Lawn Fertilizers

The right fertilizer at the right time makes all the difference. Cool-season lawns need 3-4 lbs N/1000 sq ft per year; warm-season rates vary by species.

Fertilizer Comparison

ProductActive IngredientTierBest ForCost
BioAG Ful-Humix (Humic Acid)Humic acid 55% concentrateCommunity GoldSoil health improvement, nutrient uptake enhancement, microbial activity support$25-40 per lbFound at: Amazon · DoMyOwn
Lesco / Anderson's Professional 24-0-624-0-6 (slow-release nitrogen + potassium)Community GoldSpring and fall fertilization for cool-season lawns. Slow-release nitrogen with light potassium.$30-50 per 50 lb bagFound at: Amazon · DoMyOwn
Milorganite (6-4-0 Organic Fertilizer)6-4-0 biosolids-based organic fertilizerStrong PickSlow-release organic fertilization with iron for dark green color. Popular in warm-season lawn communities.$12-18 per 32 lb bagFound at: Amazon · DoMyOwn
Scotts Turf Builder Starter Food (24-25-4)24-25-4 (high phosphorus starter fertilizer)Community GoldNew seeding and overseeding — high phosphorus for root establishment$20-30 per bagFound at: Amazon · DoMyOwn

Affiliate disclosure: we may earn from qualifying purchases.

Individual Product Reviews

Organic Community Gold
BioAG Ful-Humix (Humic Acid)

Humic acid 55% concentrate

Soil health improvement, nutrient uptake enhancement, microbial activity support

$25-40 per lb

Found at:
Fertilizer Community Gold
Lesco / Anderson's Professional 24-0-6

24-0-6 (slow-release nitrogen + potassium)

Spring and fall fertilization for cool-season lawns. Slow-release nitrogen with light potassium.

$30-50 per 50 lb bag

Found at:
Fertilizer
Milorganite (6-4-0 Organic Fertilizer)

6-4-0 biosolids-based organic fertilizer

Slow-release organic fertilization with iron for dark green color. Popular in warm-season lawn communities.

$12-18 per 32 lb bag

Found at:
Fertilizer Community Gold
Scotts Turf Builder Starter Food (24-25-4)

24-25-4 (high phosphorus starter fertilizer)

New seeding and overseeding — high phosphorus for root establishment

$20-30 per bag

Found at:

Affiliate disclosure: we may earn from qualifying purchases.