One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when it's a good idea to plant oxalis is to examine the USDA zone info for Flower Mound.

Planting Calendar for Oxalis

Frost tolerance for oxalis:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably a bad idea to plant oxalis until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant oxalis in Flower Mound 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. If you wait any later than that and your oxalis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your oxalis indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Flower Mound. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Flower Mound is just an average the actual date of last frost will vary from year to year. Half of the time in Flower Mound there is a last frost after March 15 so just be sure to be ready to cover your oxalis if you have a late frost.

USDA Zone Info for Flower Mound

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 Flower Mound

You may be interested in your other planting guides for Flower Mound.