Observed arrival · 2026-09-27
Plant by Date turns frost dates into planting windows
An independent gardening reference that uses a gardener’s last spring frost date and crop choice to present planting windows, alongside sourced guides grouped by USDA hardiness zones.
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- Home gardeners choosing sowing and transplant dates
- Worth noticing
- The zone index lists USDA bands 3–4 and 7–13 as “Coming soon”; its current planting guides cover zones 5–6.
Field notes
The calendar form requests an average last spring frost date and a crop, while the guide descriptions also call out cues such as soil warmth and the first fall frost. The visible guide list covers six crops in USDA zones 5–6; the zone index labels bands 3–4 and 7–13 as coming soon. The site says guides are dated against their sources and invites visitors to report errors.
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