Plants by Numbers

Zones / zone 9a /

9a When to plant lettuce in zone 9a

Zone 9a median last spring freeze: Mar 5 · first fall freeze: Nov 26 · harvest in ~45-60 days.

StepZone 9a datesNote
Start seeds indoorsFeb 5 – Feb 196–10 weeks before transplanting
Transplant outsideMar 26after last spring freeze
Direct sow (spring)Feb 5before last spring freeze
Fall plantingOct 8before first fall freeze

How lettuce grow in zone 9a

Direct sow or transplant both work. Half-hardy — tolerates light frost. Harvest runs roughly 45-60 days after planting. These windows come from extension planting tables anchored to zone 9a's median freeze dates — for varieties and local conditions, check with your local extension office.

Next: the full zone 9a calendar · other crops in zone 9a: tomatoes · peppers · cucumbers · zucchini & summer squash · winter squash & pumpkins · snap beans · sweet corn · peas · spinach · 5 more