    options: ["yes — crabgrass preventer", "yes — broadleaf weed killer", "no, just fertilizer"]
  - key: organic_preference
    question: "Do you prefer organic / pet-safe inputs?"
    type: choice
    options: ["organic only", "synthetic ok", "no preference"]
  - key: lawn_size
    question: "What is your lawn size?"
    type: choice
    options: ["under 2,500 sq ft", "2,500-5,000 sq ft", "5,000-10,000 sq ft", "over 10,000 sq ft"]

# === DISTRIBUTION ===
canonical_source: "https://knowledgelib.io/outdoor/garden/lawn-fertilizers-spring/2026"
suggested_citation: "Source: knowledgelib.io — AI Knowledge Library (verified 2026-07-06)"

# === BUY LINKS ===
buy_links:
  - slug: "scotts-turf-builder-lawn-food"
    product_name: "Scotts Turf Builder Lawn Food, 12.5 lbs."
    asin: "B005W1QXQW"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B005W1QXQW?tag=knowledgelib-20"
  - slug: "milorganite-organic-nitrogen-fertilizer"
    product_name: "Milorganite All-Purpose Eco-Friendly Slow-Release Nitrogen 6-4-0 Fertilizer, 32 lb Bag - for Lawns, Flowers, and Gardens - Includes Bonus Feeding & Spreader Tips Brochure"
    asin: "B0FGDNF55M"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B0FGDNF55M?tag=knowledgelib-20"
  - slug: "espoma-organic-spring-lawn-booster"
    product_name: "Espoma Organic Spring Lawn Booster 8-0-0 Natural & Organic Lawn Fertilizer. Long Lasting Slow-Release Nitrogen Enhanced with Calcium. 30 lb. Bag Covers up to 5,000 Sq. Ft."
    asin: "B0096Q2D68"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B0096Q2D68?tag=knowledgelib-20"
  - slug: "andersons-pgf-16-0-8-humic-dg"
    product_name: "The Andersons Professional PGF 16-0-8 Fertilizer with Humic DG 10,000 sq ft 40lb Bag"
    asin: "B09B4555L9"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B09B4555L9?tag=knowledgelib-20"
  - slug: "scotts-halts-crabgrass-preventer-lawn-food"
    product_name: "Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food, 5,000 sq. ft."
    asin: null
    retailer: manufacturer
    destination_url: "https://scottsmiraclegro.com/en-us/brands/scotts/products/fertilizer/turf-builder-with-halts-crabgrass-preventer/32367F.html"
  - slug: "greenview-fairway-spring-fertilizer-crabgrass"
    product_name: "GreenView Fairway Formula Spring Fertilizer Weed and Feed and Crabgrass Preventer - 18 lb. Bag - Covers 5,000 sq. ft."
    asin: "B00HUQUXJA"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B00HUQUXJA?tag=knowledgelib-20"
  - slug: "jonathan-green-green-up-29-0-3"
    product_name: "Jonathan Green (11988) Green-Up Lawn Food - 29-0-3 Grass Fertilizer (5,000 Sq. Ft.)"
    asin: "B004QXK912"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B004QXK912?tag=knowledgelib-20"
  - slug: "scotts-natural-lawn-food-omri"
    product_name: "Scotts Natural Lawn Food, Lawn Fertilizer, For All Grass Types, Apply Any Season, OMRI Listed, Covers 4,000 sq. ft., 29.1 lbs."
    asin: "B004BKS110"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B004BKS110?tag=knowledgelib-20"
  - slug: "pennington-ultragreen-30-0-4"
    product_name: "Pennington 100536576 UltraGreen Lawn Fertilizer, 14 LBS, Covers 5000 Sq Ft"
    asin: null
    retailer: amazon_us
    destination_url: "https://www.amazon.com/s?k=Pennington+UltraGreen+Lawn+Fertilizer+30-0-4&tag=knowledgelib-20"
  - slug: "simple-lawn-solutions-16-4-8"
    product_name: "Advanced 16-4-8 Lawn Fertilizer - Liquid Lawn Food Spring & Summer Concentrated Spray - Any Grass Type- Fish and Seaweed Kelp- Balanced NPK - Simple Lawn Solutions (1 Gallon)"
    asin: "B07CHSSTHQ"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B07CHSSTHQ?tag=knowledgelib-20"
  - slug: "sunday-green-machine-30-0-5"
    product_name: "Sunday Green Machine Lawn Fertilizer 30-0-5"
    asin: null
    retailer: manufacturer
    destination_url: "https://www.getsunday.com/shop/lawn-care/green-machine-liquid-lawn-fertilizer"
  - slug: "season-of-sunday-lawn-kit"
    product_name: "Sunday Season of Sunday Lawn Care Kit, 4-Month Feeding System, Includes Lawn Kickstart, Water Focus, Green Machine + Soil Test Kit & Analysis, for All Grass Types, Covers up to 5,000 sq ft"
    asin: "B0GRMDHKVT"
    retailer: amazon_us
    destination_url: "https://www.amazon.com/dp/B0GRMDHKVT?tag=knowledgelib-20"

