One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Clayton you can estimate when to plant mustard greens by looking at the USDA zone info.

Planting Calendar for Mustard greens

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

Mustard greens do well in moderate cold which tells us that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant mustard greens in Clayton 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Clayton. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Clayton is an average the actual date of last frost is different every year. Since half of the time in Clayton there is a last frost after April 15 be ready to cover your mustard greens if you have a surprise late frost.

USDA Zone Info for Clayton

Here is the info for USDA Zone 7b.

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

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Clayton

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