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

One way of getting a good idea when to plant garden mums is to look at the USDA zone info for Crystal City.

Planting Calendar for Garden Mums

Frost tolerance for garden mums:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since garden mums are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant garden mums in Crystal City is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably October. You probably don't want to wait any later than that or else your garden mums may not have a chance to fully mature. Starting your garden mums indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Crystal City. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Crystal City is an average the actual date of last frost is different every year. Since half of the time in Crystal City there is a last frost after February 15 be ready to cover your garden mums in the event of a surprise late frost.

USDA Zone Info for Crystal City

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Crystal City

You may be interested in your other planting guides for Crystal City.