Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant oxalis by looking at the USDA zone info for Boca Raton.

Planting Calendar for Oxalis

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

Since oxalis are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant oxalis in Boca Raton is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant oxalis and expect a good harvest is probably September. If you wait any later than that and your oxalis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your oxalis indoors.

Last Frost Date

The average date of last frost is January 31 in Boca Raton. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for Boca Raton is just an average the actual date of last frost is different every year. Half of the time in Boca Raton you get surprised by a frost after January 31 so make sure that you are ready to cover your oxalis in the event of a late frost.

USDA Zone Info for Boca Raton

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Boca Raton

You may be interested in your other planting guides for Boca Raton.