When to Plant Chrysanthemum in Millbrae, CA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when you can plant chrysanthemum in Millbrae by checking out the USDA zone info.


Planting Calendar for Chrysanthemum

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

Chrysanthemum do not do well in cold weather which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant chrysanthemum in Millbrae 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 chrysanthemum and expect a good harvest is probably September. If you wait any later than that and your chrysanthemum may not have a chance to really do well. Starting your chrysanthemum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Millbrae. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Millbrae is an average and the actual date of last frost changes from year to year. Half of the time in Millbrae you get surprised by a frost after January 31 so make sure that you are prepared to cover your chrysanthemum in the event of one of those late frosts.

USDA Zone Info for Millbrae

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 Millbrae

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