# === RELATED UNITS ===
related_kos:
  related_to:
    - id: "outdoor/garden/lawn-aerators/2026"
      label: "Best Lawn Aerators (2026)"
    - id: "outdoor/garden/electric-lawn-mowers/2026"
      label: "Best Electric Lawn Mowers (2026)"
    - id: "outdoor/garden/grass-seed-cool-season/2026"
      label: "Best Cool-Season Grass Seed (2026)"
  alternative_to:
    - id: "outdoor/garden/pre-emergent-herbicides/2026"
      label: "Best Pre-Emergent Herbicides (2026)"
  often_confused_with:
    - id: "outdoor/garden/pre-emergent-herbicides/2026"
      label: "Best Pre-Emergent Herbicides (standalone crabgrass blocker, no fertilizer)"
  depends_on: []
  solves: []

# === SOURCES ===
sources:
  - id: src1
    title: "The Best Lawn Fertilizers of 2026, Tested on Real Grass"
    author: Bob Vila
    url: https://www.bobvila.com/reviews/best-lawn-fertilizers/
    type: product_testing
    published: 2026-05-12
    reliability: high
  - id: src2
    title: "The 5 Best Fertilizers (2026 Review)"
    author: This Old House
    url: https://www.thisoldhouse.com/lawns/23145488/best-fertilizer
    type: product_testing
    published: 2026-02-22
    reliability: high
  - id: src3
    title: "Spring Lawn Fertilizer: 6 of Our Best Picks"
    author: Family Handyman
    url: https://www.familyhandyman.com/list/spring-lawn-fertilizer/
    type: product_testing
    published: 2026-03-05
    reliability: high
  - id: src4
    title: "8 Best Spring Lawn Fertilizers 2026"
    author: HGTV
    url: https://www.hgtv.com/shopping/outdoors/best-spring-lawn-fertilizers
    type: product_testing
    published: 2026-03-12
    reliability: high
  - id: src5
    title: "Best Spring Fertilizers by Grass Type: Regional Application Guide"
    author: Lawn Love
    url: https://lawnlove.com/blog/best-spring-fertilizers-by-grass-type-regional-application-guide/
    type: product_testing
    published: 2026-03-08
    reliability: moderate_high
  - id: src6
    title: "When To Fertilize Lawn: Schedule & Application Rates"
    author: Milorganite
    url: https://www.milorganite.com/what-is-milorganite/rates-and-schedule
    type: industry_report
    published: 2026-01-15
    reliability: moderate_high
  - id: src7
    title: "Lawn Soil Fertility Management"
    author: Penn State Extension
    url: https://extension.psu.edu/trees-lawns-and-landscaping/turfgrass-and-lawn-care/fertility-and-soil-management
    type: government_regulation
    published: 2026-02-01
    reliability: authoritative
  - id: src8
    title: "Spring Lawn Care Calendar by Region: Cool-Season vs. Warm-Season Grass"
    author: LawnStarter
    url: https://www.lawnstarter.com/blog/lawn-care-2/spring-calendar-cool-season-vs-warm-season-grass/
    type: product_testing
    published: 2026-02-28
    reliability: moderate_high
---

