When can I plant Lettuce in Zone 9a

One of the first steps we take when we are figuring out our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

By looking at the USDA zone info for Zone 9a it's a good idea to determine when it's a good idea to plant lettuce.


Planting Calendar for Lettuce

Frost tolerance for lettuce: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

You can plant lettuce a bit earlier in the year because they are moderately cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lettuce
Possibly ok, but a risky time to plant lettuce
Probably not a good time to plant lettuce

The earliest that you can plant lettuce in Zone 9a is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant lettuce and expect a good harvest is probably October. Any later than that and your lettuce may not have a chance to grow to maturity. If you are starting your lettuce indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zone 9a the average date of last frost happens on February 15. In the coldest months of winter we should expect an average low temperature of 20°F.

Just be sure to remember that USDA zone info for Zone 9a may not be accurate from year to year and our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 9a there is a last frost after February 15 so be sure to be ready to protect your lettuce in the event of a late frost.

USDA Zone Info for Zone 9a

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Zone 9a

You may be interested in our other planting guides for Zone 9a.