One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for New Haven you will be able to figure out when you can plant mecardonia.

Planting Calendar for Mecardonia

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

Mecardonia require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

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

Last Frost Date

In New Haven the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for New Haven may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in New Haven there is a last frost after April 15 so make sure that you are prepared to cover your mecardonia if you have a late frost.

USDA Zone Info for New Haven

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in New Haven

You may be interested in your other planting guides for New Haven.