One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 Grafton can be estimated by reviewing the USDA zone info.

Planting Calendar for Mecardonia

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

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

The earliest that you can plant mecardonia in Grafton 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. You probably don't want to wait any later than that or else your mecardonia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your mecardonia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Grafton. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Grafton and it changes from year to year. Half of the time in Grafton last frost occurs after April 15 so make sure that you are prepared to cover your mecardonia in the event of a surprise late frost.

USDA Zone Info for Grafton

Here is the info for USDA Zone 5b.

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

Plants to Grow in Grafton

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