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Free, practical tools for planning and maintaining your garden — no account needed.
Personalized, organic-first fertilizer recommendations for any plant, size, and growing method.
Open Tool →A personalized planting timeline by ZIP code — for 185 plants, not just vegetables.
Open Tool →Look up your exact zone by ZIP code to get accurate planting and frost-date guidance.
Open Tool →How much soil to buy for a raised bed, container, or Square Foot Garden — with a real mix ratio.
Open Tool →How much mulch you need by area and depth, using our guide’s own depth recommendations.
Open Tool →Get the right browns-to-greens ratio for a bin or pile of any size.
Open Tool →See exactly how many plants fit in your bed with a visual grid.
Open Tool →How much harvest to expect from your plants — plan a garden sized to your household.
Open Tool →Answer a few questions about what’s wrong with a plant to find the likely culprit.
Open Tool →Check whether two plants make good neighbors — or should be kept apart.
Open Tool →How many rounds of fast crops like lettuce and radishes fit in your season.
Open Tool →See how much money a home-grown harvest saves compared to store prices.
Open Tool →A concrete watering plan for your plant, container size, and climate.
Open Tool →Find the right home hydroponic system for your space, budget, and time.
Open Tool →Check nutrient strength and pH against targets for your crop, and convert EC to ppm.
Open Tool →Exact amounts of each nutrient part for your reservoir size and strength.
Open Tool →Turn your grow light's intensity and hours into a DLI and check it against your crop.
Open Tool →