When can I plant Sweet Peas in Zone 12a

One of the first steps we take when we are determining our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The USDA zone info for Zone 12a should be used to figure out when it's a good idea to plant sweet peas.


Planting Calendar for Sweet Peas

Frost tolerance for sweet peas: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Sweet Peas can survive in some cold which tells us that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant sweet peas in Zone 12a 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 sweet peas and expect a good harvest is probably November. If you wait any later than that and your sweet peas may not have a chance to really do well. If you are starting your sweet peas indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 12a it never frosts. We should expect an average low temperature of 50°F in the coldest months of winter.

Since the USDA zone info for Zone 12a is just an average our actual date of last frost changes from year to year. Since it never frosts in Zone 12a you do not have to be ready to cover your sweet peas in the event of a surprise late frost.

USDA Zone Info for Zone 12a

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low50°F
Highest Expected Low55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Zone 12a

You may be interested in our other planting guides for Zone 12a.