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.

The first opportunity to plant garden mums in Maryland Heights can be estimated by looking at 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.

You can plant garden mums a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant garden mums in Maryland Heights 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. If you wait any later than that and your garden mums may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your garden mums indoors.

Last Frost Date

The average date of last frost is April 15 in Maryland Heights. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Maryland Heights may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Maryland Heights you get a frost after April 15 so make sure that you are prepared to protect your garden mums if you have a late frost.

USDA Zone Info for Maryland Heights

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 Maryland Heights

You may be interested in your other planting guides for Maryland Heights.