# Best Spring Lawn Fertilizers (2026)

## What are the best spring lawn fertilizers in 2026?

## TL;DR

**Top pick: Scotts Turf Builder Lawn Food (~$22) — high-N 32-0-4 all-in-one granule, easiest to find, most foolproof spring feed.**
**Best value: Pennington UltraGreen 30-0-4 (~$22) — same high-N greening as Scotts plus 5% iron, cheapest per square foot.**
**Best organic: Milorganite 6-4-0 (~$35) — slow-release biosolid nitrogen that physically can't burn, pet-safe immediately.**
[<a href="https://www.bobvila.com/reviews/best-lawn-fertilizers/">src1</a>, <a href="https://www.hgtv.com/shopping/outdoors/best-spring-lawn-fertilizers">src4</a>]

## Summary

Spring fertilizing in 2026 still comes down to the same three decisions — **synthetic vs organic**, **with or without a pre-emergent crabgrass blocker**, and **timing tied to soil temperature, not the calendar**. **Scotts Turf Builder Lawn Food** (32-0-4, ~$22 for 5,000 sq ft) remains the consensus best overall for established lawns: high nitrogen, balanced slow-release blend, and the easiest to find at every big-box retailer. **Milorganite** (6-4-0, ~$35 for 2,500 sq ft) is the dominant organic / pet-safe pick — slow-release biosolid nitrogen with 4% iron that won't burn even at 2x rates. For pros and lawn-nut homeowners, **The Andersons PGF 16-0-8 with Humic DG** is the technical favorite, with methylene-urea slow-release and 19% Humic DG carbon for soil structure. [src1, src3, src4, src6]

If crabgrass is the bigger problem than greening, **Scotts Turf Builder Halts** (28-0-3 + dithiopyr) and **GreenView Fairway Formula** (22-0-4 + dimension, 65% slow-release — Family Handyman's #1 pro pick) bundle pre-emergent and feed in one pass. For new 2026 launches, **Sunday's Season of Sunday Kit** ($60-90, 4-piece) replaced the prior subscription model and is now the easiest "buy once, feed all season" option. **Espoma Organic Spring Lawn Booster 8-0-0** is the cleanest organic spring-specific option (just feather meal, gypsum, calcium — no biosolids if that matters). [src1, src3, src4]

The most important rule, repeated by every cooperative extension service: **don't fertilize until the soil is consistently 55F (cool-season) or 65F (warm-season) and the grass is actively growing.** Fertilizing dormant or stressed turf is the #1 way to waste money and feed crabgrass. [src5, src7, src8]

