Plant at the right time, in the right amount — free
Frost dates for your ZIP, planting calendars for your zone, and the everyday garden math — spacing, soil, seeds, rainwater. Every tool runs in your browser. No sign-up, ever.
All tools
Frost Date Lookup
Enter your ZIP — get your last spring frost, first fall frost, and season length.
🗓️Planting Calendar
Pick a crop and zone — get seed-start, transplant, and direct-sow date windows.
🌱Seed Starting Scheduler
Build a printable seed-start schedule counted back from your last frost.
📐Plant Spacing Calculator
Bed size + crop → how many plants fit, in rows or a square-foot grid.
🪣Soil & Mulch Calculator
Beds and depth → cubic yards and bags of soil, compost, or mulch to buy.
💧Rain Barrel Calculator
Roof area + rainfall → gallons you can capture, and drip-irrigation runtimes.
🔁Succession Planting Planner
Keep beds full all season with automatic re-sow dates until the fall cutoff.
When to plant — popular crops
What to plant, month by month
Frost dates for your garden
Average last spring and first fall frost for cities in every state, from 1991–2020 climate normals — the two dates the whole season is planned around. Browse frost dates by state →
Coming soon
Garden Layout PlannerSoon
Drag beds onto a plot and auto-fill spacing per crop.
New tools ship regularly
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