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

You can figure out when you can plant bittercress in Zone 13a by referring to the USDA zone info.

Planting Calendar for Bittercress

Frost tolerance for bittercress:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since bittercress are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant bittercress in Zone 13a 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 bittercress and expect a good harvest is probably November. If you wait any later than that and your bittercress may not have a chance to really do well. You can get started a few weeks earlier by starting your bittercress indoors.

Last Frost Date

In Zone 13a it never frosts. It might get as low as 60°F during the coldest months of winter.

Since the USDA zone info for Zone 13a is an average the actual date of last frost can change quite a bit from year to year. Since it never frosts in Zone 13a you do not have to be ready to cover your bittercress if you have one of those late frosts.

USDA Zone Info for Zone 13a

Here is the info for USDA Zone 13a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	60°F
Highest Expected Low	65°F

This means that on a really cold year, the coldest it will get is 60°F. On most years you should be prepared to experience lows near 65°F.

Plants to Grow in Zone 13a

You may be interested in your other planting guides for Zone 13a.