All Tools
Four tiers — timing tools keyed to your frost dates, bed-layout planners, materials calculators, and reference databases for crop relationships.
Tools that tell you when to plant — built around your local frost dates.
Plan exactly when to re-sow crops for continuous harvest all season long.
See start-indoors, transplant, and direct-sow dates for your specific location.
Calculate when to start seeds indoors based on your last frost date.
See exactly what to plant, start indoors, or harvest right now for your ZIP code.
Look up your last spring frost, first fall frost, and USDA hardiness zone.
Tools that help you design and lay out your garden beds.
Plan your square-foot garden with optimal plants-per-square from the crop database.
Design your garden bed visually with spacing, companion warnings, and printable plans.
Calculators for soil volume, amendments, mulch, fertilizer, and other materials.
Calculate how many plants fit in your garden area using in-row and between-row spacing.
Calculate how much soil you need for raised beds in cubic feet, yards, and bags.
Calculate quantities of each component to blend your target soil mix.
Calculate how much mulch you need by area and desired depth.
Balance your compost pile's carbon-to-nitrogen ratio for faster breakdown.
Calculate how much fertilizer to apply based on area, target rate, and product NPK.
Reference tools and databases for crop relationships and planning.
Check which plants grow well together and which combinations to avoid.
Plan crop rotation across beds and seasons to reduce disease and improve soil.
Per-crop growing guides drawn from the verified crop database.