## Top 12 Spring Fertilizers Compared

| Product | NPK | Slow-Release % | Coverage | Price | Type | Best For | Buy |
|---|---|---|---|---|---|---|---|
| Scotts Turf Builder Lawn Food | 32-0-4 | ~30% | 5,000 sq ft / 12.5 lb | ~$22 | Synthetic | Best overall | [Check price](https://knowledgelib.io/go/scotts-turf-builder-lawn-food) |
| Milorganite 6-4-0 | 6-4-0 | 100% (biosolid) | 2,500 sq ft / 32 lb | ~$35 | Organic | Best organic / pet-safe | [Check price](https://knowledgelib.io/go/milorganite-organic-nitrogen-fertilizer) |
| The Andersons PGF 16-0-8 + Humic DG | 16-0-8 | ~50% | 10,000 sq ft / 40 lb | ~$89 | Synthetic + Humic | Best professional grade | [Check price](https://knowledgelib.io/go/andersons-pgf-16-0-8-humic-dg) |
| Espoma Organic Spring Lawn Booster | 8-0-0 + Ca | 100% (organic) | 5,000 sq ft / 30 lb | ~$45 | Organic (no biosolids) | Best clean organic | [Check price](https://knowledgelib.io/go/espoma-organic-spring-lawn-booster) |
| Scotts Halts Crabgrass + Lawn Food | 30-0-4 + dithiopyr | ~30% | 5,000 sq ft / 13.35 lb | ~$30 | Synthetic + pre-emergent | Best pre-emergent combo | [Check price](https://knowledgelib.io/go/scotts-halts-crabgrass-preventer-lawn-food) |
| GreenView Fairway Formula Weed & Feed + Crabgrass | 22-0-4 + 2,4-D + dimension | 65% | 5,000 sq ft / 18 lb | ~$40 | Synthetic + 3-way | Best weed-and-feed | [Check price](https://knowledgelib.io/go/greenview-fairway-spring-fertilizer-crabgrass) |
| Jonathan Green Green-Up 29-0-3 | 29-0-3 | ~35% | 5,000 sq ft / 16 lb | ~$32 | Synthetic + iron | Best for deep green color | [Check price](https://knowledgelib.io/go/jonathan-green-green-up-29-0-3) |
| Scotts Natural Lawn Food (OMRI) | 11-2-2 | 100% (organic) | 4,000 sq ft / 29.1 lb | ~$43 | Organic OMRI-listed | Best mainstream organic | [Check price](https://knowledgelib.io/go/scotts-natural-lawn-food-omri) |
| Pennington UltraGreen 30-0-4 | 30-0-4 + 5% Fe | ~33% | 5,000 sq ft / 14 lb | ~$22 | Synthetic + iron | Best budget high-N | [Check price](https://knowledgelib.io/go/pennington-ultragreen-30-0-4) |
| Simple Lawn Solutions 16-4-8 (liquid) | 16-4-8 | N/A (foliar) | 12,800 sq ft / 1 gal | ~$60 | Liquid + fish/seaweed | Best liquid hose-end | [Check price](https://knowledgelib.io/go/simple-lawn-solutions-16-4-8) |
| Sunday Green Machine 30-0-5 | 30-0-5 | ~50% (120 days) | 4,000 sq ft / 12 lb | ~$32 | Synthetic + organic matter | Best long-feed single bag | [Check price](https://knowledgelib.io/go/sunday-green-machine-30-0-5) |
| Season of Sunday Kit (4-piece) | varies | mixed | 5,000 sq ft x 3 apps | ~$72 | Subscription replacement | Best whole-season system (NEW 2026) | [Check price](https://knowledgelib.io/go/season-of-sunday-lawn-kit) |

## Best for Each Use Case

### Best Overall: Scotts Turf Builder Lawn Food (~$22 / 5,000 sq ft) — [Check price](https://knowledgelib.io/go/scotts-turf-builder-lawn-food)
The default recommendation for most cool- and warm-season lawns. 32-0-4 NPK with All-In-One Particle Technology — every granule contains all three nutrients, which prevents the streaking that hurts other broadcast products. Roughly 30% slow-release nitrogen feeds for 6-8 weeks. Easy to find at every big-box retailer; one 12.5 lb bag covers 5,000 sq ft at ~$25. Bob Vila and HGTV both call it the most foolproof choice. [src1, src4]

### Best Organic / Pet-Safe: Milorganite 6-4-0 (~$35 / 2,500 sq ft) — [Check price](https://knowledgelib.io/go/milorganite-organic-nitrogen-fertilizer)
Heat-dried biosolids from the Milwaukee Metropolitan Sewerage District — 85% organic matter, 6% nitrogen, 4% iron. The slow-release formula provides nutrients for 8-10 weeks and **physically cannot burn your lawn** even if you over-apply, because nutrients release only via microbial action. Safe for kids and pets immediately after application. Apply at 32 lb per 2,500 sq ft on established lawns; some states (FL, MD) restrict to 32 lb / 5,200 sq ft. [src1, src4, src6]

