When to Plant Chrysanthemum in Clayton, CA

One of the first steps you take when you are figuring out your gardening schedule is find your 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 using the USDA zone info for Clayton it's a good idea to estimate when it's a good idea to plant chrysanthemum.


Planting Calendar for Chrysanthemum

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

Since chrysanthemum are not cold tolerant it's important to wait until after the last frost when the weather gets warmer 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 Clayton 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 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 grow to maturity. Starting your chrysanthemum indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Clayton. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Clayton is not always accurate the actual date of last frost changes from year to year. Half of the time in Clayton there is a last frost after February 15 so make sure that you are prepared to protect your chrysanthemum if you have one of those late frosts.

USDA Zone Info for Clayton

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 Clayton

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