Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant mecardonia in Union can be estimated by using the USDA zone info.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since mecardonia require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant mecardonia in Union 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. Any later than that and your mecardonia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your mecardonia indoors.

Last Frost Date

On average the last frost is on March 15 in Union. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Union may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Union last frost occurs after March 15 so always be ready to protect your mecardonia in the event of one of those late frosts.

USDA Zone Info for Union

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Union

You may be interested in your other planting guides for Union.