The USDA Zone info is a great tool for gardeners to help us estimate 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.

One way of getting a good idea when it's a good idea to plant cleome is to examine the USDA zone info for Modesto.

Planting Calendar for Cleome

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

Since cleome require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant cleome in Modesto 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 couple of weeks earlier by starting your cleome indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Modesto. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Modesto is not always accurate and the actual date of last frost changes from year to year. Half of the time in Modesto you get a frost after February 15 so make sure that you are prepared to protect your cleome in the event of a late frost.

USDA Zone Info for Modesto

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 Modesto

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