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.

The earliest that you can plant chrysanthemum in Red Bluff can be estimated by reviewing the USDA zone info.

Planting Calendar for Chrysanthemum

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

You can not plant chrysanthemum until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant chrysanthemum in Red Bluff 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. 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 little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Red Bluff is an average and the actual date of last frost will vary from year to year. Since half of the time in Red Bluff you get surprised by a frost after February 15 be ready to cover your chrysanthemum in the event of a late frost.

USDA Zone Info for Red Bluff

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 Low	25°F
Highest Expected Low	30°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 Red Bluff

You may be interested in your other planting guides for Red Bluff.