DibbleWhen to plant zinnia in Zone 7
In Zone 7, the last spring frost usually passes around April 10 and the first fall frost arrives around October 29, leaving about 202 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Long season. Great for succession planting and fall crops.
Planting windows for zinnia in Zone 7
| Task | Window |
|---|---|
| Direct sow | Apr 17 to May 1 |
| Estimated harvest | Jun 16 to Aug 25 |
The harvest estimate counts 60 days to maturity, then a picking window of about 70 days. These windows use typical frost dates for Zone 7; Dibble pins them to your exact ZIP code.
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How to grow zinnia
Sow zinnias right after last frost. Cut often, the more you pick, the more they bloom.
Companion plants
Good neighbors for Zinnia:
Zinnia in nearby zones
Keep exploring
Zinnia: the full growing guide · The Zone 7 planting calendar · Every crop and zone
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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.