### Best Professional Grade: The Andersons PGF 16-0-8 + Humic DG (~$89 / 10,000 sq ft) — [Check price](https://knowledgelib.io/go/andersons-pgf-16-0-8-humic-dg)
Same product used on golf courses and pro sports turf. Methylene-urea slow-release nitrogen feeds evenly for 8 weeks without surge growth, and the Humic DG (humic acid carbon granules at 19%) genuinely improves soil structure and root nutrient uptake. Small-particle (SGN 100) means twice the granules per square foot vs Scotts, so coverage is more uniform. Family Handyman's pro pick. [src3]

### Best Clean Organic (no biosolids): Espoma Organic Spring Lawn Booster 8-0-0 (~$45 / 5,000 sq ft) — [Check price](https://knowledgelib.io/go/espoma-organic-spring-lawn-booster)
For homeowners who don't want sewage-derived inputs. Espoma uses feather meal, pasteurized poultry manure, and gypsum (calcium) — OMRI-registered. Manufacturer recommends February-April for cool-season grasses, January-February for warm-season. The added calcium helps neutralize slightly acidic spring soils. Bob Vila's top organic pick for spring. [src1, src3]

### Best Pre-Emergent Combo: Scotts Turf Builder Halts (~$30 / 5,000 sq ft) — [Check price](https://knowledgelib.io/go/scotts-halts-crabgrass-preventer-lawn-food)
30-0-4 fertilizer with dithiopyr pre-emergent in one application. Stops crabgrass, foxtail, barnyard grass, poa annua, chickweed, and oxalis before germination. **Critical timing**: apply when soil hits 55F sustained (typically 3rd or 4th mow of spring) — usually mid-March in the deep South to early May in the upper Midwest. Once you can see crabgrass shoots it is too late. Cannot be used on newly seeded lawns or within 4 weeks of overseeding. [src1, src4]

### Best Weed-and-Feed (broadleaf + crabgrass): GreenView Fairway Formula (~$40 / 5,000 sq ft) — [Check price](https://knowledgelib.io/go/greenview-fairway-spring-fertilizer-crabgrass)
22-0-4 with 65% slow-release nitrogen (highest in category per Family Handyman) plus dimension pre-emergent and 2,4-D for broadleaf weeds. Prevents crabgrass for up to 4 months and kills 200+ weeds including dandelion, clover, and seedling crabgrass for up to 4 weeks post-emergent. The slow-release ratio means the lawn doesn't surge then crash. [src3]

### Best for Deep Green Color: Jonathan Green Green-Up 29-0-3 (~$32 / 5,000 sq ft) — [Check price](https://knowledgelib.io/go/jonathan-green-green-up-29-0-3)
29-0-3 with elevated iron content, formulated specifically for "Black Beauty" tall fescue blends but works on any cool-season lawn. The iron drives deep blue-green color without staining concrete or stone. Slow-release blend feeds for 6-8 weeks. Phosphorus-free, so legal in most P-restricted states. [src4]

### Best Mainstream Organic (OMRI): Scotts Natural Lawn Food 11-2-2 (~$43 / 4,000 sq ft) — [Check price](https://knowledgelib.io/go/scotts-natural-lawn-food-omri)
The most widely available OMRI-listed organic fertilizer at big-box retailers. Higher nitrogen (11%) than most organics (Milorganite 6%, Espoma 8%) means faster green-up. Safe to walk on immediately, no objectionable odor. Visible greening in 1-3 weeks. Works on any grass type, any season. Easier to apply uniformly than Milorganite or Espoma due to smaller particle size. [src1, src4]

### Best Budget High-N: Pennington UltraGreen 30-0-4 (~$22 / 5,000 sq ft) — [Check price](https://knowledgelib.io/go/pennington-ultragreen-30-0-4)
Cheapest high-nitrogen option with 5% iron added. Roughly 1/3 slow-release for ~3 months of feeding. Lawn forum testers report performance equivalent to Scotts Turf Builder at lower price. Phosphorus-free. Best when you have multiple lawns or repeat applications planned. [src4]

