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 mecardonia in Rockingham can be determined 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.

It's probably not a good idea to plant mecardonia until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant mecardonia in Rockingham 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 really do well. You can get started a few weeks earlier by starting your mecardonia indoors.

Last Frost Date

In Rockingham the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Rockingham is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Rockingham you get a frost after March 15 be ready to cover your mecardonia in the event of a surprise late frost.

USDA Zone Info for Rockingham

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 Rockingham

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