Fertilizer Schedule for USDA Zone 8
USDA Zone 8 covers areas with minimum winter temperatures of 10°F to 20°F. The growing season runs from March through November, with fertilizer applications from March through November.
Zone 8 Quick Facts
Temperature Range10°F to 20°F
Average Last FrostMarch 15
Average First FrostNovember 15
Fertilizer SeasonMarch to November
Lawn Fertilizer Schedule for Zone 8
Zone 8 lawns receive their first application in March and their last by November. Cool-season grasses (fescue, bluegrass) and warm-season grasses (bermuda, zoysia) follow different NPK ratios at each application.
| Month | Action | NPK |
|---|---|---|
| March | Spring green-up fertilizer for warm-season grasses | 15N 0P 15K N 15% Nitrogen: leaf and stem growth P 0% Phosphorus: roots and flowers K 15% Potassium: health and disease resistance Learn more about NPK |
| May | Late spring nitrogen application | 20N 0P 5K N 20% Nitrogen: leaf and stem growth P 0% Phosphorus: roots and flowers K 5% Potassium: health and disease resistance Learn more about NPK |
| July | Mid-summer light feeding | 15N 0P 10K N 15% Nitrogen: leaf and stem growth P 0% Phosphorus: roots and flowers K 10% Potassium: health and disease resistance Learn more about NPK |
| September | Fall fertilizer for root development | 5N 10P 15K N 5% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 15% Potassium: health and disease resistance Learn more about NPK |
| November | Winterizer for warm-season grasses | 10N 10P 10K N 10% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 10% Potassium: health and disease resistance Learn more about NPK |
Garden Fertilizer Schedule for Zone 8
With a last frost around March 15 and first frost around November 15, zone 8 gardens have a 9-month window for fertilizer applications.
| Month | Action | NPK |
|---|---|---|
| March | Spring garden preparation | 10N 10P 10K N 10% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 10% Potassium: health and disease resistance Learn more about NPK |
| April | Feed warm-season plantings | 5N 10P 5K N 5% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 5% Potassium: health and disease resistance Learn more about NPK |
| May | Side-dress established crops | 5N 10P 10K N 5% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 10% Potassium: health and disease resistance Learn more about NPK |
| July | Mid-summer feeding | 5N 10P 10K N 5% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 10% Potassium: health and disease resistance Learn more about NPK |
| September | Fall vegetable garden fertilizer | 10N 10P 10K N 10% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 10% Potassium: health and disease resistance Learn more about NPK |
| October | Feed overwintering crops | 5N 5P 5K N 5% Nitrogen: leaf and stem growth P 5% Phosphorus: roots and flowers K 5% Potassium: health and disease resistance Learn more about NPK |
States in Zone 8
11 states contain areas classified as zone 8. Your specific location within a state may fall in a different zone based on elevation and proximity to water.
TexasLouisianaMississippiAlabamaGeorgiaSouth CarolinaNorth CarolinaArkansasOregonWashingtonCalifornia