One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when it's a good idea to plant cleome is to check out the USDA zone info for Glendale.

Planting Calendar for Cleome

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

You really shouldn't plant cleome until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant cleome in Glendale 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. If you wait any later than that and your cleome may not have a chance to really do well. You can get started a little bit earlier by starting your cleome indoors.

Last Frost Date

In Glendale the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Glendale is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Glendale last frost occurs after February 15 so make sure that you are ready to protect your cleome if you have a late frost.

USDA Zone Info for Glendale

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 Glendale

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