One of the first steps you take when you are getting a good idea your gardening schedule is find your 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 making a decision about when it's the best time to plant chrysanthemums is to examine the USDA zone info for Brea.

Planting Calendar for Chrysanthemums

Frost tolerance for chrysanthemums:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Chrysanthemums do well in mild cold which tells us that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chrysanthemums in Brea 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 chrysanthemums and expect a good harvest is probably September. If you wait any later than that and your chrysanthemums may not have a chance to fully mature. You can get started a few weeks earlier by starting your chrysanthemums indoors.

Last Frost Date

The average date of last frost is January 31 in Brea. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Brea is an average and the actual date of last frost is different every year. Since half of the time in Brea it frosts late in the year after January 31 be ready to protect your chrysanthemums if you have a surprise late frost.

USDA Zone Info for Brea

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 Low	30°F
Highest Expected Low	35°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 Brea

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