The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Tustin you can estimate when it's a good idea to plant chrysanthemum by referring to the USDA zone info.

Planting Calendar for Chrysanthemum

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

It's a bad idea to plant chrysanthemum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant chrysanthemum in Tustin 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 grow to maturity. You can get started a couple of weeks earlier by starting your chrysanthemum indoors.

Last Frost Date

The average date of last frost is January 31 in Tustin. It might get as low as 30°F during the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Tustin and it can change quite a bit from year to year. Since half of the time in Tustin you get surprised by a frost after January 31 be ready to cover your chrysanthemum in the event of a late frost.

USDA Zone Info for Tustin

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 Tustin

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