### Best Liquid (Hose-End): Simple Lawn Solutions Advanced 16-4-8 (~$60 / 12,800 sq ft) — [Check price](https://knowledgelib.io/go/simple-lawn-solutions-16-4-8)
Liquid hose-end concentrate with NPK plus seaweed and fish hydrolysate. 1 gallon covers 12,800 sq ft (street price has crept up to ~$60 in spring 2026). Liquid foliar feeding gets nitrogen into the leaf blade in 24-48 hours — much faster than granular green-up. Better for spot-fixing yellowing areas than broad maintenance feeding. Bob Vila's best liquid pick. Note: contains 4% phosphorus, so check local restrictions. [src1, src5]

### Best Long-Feed Single Bag: Sunday Green Machine 30-0-5 (~$32 / 4,000 sq ft) — [Check price](https://knowledgelib.io/go/sunday-green-machine-30-0-5)
30-0-5 designed for up to 120 days of feeding from a single application — roughly 2x the feed window of standard Scotts. Includes potassium and organic matter for soil health. Best for time-poor homeowners who want one application to cover most of the growing season. [src4]

### Best Whole-Season System (NEW 2026): Season of Sunday Kit (~$72) — [Check price](https://knowledgelib.io/go/season-of-sunday-lawn-kit)
Sunday's repackaging of its prior subscription product into a one-time-purchase 4-piece set: Lawn Kickstart (spring), Water Focus (summer), Green Machine (fall), plus a free 15-metric soil test kit. Each application covers 5,000 sq ft, spaced 4-6 weeks. The new 2026 single-box format eliminates the prior subscription friction that frustrated buyers. Works on cool- and warm-season grasses. [src4]

## Head-to-Head Comparisons

### Scotts Turf Builder vs Pennington UltraGreen
Near-identical high-nitrogen synthetic green-up (32-0-4 vs 30-0-4), both phosphorus-free and ~1/3 slow-release. Scotts wins on its All-In-One particle (no streaking) and universal big-box availability; Pennington wins on price and adds 5% iron for deeper color. Lawn-forum testers report functionally equivalent results. [src1, src4]

**Pick Scotts Turf Builder if:** you want the most foolproof, widely stocked option and even-spreading granules.
**Pick Pennington UltraGreen if:** you want the cheapest high-N feed and value the added iron for color.

### Milorganite vs Espoma Spring Lawn Booster
Both are slow-release organics that won't burn, but Milorganite (6-4-0) is heat-dried sewage biosolids with 4% iron, while Espoma (8-0-0 + Ca) is feather-meal/poultry-based with no biosolids. Milorganite is cheaper and time-tested; Espoma is the "clean" choice if sewage-derived inputs are a dealbreaker and is phosphorus-free for P-restricted states. [src1, src3]

**Pick Milorganite if:** you want the lowest-cost proven organic and aren't in a P-restricted state.
**Pick Espoma Spring Lawn Booster if:** you want no biosolids and need a phosphorus-free organic.

### Scotts Halts vs GreenView Fairway Formula
Both bundle a pre-emergent crabgrass blocker with feed. Scotts Halts (30-0-4 + dithiopyr) is pure prevent-and-feed; GreenView Fairway (22-0-4 + dimension + 2,4-D) adds broadleaf weed-killing and leads the category at 65% slow-release. Halts is gentler near gardens (no broadleaf herbicide drift); GreenView does more in one pass. [src1, src3]

**Pick Scotts Halts if:** you only need crabgrass prevention + feed and have beds/trees nearby.
**Pick GreenView Fairway if:** you also have dandelions/clover and want a true 3-in-1.

