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.

By referring to the USDA zone info for Alamo it's a good idea to estimate 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.

Cleome are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant cleome in Alamo 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 cleome and expect a good harvest is probably September. You probably don't want to wait any later than that or else your cleome may not have a chance to fully mature. You can get started a little bit earlier by starting your cleome indoors.

Last Frost Date

The average date of last frost is February 15 in Alamo. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Alamo is an average and the actual date of last frost changes from year to year. Half of the time in Alamo you get surprised by a frost after February 15 so always be ready to protect your cleome in the event of a surprise late frost.

USDA Zone Info for Alamo

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Alamo

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