Synthetic - Lawn Fertilizers - The Home Depot

Question 1

What are the benefits of using fertilizer formulas like "Bone Meal" or "Fish Emulsion" on my lawn?

Accepted Answer

Both bone meal and fish emulsion are organic fertilizers with unique benefits compared to standard synthetic formulas. Bone meal is rich in phosphorus and calcium, promoting strong root development and overall plant stability, while improving soil structure and microbial activity. This specialty blend works well in cool season grasses during establishment phases, including new lawns, overseeding, and areas that demand root growth. Fish emulsion is rich in nitrogen with trace minerals and organic matter, providing a quick green-up while still being gentle on plants. This unique formula enhances soil biology and microbial life while adding micronutrients missing in synthetic fertilizers, working as a foliar spray or soil drench for fast absorption during mid-season feedings.

Question 2

What do the N-P-K numbers on fertilizer bags mean?

Accepted Answer

The N-P-K numbers represent the percentage of the three essential nutrients in the fertilizer: Nitrogen (N), Phosphorus (P), and Potassium (K). The ideal ratio for healthy plant growth depends on your lawn's unique needs and the time of year. Nitrogen promotes leafy green growth and overall plant vigor, phosphorus boosts root development and flower and fruit production, and potassium improves disease resistance and overall plant health. Your local garden and lawn expert is here to help you select the blend with the right ratio for your goals.

Question 3

How often should I fertilize my lawn?

Accepted Answer

The right application frequency depends on your type of grass, soil health, and choice of fertilizer. Fertilize cool-season lawns like Kentucky bluegrass, fescue, and ryegrass two to four times a year, in early and late spring and fall. Fertilize warm-season grasses like Bermuda, Zoysia, and St. Augustine three to five times per year, in late spring, mid and late summer, and early fall. Apply slow-release fertilizers once every eight to ten weeks, and quick-release fertilizers once every four to six weeks.

Question 4

When should I use an all-purpose lawn fertilizer versus a fertilizer designed to green my lawn quickly?

Accepted Answer

An all-purpose lawn fertilizer is perfect for general maintenance, giving your lawn a balanced blend of nutrients to support steady growth throughout the season. For a rapid improvement in color, select a quick greening fertilizer specifically formulated to deliver a fast boost of nitrogen. However, expect an all-purpose fertilizer to provide longer-lasting benefits.

Synthetic Lawn Fertilizers

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4 & Up

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Brand

Price

Lawn Fertilizer Use

Season Use

Compatible Grass Type

Fertilizer Weed Control

Delivery Method

Time release

Nitrogen (N)

Organic

Emergent Type

Fertilizer Formula

Package Size (lb.)

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ScottsTurf Builder UltraFeed 40 lbs.​ Covers Up to 17,778 sq.​ ft.​ Long-​Lasting Dry Lawn Fertilizer Feeds Grass Up to 6 Months

ScottsTurf Builder 20 lbs.​ Covers Up to 8,889 sq.​ ft.​ Ultrafeed Dry Lawn Fertilizer for Fast Greening and Extended Feeding

ScottsTurf Builder 32.​3 lbs.​ 12,000 sq.​ ft.​ WinterGuard Fall Dry Lawn Fertilizer for All Grass Types

ScottsTurf Builder 10 lbs.​ 4,000 sq.​ ft.​ WinterGuard Fall Dry Lawn Fertilizer for All Grass Types

ScottsTurf Builder 15 lbs.​ 5,000 sq.​ ft.​ Starter Dry Lawn Fertilizer for New Grass, Use When Planting Seed

ScottsTurf Builder 42 lbs.​ 14,000 sq.​ ft.​ Starter Dry Lawn Fertilizer for New Grass, Use When Planting Seed

ScottsTurf Builder 3 lbs.​ 1,000 sq.​ ft.​ Starter Fertilizer for New Grass, Use When Planting Seed

ScottsTurf Builder 37.​5 lbs.​ 15,000 sq.​ ft.​ Dry Lawn Fertilizer for All Grass Types

Ironite15 lb.​ 5,000 sq.​ ft.​ Dry Lawn and Garden Fertilizer 1-​0-​0

BIOADVANCED20 lbs.​ 3-​in-​1 Weed and Feed for Southern Dry Lawns Fertilizer Plus Insect Killer

ScottsTurf Builder 12.​5 lbs.​ 5,000 sq.​ ft.​ Dry Lawn Fertilizer for All Grass Types

Vigoro14 lbs.​ 5,000 sq.​ ft.​ Lawn Fertilizer for All Grass Types

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ScottsTurf Builder UltraFeed 40 lbs. Covers Up to 17,778 sq. ft. Long-Lasting Dry Lawn Fertilizer Feeds Grass Up to 6 Months

ScottsTurf Builder 20 lbs. Covers Up to 8,889 sq. ft. Ultrafeed Dry Lawn Fertilizer for Fast Greening and Extended Feeding

ScottsTurf Builder 32.3 lbs. 12,000 sq. ft. WinterGuard Fall Dry Lawn Fertilizer for All Grass Types

ScottsTurf Builder 10 lbs. 4,000 sq. ft. WinterGuard Fall Dry Lawn Fertilizer for All Grass Types

ScottsTurf Builder 15 lbs. 5,000 sq. ft. Starter Dry Lawn Fertilizer for New Grass, Use When Planting Seed

ScottsTurf Builder 42 lbs. 14,000 sq. ft. Starter Dry Lawn Fertilizer for New Grass, Use When Planting Seed

ScottsTurf Builder 3 lbs. 1,000 sq. ft. Starter Fertilizer for New Grass, Use When Planting Seed

ScottsTurf Builder 37.5 lbs. 15,000 sq. ft. Dry Lawn Fertilizer for All Grass Types

Ironite15 lb. 5,000 sq. ft. Dry Lawn and Garden Fertilizer 1-0-0

BIOADVANCED20 lbs. 3-in-1 Weed and Feed for Southern Dry Lawns Fertilizer Plus Insect Killer

ScottsTurf Builder 12.5 lbs. 5,000 sq. ft. Dry Lawn Fertilizer for All Grass Types

Vigoro14 lbs. 5,000 sq. ft. Lawn Fertilizer for All Grass Types