Free browser-based calculators, planners, and reference guides for home gardeners. No signup. No ads. No downloads.
How many plants fit in your bed with grid or offset layout.
When to start seeds indoors and transplant for 20+ crops.
Cubic feet and bags needed for raised beds and containers.
Gallons per week based on plants, area, and weather.
Square foot gardening layout for any bed size.
NPK amounts by area, fertilizer type, and rate.
Expected harvest window for 25+ vegetables.
Good and bad neighbors for 20+ garden crops.
First and last frost dates by USDA zone.
Bin volume, brown-green ratio, and timeline.
Timing, supplies, lighting, hardening off, and transplanting for beginners.
Read →Which plants help each other and which to keep apart.
Read →Brown-green ratios, troubleshooting, and when compost is ready.
Read →Materials, dimensions, soil mix, and a first-year planting plan.
Read →Every tool on this site runs entirely in your browser. There are no accounts, no tracking, no ads, and no data sent to any server. Your garden plans stay on your device.
We built these tools because we got tired of Googling the same spacing charts, frost dates, and soil volumes every season. Now it is all in one place — fast, free, and designed to work on your phone while you are standing in the garden with dirt on your hands.