When to plant rhubarb in zone 3
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 Jun 10 to Aug 13.
Zone 3 dates for rhubarb
| Sow or plant outside | Apr 28 to Jun 4 |
|---|---|
| Harvest | Jun 10 to Aug 13 |
| 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 rhubarb in your exact town, not just your zone.
Get my dates free →How to grow rhubarb
Tart pie stalks from a tough perennial. Read the full rhubarb growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.