When to Plant Cleome in Milpitas, CA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

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


Planting Calendar for Cleome

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

Cleome do not do well in cold weather which means that it's necessary to wait until it warms up after all chance of frost has passed 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 Milpitas 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 fully mature. Starting your cleome indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Milpitas is not always accurate and the actual date of last frost is different every year. Since half of the time in Milpitas you get a frost after February 15 be ready to protect your cleome in the event of a surprise late frost.

USDA Zone Info for Milpitas

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 Low25°F
Highest Expected Low30°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 Milpitas

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