The USDA Zone info is a great tool for gardeners to help us estimate 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.

It's a good idea to determine when to plant chard by checking out the USDA zone info for Martinsville.

Planting Calendar for Chard

Frost tolerance for chard:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant chard a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant chard in Martinsville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant chard and expect a good harvest is probably September. You probably don't want to wait any later than that or else your chard may not have a chance to fully mature. If you are starting your chard indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Martinsville. In the coldest months of winter you can expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Martinsville is just an average and the actual date of last frost changes from year to year. Half of the time in Martinsville you get surprised by a frost after April 15 so always be ready to cover your chard in the event of a surprise late frost.

USDA Zone Info for Martinsville

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 Martinsville

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