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

In Wheat Ridge you can figure out when it's possible to plant garden mums by checking out the USDA zone info.

Planting Calendar for Garden Mums

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

Garden Mums do ok in mild cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant garden mums in Wheat Ridge 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

In Wheat Ridge the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Wheat Ridge is just an average the actual date of last frost is different every year. Since half of the time in Wheat Ridge you get surprised by a frost after April 15 be ready to protect your garden mums in the event of a surprise late frost.

USDA Zone Info for Wheat Ridge

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Wheat Ridge

You may be interested in your other planting guides for Wheat Ridge.