When can I plant Mustard greens in Zone 6a

The USDA Zone info is a great tool for gardeners to help us determine our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The first chance to plant mustard greens in Zone 6a can be estimated by checking out the USDA zone info.


Planting Calendar for Mustard greens

Frost tolerance for mustard greens: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Since mustard greens are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant mustard greens
Possibly ok, but a risky time to plant mustard greens
Probably not a good time to plant mustard greens

The earliest that you can plant mustard greens in Zone 6a 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 mustard greens and expect a good harvest is probably September. You probably don't want to wait any later than that or else your mustard greens may not have a chance to grow to maturity. Starting your mustard greens indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 6a the average date of last frost happens on April 15. We should expect an average low temperature of -10°F in the coldest months of winter.

Remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 6a and it can change quite a bit from year to year. Since half of the time in Zone 6a last frost occurs after April 15 be ready to protect your mustard greens if we have a surprise late frost.

USDA Zone Info for Zone 6a

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 Zone 6a

You may be interested in our other planting guides for Zone 6a.