The free plant care library
Everything we make that is free to use, gathered in one place: 36 calculators, diagnosis helpers, comparison charts, printables, quizzes and games. No sign-up, no paywall, nothing to buy. Bookmark this page and dip in whenever a plant question comes up.
🧰 Free tools & calculators
Watering scheduler How often to water, by plant, pot, light and season. Light checker Is your window low, medium or bright light? Fertilizer dilution The exact dose for your watering can. Soil mix calculator The right parts of mix, perlite and bark per plant type. Repot timing & pot size When to size up, and to what diameter. Frost-date sowing calendar A personal sowing plan from your last frost date. Garden bed planner Design a raised bed square by square. Succession planting Repeat-sowing schedule for a steady harvest. Plant spacing calculator How many plants really fit your bed. Raised bed soil calculator Litres, bags and fill mix for any bed size. Herbal tea steep timer Temperature, dose and a live countdown per tea. My plant shelf Track your plants and their watering, one tap at a time. Care card generator A printable care card for any houseplant. All plant tools Every free calculator and helper in one place.
🩺 Diagnose & fix
Plant problem solver Pick the symptom, get likely causes and fixes. Pest & disease index Spot, treat and prevent the common culprits. Plant rescue guides Step-by-step saves for plants in trouble. Plant myths, fact-checked 42 common claims, honestly verdicted. Window light guide What each window direction really gives you.
🔎 Choose & compare
Plant finder Answer a few questions, get plants that fit. Which houseplant suits you? A quiz to match you to a plant. What's your care style? Find out how you actually tend plants. Compare two houseplants Any two plants side by side, no invented scores. Compare garden crops Two crops head to head, from our grow guides. Houseplant difficulty index Every plant ranked easiest to hardest. Pot size chart Pot diameters, volumes and repot jumps. Seed chart Depth, soil temperature and days to sprout, 41 crops. Crop picker What to grow, filtered by your space and effort.
🎮 Learn & play
Harvest Rush Our little browser harvest game. Watch plant quizzes Guess-the-plant video quizzes to play along with. Propagation hub Multiply your plants, method by method. Seed Starting Masterclass A free 10-part course from packet to plot. Garden jobs by month What to do in the garden right now. Botanical Latin decoder What those species names actually mean. Glossary Plant terms explained in plain words. Free printables Care logs, journals and calendars to print.
Found this useful? It is free to link to and share. Browse the full library of plant profiles, or start with where to begin.