When to Plant Cleome in San Juan Capistrano, CA

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.

By referring to the USDA zone info for San Juan Capistrano it's possible to figure out 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 all chance of frost has passed.

Cleome require warm weather which means that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant cleome
Possibly ok, but a risky time to plant cleome
Probably not a good time to plant cleome

The earliest that you can plant cleome in San Juan Capistrano 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. Any later than that and your cleome may not have a chance to grow to maturity. If you are starting your cleome indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in San Juan Capistrano. It might get as low as 30°F during the coldest months of winter.

Remember that USDA zone info for San Juan Capistrano is just an average and the actual date of last frost changes from year to year. Half of the time in San Juan Capistrano it frosts late in the year after January 31 so just be sure to be ready to protect your cleome in the event of a late frost.

USDA Zone Info for San Juan Capistrano

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 Low30°F
Highest Expected Low35°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 San Juan Capistrano

You may be interested in your other planting guides for San Juan Capistrano.