Why these dates work in zone 8b
Zone 8b's last spring frost averages Mar 15 and first fall frost Nov 15 — about 245 frost-free days. Mustard Greens tolerates light frost, so you can sow ahead of the last-frost date and keep harvesting into the cooler fall. There's also room for a fall succession sowing around Oct 4 for a second harvest before frost.
Common questions
How long does mustard greens take to grow in zone 8b?
Mustard Greens matures in about 25–40 days from sowing. In zone 8b that means sowing around Feb 15 and first picking around Mar 12.
Will mustard greens survive frost in zone 8b?
Yes — mustard greens tolerates light frost. In zone 8b you can sow a little before the last frost (around Mar 15) and keep harvesting past the first fall frost (around Nov 15).
Can I plant a second crop of mustard greens in zone 8b?
Yes — in zone 8b there's time for a fall sowing around Oct 4 for a second harvest before frost.
For soil, spacing, pests and companion planting, see the full mustard greens growing guide →
