Real answers for real garden tasks
Set your conditions, get the numbers and the next step — 354 tools across 12 categories.
Every number sourced from university extension data — or labeled as our estimate.
GardenSays
Water deeply 2× per week, about 1.6 gallons per plant each time.
- Per week
- 1.3 in ≈ 3.1 gal
- Frequency
- 2×/week
- Per session
- ≈ 1.6 gal
Your in-ground tomato needs roughly 1.3 inches of water this week — that's about 3.1 gallons per plant. Split it into 2 deep waterings of ~1.6 gallons rather than daily sprinkles.
Full breakdown, why & sources →Your area at a glance
- USDA zone
- 5a
- Last spring frost
- May 5
- First fall frost
- Oct 5
Typical dates from NOAA climate normals — plan with them, verify against your local forecast. Plan your planting →
Garden tools
354 tools, growing weeklyWatering
How often and how much to water — by plant, setting, weather, and growth stage.
All 33 watering tools →Planting Dates
When to start seeds and transplant outside, computed from your frost dates — by city or USDA zone.
All 81 planting dates tools →Fertilizer
What to feed, how much, and when — stage-driven feeding programs, conventional or organic.
All 32 fertilizer tools →Soil, Mulch & Compost
Volume math for beds and gardens: cubic feet, cubic yards, and how many bags to buy.
All 6 soil, mulch & compost tools →Plant Spacing
How far apart to plant, and how many plants actually fit your bed.
All 50 plant spacing tools →Companion Planting
What grows well with what — pairing checks with honest evidence levels, not folklore.
All 44 companion planting tools →Frost Dates & Risk
Your average last and first frost, how long frost risk really lasts, and what's safe to plant when — from NOAA climate normals.
All 3 frost dates & risk tools →Sunlight
How much sun each crop really needs, what counts as full sun, and what still grows in shade — extension-sourced thresholds.
All 6 sunlight tools →Harvest Timing
When your crops are actually ready — readiness signs first, estimated date windows second, storage after.
All 35 harvest timing tools →Garden Costs
What your garden actually costs — computed quantities, your local prices, first-year and per-year totals.
All 3 garden costs tools →Data you can trust
Base figures come from university extension services and NOAA — every derived number is labeled as our estimate.
Calculations are code
Deterministic math and decision rules, shown step by step on every page. Nothing is AI-generated on the fly.
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