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 USDA zone info for Royersford should be looked at to figure out when it's a good idea to plant mecardonia.

Planting Calendar for Mecardonia

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

You should not plant mecardonia until after the last frost because they are not cold tolerant.

The earliest that you can plant mecardonia in Royersford 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. If you wait any later than that and your mecardonia may not have a chance to fully mature. You can get started a few weeks earlier by starting your mecardonia indoors.

Last Frost Date

The average date of last frost is April 15 in Royersford. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Royersford is an average the actual date of last frost will vary from year to year. Since half of the time in Royersford you get surprised by a frost after April 15 be ready to cover your mecardonia if you have one of those late frosts.

USDA Zone Info for Royersford

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Royersford

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