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 first chance to plant mecardonia in Richmond Hill 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 all chance of frost has passed.

It's a bad idea to plant mecardonia until after all chance of frost has passed because they require warm weather.

The earliest that you can plant mecardonia in Richmond Hill 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. If you are starting your mecardonia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Richmond Hill. It might get as low as 15°F during the coldest months of winter.

It's important to remember that USDA zone info for Richmond Hill is just an average and the actual date of last frost will vary from year to year. Since half of the time in Richmond Hill there is a last frost after March 15 be ready to protect your mecardonia if you have a late frost.

USDA Zone Info for Richmond Hill

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Richmond Hill

You may be interested in your other planting guides for Richmond Hill.