In USDA zone 5, the last spring frost usually falls between Apr 10 and May 10. Sow or plant Swiss chard around Mar 30 to May 24. Expect to harvest around Jun 5 to Nov 4.
| Sow or plant outside | Mar 30 to May 24 |
|---|---|
| Harvest | Jun 5 to Nov 4 |
| Typical last spring frost | Apr 10 to May 10 |
| Typical first fall frost | around Oct 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 Swiss chard in your exact town, not just your zone.
Get my dates free →Colorful, cut-and-come-again all season. Read the full Swiss chard growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.