The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Austin should be used to determine when it's a good idea to plant cleome.

Planting Calendar for Cleome

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

It's probably not a good idea to plant cleome until after the last frost has passed because they require warm weather.

The earliest that you can plant cleome in Austin 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 cleome and expect a good harvest is probably August. If you wait any later than that and your cleome may not have a chance to really do well. You can get started a couple of weeks earlier by starting your cleome indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Austin. You should expect an average low temperature of 15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Austin is an average and the actual date of last frost will vary from year to year. Since half of the time in Austin it frosts late in the year after March 15 be ready to cover your cleome if you have a late frost.

USDA Zone Info for Austin

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Austin

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