Seasonal Fertilizer Planner
Select your USDA hardiness zone to see a month-by-month fertilizer schedule for your lawn and garden.
Zone Schedule
Your climate zone determines frost dates and fertilizer timing. Find your zone.
Lawn Schedule
| Month | Action | NPK |
|---|---|---|
| May | Apply slow-release nitrogen fertilizer after last frost | 20-5-10 |
| Jul | Light mid-summer application if needed | 10-0-5 |
| Aug | Fall fertilizer application before first frost | 10-10-10 |
Garden Schedule
| Month | Action | NPK |
|---|---|---|
| May | Amend soil with compost before planting | 5-5-5 |
| Jun | Side-dress vegetables with balanced fertilizer | 10-10-10 |
| Jul | Feed fruiting vegetables | 5-10-10 |
How to Use the Seasonal Planner
Select your USDA zone from the dropdown. The planner shows recommended fertilizer applications by month for both lawns and vegetable gardens. Each application includes the suggested NPK ratio.
Not sure which zone you are in? Visit the USDA Plant Hardiness Zone Map or check our zone schedule pages.