One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. 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 mecardonia in Winthrop Harbor can be estimated by referring to the USDA zone info.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Mecardonia do not do well in cold weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant mecardonia in Winthrop Harbor 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 mecardonia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your mecardonia may not have a chance to really do well. Starting your mecardonia 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 Winthrop Harbor. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Winthrop Harbor is just an average the actual date of last frost will vary from year to year. Half of the time in Winthrop Harbor last frost occurs after April 15 so always be ready to cover your mecardonia if you have a late frost.

USDA Zone Info for Winthrop Harbor

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 Winthrop Harbor

You may be interested in your other planting guides for Winthrop Harbor.