All garden tools
Every free planner, calendar, and checklist on ThriveThyme, grouped by job. No account needed.
Every free ThriveThyme garden tool in one place: planting calendars, seed starting, companion planting, crop rotation, winter sowing, harvest log, soil test, and more.
Plan and schedule
- Garden planner: Browse seeds by zone and season and save them to My Garden.
- What to plant now: What you can plant this month in your zone.
- Planting calendars: Spring and fall planting windows for zones 1 to 13.
- Seed-starting calendar: When to start each crop indoors, counted back from last frost.
- Seed starting setup: Check your grow light height, heat mat, and trays, and get a shopping list for indoor seeds.
- Seed order planner: How many seeds to buy for your household, adjusted from your Harvest Log.
- Frost dates: Average first and last frost dates by zone.
- Succession planting: Sow dates for a steady harvest instead of one big glut.
- Companion planting: Check any two crops, with the evidence for each pairing labeled.
- Crop rotation: Track bed history and plant families so crops move each year.
- Sun hours: Crops that fit the hours of sun a bed gets.
- Why no fruit: Heat, cold, and pollen limits when plants flower but do not set fruit.
Fall and winter
- Winter gardening: The off-season tools and guides in one place.
- Winter sowing: Milk-jug sowing windows by zone.
- Overwinter indoors: Which herbs to bring in, leave out, or grow as annuals.
- Microgreens: Sow dates and seed per tray for a harvest date.
- Frost harvest: What to pick before frost and what can stay out.
- Season extension: Row cover, cold frames, and frost night plans.
- Fall cleanup: What to pull now, leave standing, or clear after frost.
- Garden to bed: A fall closeout checklist for the whole garden.
- Harvest storage: How to cure and store each crop.
- Cover crops: What to sow in empty beds and when.
- Garlic: Garlic planting dates and steps by zone.
- Spring bulbs: When to plant tulips, daffodils, and other fall bulbs.
- Fall fruit planting: Bare-root trees, berries, and chill hours.
- Fall tree and shrub planting: Is it too late to plant a shade tree or shrub in your zone, and how much to water until the ground freezes.
- Fall leaves: Shred, mulch, and make leaf mold.
- Winter mulch: When to mulch strawberries, garlic, roses, and perennials, how deep, and how many bags.
- Fall and winter watering: How many gallons a tree needs by trunk size, and when the weather allows watering.
- Wood ash calculator: How much fireplace ash a bed can take, in pounds and buckets, with a skip verdict at pH 7 or higher.
- Lawn fertilizing check: Is it too late to put down late fall nitrogen? A yes or no by grass type, date, and soil temperature.
- Christmas tree care: Daily water and stand size by trunk width, plus the steps that keep a cut tree fresh.
- Spring Branch Forcing Planner: Work backward from a bloom week for forsythia, pussy willow, or flowering quince, with a separate chilling check.
- Overwinter Geraniums Desk: Compare potted growth, dormant bare-root storage, and tip cuttings for annual geraniums.
- Hydrangea Pruning Checker: Check old wood, new wood, and reblooming hydrangea pruning without guessing from a white flower alone.
- Norfolk Island Pine Care Check: Check holiday decorations, room temperature, and watering for a Norfolk Island pine kept indoors.
- Florist Cyclamen Care Desk: A buying checklist and a cool-room watering check for flowering florist cyclamen.
- Living Christmas tree planner: Plan a short indoor visit, garage transitions, and planting preparation for a rooted tree.
- Rain barrel calculator: Gallons your roof sheds per inch of rain, barrels filled, and overflow.
- Houseplant pest ID: Pick a symptom, get the likely pest and the extension treatment.
- Raised beds: Soil, compost, and cardboard to fill a bed or build a no-dig bed this fall.
- Pollinator garden: When to sow wildflower seed, how much, and plants that bloom spring to frost.
Track and test
- Harvest log: Log picks, rate yield, and add up grocery value.
- Variety verdict: Rate each variety and decide what to grow again.
- Seed viability: How long seeds last and how to test old packets.
- Seed saving: Which seeds come true, when they are ready, and how to dry and store them.
- Soil test: Find your state lab and what to test for.
- Back up your garden: Download all your garden data as one file, or restore it in another browser.
Plants and food
- Houseplants: Light and water by your window, not a schedule.
- Forcing bulbs indoors: When to pot paperwhites, amaryllis, and tulips to bloom on a holiday.
- Holiday plant rebloom: When to start long nights so a poinsettia, Christmas cactus, or kalanchoe blooms again.
- Pet-safe plants: Garden plants that are toxic or safe for dogs and cats.
- Plate to Plot: Pick the dishes you cook and see how much to plant.
- Guides: Zone planting guides and how-tos.