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

In Commerce City you can estimate when it's a good idea to plant chrysanthemum by checking out the USDA zone info.

Planting Calendar for Chrysanthemum

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

You really shouldn't plant chrysanthemum until after the last frost because they are not cold tolerant.

The earliest that you can plant chrysanthemum in Commerce City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant chrysanthemum and expect a good harvest is probably August. You probably don't want to wait any later than that or else 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 April 15 in Commerce City. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Commerce City may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Commerce City there is a last frost after April 15 be ready to cover your chrysanthemum in the event of a late frost.

USDA Zone Info for Commerce City

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Commerce City

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