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

A common way of estimating when it's a good idea to plant oxalis is to check out the USDA zone info for Odessa.

Planting Calendar for Oxalis

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

You can not plant oxalis until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant oxalis in Odessa is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant oxalis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your oxalis may not have a chance to fully mature. 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 Odessa the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Odessa is an average the actual date of last frost is different every year. Half of the time in Odessa last frost occurs after March 15 so make sure that you are ready to protect your oxalis if you have a surprise late frost.

USDA Zone Info for Odessa

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Odessa

You may be interested in your other planting guides for Odessa.