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

A common way of getting a good idea when it's possible to plant garden mums is to examine the USDA zone info for Denison.

Planting Calendar for Garden Mums

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

You can plant garden mums a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant garden mums in Denison 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 garden mums and expect a good harvest is probably September. You probably don't want to wait any later than that or else your garden mums may not have a chance to grow to maturity. Starting your garden mums indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Denison. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Denison is just an average the actual date of last frost is different every year. Since half of the time in Denison there is a last frost after April 15 be ready to protect your garden mums in the event of one of those late frosts.

USDA Zone Info for Denison

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Denison

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