Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant cleome in Gridley can be estimated by reviewing the USDA zone info.

Planting Calendar for Cleome

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

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

The earliest that you can plant cleome in Gridley 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. Any later than that and your cleome may not have a chance to really do well. Starting your cleome indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Gridley is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Gridley last frost occurs after February 15 so just be sure to be ready to cover your cleome if you have one of those late frosts.

USDA Zone Info for Gridley

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 Gridley

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