When to Plant Garden Mums in Calimesa, CA

Before planting it is a good idea to find your USDA Zone info to determine 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.

In Calimesa you can estimate when it's possible to plant garden mums by referring to the USDA zone info.


Planting Calendar for Garden Mums

Frost tolerance for garden mums: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant garden mums a bit earlier in the year because they do well in moderate cold.

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

The earliest that you can plant garden mums in Calimesa is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably October. Any later than that and your garden mums may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your garden mums indoors.

Last Frost Date

The average date of last frost is February 15 in Calimesa. In the coldest months of winter you can expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Calimesa may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Calimesa you get a frost after February 15 be ready to protect your garden mums if you have one of those late frosts.

USDA Zone Info for Calimesa

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 Calimesa

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