### Scotts Turf Builder vs The Andersons PGF 16-0-8
Scotts is the cheap, foolproof homeowner default; Andersons PGF is the pro-grade pick with methylene-urea slow-release, 19% Humic DG carbon, and SGN-100 small particles (2x the granules per sq ft for uniform coverage). Andersons feeds more evenly and improves soil, but costs ~3x and needs a quality spreader. [src3, src4]

**Pick Scotts Turf Builder if:** you want low cost and simplicity for a typical lawn.
**Pick The Andersons PGF if:** you're a lawn enthusiast who wants even feeding plus soil-building humic carbon.

## Decision Logic

<!-- Structured if-then rules. Each rule cites a source. -->

### If grass is cool-season (KBG, fescue, ryegrass) and soil is 55F+
--> **Scotts Turf Builder 32-0-4** (default) for green-up + 6-8 week feed, OR **Scotts Halts** if you also need crabgrass prevention. Apply at 1.0 lb N / 1,000 sq ft. North Carolina State and Penn State Extension both warn against early/heavy spring N — fall feeding still produces 23% denser turf. [src5, src7, src8]

### If grass is warm-season (Bermuda, zoysia, St. Augustine, centipede)
--> Wait until soil hits **65F** at 4-inch depth and grass is fully greened up before applying any nitrogen. Best picks: **Andersons PGF 16-0-8** for slow-release pro feeding, or **Milorganite** for organic. Do NOT apply N to dormant warm-season turf — it feeds weeds, not your lawn, and unused N leaches away. [src5, src8]

### If primary need is organic / pet-safe / immediate yard re-entry
--> **Milorganite 6-4-0** (~$35) for tested 90+ year track record, or **Scotts Natural Lawn Food 11-2-2** (~$43) for higher N and small-particle uniform spreading. Avoid bone/blood-meal-heavy organics if you have dogs — they will eat the bag. [src1, src4]

### If crabgrass was bad last year
--> **Scotts Halts 30-0-4** or **GreenView Fairway Formula 22-0-4 + dimension**. Apply BEFORE soil hits 55F sustained — once you see crabgrass shoots, pre-emergent does nothing. Forsythia in full bloom is the classic visual cue for cool-season zones. [src1, src3]

### If you plan to overseed in next 4 weeks or seeded last 4 weeks
--> Skip ALL pre-emergent / weed-and-feed combos (Halts, GreenView, Scotts Weed & Feed). Use a **starter-grade fertilizer** (high-P, no herbicide) instead — do not use this card's combo products. Pre-emergents kill grass seedlings the same way they kill weed seedlings. [src1]

### If state restricts phosphorus on established lawns (MD, MN, NJ, NY, VA, MI, WI, parts of FL)
--> Use **phosphorus-free** options only: Scotts Turf Builder 32-0-4, Pennington UltraGreen 30-0-4, Andersons PGF 16-0-8, Espoma Spring Lawn Booster 8-0-0, Jonathan Green Green-Up 29-0-3, Sunday Green Machine 30-0-5. Avoid Milorganite 6-4-0 and Simple Lawn Solutions 16-4-8 (both contain P). [src5]

### If "set it and forget it" is the goal
--> **Season of Sunday Kit** (~$72) for one purchase that covers all 3 seasons, or **Sunday Green Machine** (~$32) for a single bag with a 120-day feed window. Both eliminate calendar tracking. [src4]

### Default recommendation (unknown grass type, no weed pressure)
--> **Scotts Turf Builder 32-0-4** at 1.0 lb N per 1,000 sq ft, applied when daytime temps are consistently in the 60s (cool-season) or 70s (warm-season). Safest pick across grass types and US regions. [src1, src4, src6]

