One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant oxalis in Zone 13a can be figured out by reviewing the USDA zone info.

Planting Calendar for Oxalis

Frost tolerance for oxalis:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since oxalis require warm weather you have to wait until after the last frost before you can plant them.

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

Last Frost Date

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

Just be sure to remember that USDA zone info for Zone 13a may not be accurate from year to year and 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 oxalis in the event of 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.