The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant shallots in Maryland Heights can be figured out by reviewing the USDA zone info.

Planting Calendar for Shallots

Frost tolerance for shallots:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Shallots do well in very little cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant shallots in Maryland Heights is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant shallots and expect a good harvest is probably August. You probably don't want to wait any later than that or else your shallots may not have a chance to grow to maturity. Starting your shallots 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 Maryland Heights. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Maryland Heights is not always accurate 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 always be ready to cover your shallots in the event of one of those late frosts.

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.