The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant oxalis in Sinton should be figured out by referring to 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.

It's not a good idea to plant oxalis until after all chance of frost has passed because they require warm weather.

The earliest that you can plant oxalis in Sinton is March. However, you really should wait until April 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 fully mature. You can get started a couple of weeks earlier by starting your oxalis indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Sinton. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Sinton is just an average the actual date of last frost changes from year to year. Since half of the time in Sinton you get a frost after February 15 be ready to cover your oxalis in the event of a surprise late frost.

USDA Zone Info for Sinton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Sinton

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