The USDA Zone info is a great tool for gardeners to help us figure out 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 South Pasadena can be looked at to estimate when it's the best time to plant cleome.

Planting Calendar for Cleome

Frost tolerance for cleome:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since cleome do not do well in cold weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant cleome in South Pasadena 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 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 grow to maturity. You can get started a little bit earlier by starting your cleome indoors.

Last Frost Date

The average date of last frost is January 31 in South Pasadena. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for South Pasadena and it will vary from year to year. Half of the time in South Pasadena there is a last frost after January 31 so always be ready to protect your cleome in the event of a late frost.

USDA Zone Info for South Pasadena

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in South Pasadena

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