In USDA zone 3, the last spring frost usually falls between May 5 and May 31. Plant around Apr 28 to Jun 4. Once established, expect to harvest around Oct 4 to Nov 21.
| Sow or plant outside | Apr 28 to Jun 4 |
|---|---|
| Harvest | Oct 4 to Nov 21 |
| Typical last spring frost | May 5 to May 31 |
| Typical first fall frost | around Sep 15 |
USDA zones measure winter cold, not frost dates, so these are typical dates for the zone. Towns in the same zone can be weeks apart.
Get dates for grapes in your exact town, not just your zone.
Get my dates free →A vine and a trellis turn into baskets of fruit. Read the full grapes growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.