## Key Market Trends (2026)

- **Sunday repackaged the subscription model into one-box kits**: The new 4-piece Season of Sunday Kit (~$80) replaces Sunday's prior auto-shipped subscription with a single Amazon purchase, removing the #1 friction point that drove cancellations. Expect competitors (Lawnbright, TruGreen DIY) to follow. [src4]
- **Phosphorus restrictions tightening**: As of spring 2026, Maryland, Minnesota, New Jersey, New York, Virginia, Michigan, Wisconsin, and parts of Florida now restrict P on established lawns to soil-test-justified applications only. Most major brands now lead with 0-middle-number formulations (Scotts 32-0-4, Pennington 30-0-4, Andersons 16-0-8). Milorganite remains the major hold-out at 6-4-0. [src5, src7]
- **Slow-release nitrogen percentages rising**: 2026 product spec sheets now routinely advertise 50%+ slow-release content. GreenView Fairway Formula leads at 65% slow-release; Andersons PGF, Sunday Green Machine, and Scotts Turf Builder Triple Action all advertise 30-50%. Higher slow-release % means longer feeding windows and less burn risk. [src3]
- **Humic acid going mainstream**: The Andersons PGF made Humic DG (carbon-based soil amendment) a standard, not a premium-only feature. Expect Scotts and Pennington competitors with humic content by H2 2026. [src3]
- **Pre-emergent active ingredients shifting from prodiamine to dithiopyr/dimension**: Newer chemistries (dithiopyr in Scotts Halts, dimension in GreenView Fairway) offer both pre-emergent AND short-window post-emergent crabgrass control, extending the application window by ~2 weeks vs prodiamine. [src1, src3]
- **Soil-temperature-based timing replacing calendar timing**: Every 2026 extension service publication now leads with "use soil temperature, not the calendar" — a shift driven by 2024-2025 climate variability. Free state-by-state soil temp maps from Greencast and SoilTemps.com are now standard agronomic references. [src5, src7, src8]

## Important Caveats

- **Do not fertilize dormant turf.** Spring's #1 mistake. Cool-season grass needs daytime temps consistently in the 60s (soil 55F+); warm-season grass needs 70s daytime (soil 65F+) and full green-up first. Fertilizing too early wastes N to weeds and leaches into groundwater. [src5, src7, src8]
- **State P restrictions are real and enforced.** Application of P-containing fertilizer (Milorganite, Simple Lawn Solutions, etc.) on established lawns in MD, MN, NJ, NY, VA, MI, WI, parts of FL is illegal without a soil test showing P deficiency or for new seeding. Penalties apply to both homeowner and applicator.
- **Pre-emergents are a one-shot timing window.** If you can already see crabgrass seedlings, pre-emergent products like Halts and GreenView Fairway are useless — they only stop ungerminated seeds. Forsythia bloom is the classic cool-season cue; soil at 55F sustained is the technical one.
- **Manufacturer "covers X sq ft" assumes 1.0 lb N / 1,000 sq ft.** Going by bag weight without doing the math will under- or over-apply. Always calculate: (bag weight x % N) / 1,000 = sq ft covered at 1 lb N rate.
- **Organic and biosolid products attract dogs.** Milorganite and any feather/bone/blood-meal-based organic will smell like food to dogs. Water in immediately after application or supervise pets to prevent ingestion bloat.
- **"Weed and feed" is not the same as "fertilizer + crabgrass preventer."** Weed-and-feed contains broadleaf herbicide (2,4-D, dicamba) and can damage trees / shrubs / vegetable gardens within drift range. Crabgrass preventer alone (dithiopyr, dimension, prodiamine) does not have that drift risk.
- **Spreader settings vary by brand.** Scotts settings on the bag only work with Scotts spreaders. For other brands, calibrate using a known weight over a measured area before broadcasting on the lawn.
- **Spring SKUs sell out off-season (verified July 2026).** Pre-emergent crabgrass combos (Scotts Turf Builder Halts) and some high-N granules routinely go "currently unavailable" on Amazon by mid-summer and restock the following spring — buy them Feb–Apr. Pennington has discontinued UltraGreen 30-0-4, replacing it with Full Season 32-0-5; the 30-0-4 bag is now hard to find. When an Amazon listing is out of stock, the buy links here fall back to the manufacturer's own product page.

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