Fernplanner gives you a personalized garden calendar, smart task reminders, harvest tracking, and a growing companion — Fern — who levels up with your garden.
All 13 USDA hardiness zones · Free plan forever · Cancel Pro anytime
"Happy growing!"
From first seed to last harvest — and every task in between.
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Enter your ZIP and see start, transplant, and direct-sow windows for 60+ crops — timed to your actual first and last frost dates.
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Draw your plots, set sun and soil per zone, and get crop compatibility hints. See your whole garden laid out at a glance.
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Fernplanner pulls real-time weather from Open-Meteo and warns you before frost hits — so you can protect what you planted.
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Auto-generated sow, transplant, water, and harvest tasks based on your crops and zone. Never miss a critical window.
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Log every harvest in lbs or count. See your season's total yield and estimated organic market value — know what your garden is worth.
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After each harvest, Fernplanner suggests what to sow next and when — plus crop rotation recommendations to keep your soil healthy.
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Log observations, tag by crop or plot, attach photos, and filter by month. Your full garden story in one timeline.
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Your mascot Fern earns XP with every task, harvest, and journal entry. Level up to unlock new outfits, hats, and a shareable season Report Card.
Enter your ZIP code. We detect your USDA zone and frost dates automatically.
See planting windows, smart tasks, and weather alerts — all calculated for your exact zone.
Log harvests, write in your grow journal, and share your season Report Card with Fern.
Fern grows alongside you. Every task you complete, harvest you log, and journal entry you write earns XP. Level up to unlock hats, outfits, and gear — then share your season Report Card with a single link.
Start growing with FernFree
$0
Forever free
Pro
$7.99/mo
or $79/year — save 18%
Cancel anytime. No hidden fees.
"Finally a garden planner that actually knows when frost hits my backyard. Fern leveling up keeps me logging every harvest — weirdly motivating."
Home grower · Zone 6b, Pennsylvania
Start free. Upgrade when you're ready.