Fertilizer Guide - Affinity Lawnscapes!

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Table #1 is a General Reference Guide to Fertilizing. Please note that the suggested fertilizer element ratios are only suggestions and depend on the type of fertilizer, local grass, and climate conditions.

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Cool-Season

Grasses

Best Results

Fertilizer & Pre-emergence

15-5-10

Fertilizer & Weed Control

16-5-3

Weed & Pest Control

(If Needed)

Fertilizer

25-8-15

Fertilizer & Pre-emergence

15-5-20

Warm-Season Grasses

Best Results

Pre-Emergence

0-0-9

Fertilizer & Weed Control

15-3-3

Fertilizer

25-6-10

Fertilizer

15-5-15

Fertilizer &

Pre-Emergence

5-12-20

Cool-Season

Grasses

Minimum Results

Fertilizer & Weed Control

20-5-5

Fertilizer & Pest Control

25-5-10

Warm-Season

Grasses

Minimum Results

Fertilizer & Weed Control

25-3-5

Fertilizer

15-5-18

Table #2 lists the suggested times and element ranges for each type of grass listed.

Types of Grass

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Bermuda

Pre-Emergence

Nitrogen (0-5)

Phosphorus(0-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer

Nitrogen(20-30)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer & Pest Control

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer & Pre-Emergence

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Zoysia

Pre-Emergence

Nitrogen (0-5)

Phosphorus(0-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer

Nitrogen(20-30)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer & Pest Control

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer & Pre-Emergence

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Tall Fescue

Fertilizer & Pre-Emergence

Nitrogen (15-30)

Phosphorus(2-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(15-30)

Phosphorus(0-5)

Potassium(2-5)

Fertilizer & Pest Control

Nitrogen(20-30)

Phosphorus(0-6)

Potassium(5-12)

Fertilizer

Nitrogen(18-26)

Phosphorus(0-5)

Potassium(5-20)

Centipede

Pre-Emergence

Nitrogen (0-2)

Phosphorus(0-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(10-20)

Phosphorus(0-5)

Potassium(2-7)

Fertilizer

Nitrogen(10-25)

Phosphorus(0-5)

Potassium(8-18)

Fertilizer & Pest Control

Nitrogen(10-20)

Phosphorus(0-5)

Potassium(8-18)

Fertilizer & Pre-Emergence

Nitrogen(3-10)

Phosphorus(5-13)

Potassium(15-25)

Bahia Grass

Pre-Emergence

Nitrogen (0-5)

Phosphorus(0-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer

Nitrogen(20-30)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer & Pest Control

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

Fertilizer & Pre-Emergence

Nitrogen(10-20)

Phosphorus(0-0)

Potassium(5-10)

St. Augustine

Pre-Emergence

Nitrogen (0-5)

Phosphorus(0-5)

Potassium(3-8)

Fertilizer

Nitrogen(10-20)

Phosphorus(0-5)

Potassium(3-8)

Fertilizer & Pest Control

Nitrogen(20-30)

Phosphorus(0-3)

Potassium(3-5)

Fertilizer & Pest Control

Nitrogen(10-20)

Phosphorus(0-5)

Potassium(5-10)

Fertilizer & Pre-Emergence

Nitrogen(10-20)

Phosphorus(0-5)

Potassium(5-10)

Kentucky Bluegrass

Fertilizer & Pre-Emergence

Nitrogen (15-30)

Phosphorus(2-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(15-30)

Phosphorus(0-5)

Potassium(2-5)

Weed & Pest Control

(If Needed)

Fertilizer & Pest Control

Nitrogen(20-30)

Phosphorus(0-6)

Potassium(5-12)

Fertilizer

Nitrogen(18-26)

Phosphorus(0-5)

Potassium(5-20)

Fescues (other)

Fertilizer & Pre-Emergence

Nitrogen (15-30)

Phosphorus(2-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(15-30)

Phosphorus(0-5)

Potassium(2-5)

Weed & Pest Control

(If Needed)

Fertilizer & Pest Control

Nitrogen(20-30)

Phosphorus(0-6)

Potassium(5-12)

Fertilizer

Nitrogen(18-26)

Phosphorus(0-5)

Potassium(5-20)

Perennial

Ryegrass

Fertilizer & Pre-Emergence

Nitrogen (15-30)

Phosphorus(2-5)

Potassium(5-10)

Fertilizer & Weed Control

Nitrogen(15-30)

Phosphorus(0-5)

Potassium(2-5)

Weed & Pest Control

(If Needed)

Fertilizer & Pest Control

Nitrogen(20-30)

Phosphorus(0-6)

Potassium(5-12)

Fertilizer

Nitrogen(18-26)

Phosphorus(0-5)

Potassium(5-20)