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

In South Houston you can determine when it's the best time to plant clover by looking at the USDA zone info.

Planting Calendar for Clover

Frost tolerance for clover:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant clover just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant clover in South Houston 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 clover and expect a good harvest is probably September. Any later than that and your clover may not have a chance to fully mature. Starting your clover indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in South Houston. You should expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that USDA zone info for South Houston is just an average and the actual date of last frost is different every year. Since half of the time in South Houston you get surprised by a frost after February 15 be ready to cover your clover if you have a late frost.

USDA Zone Info for South Houston

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 South Houston

You may be interested in your other planting guides for South Houston.