The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Lawrenceville should be looked at to estimate when it's the best time to plant mustard.

Planting Calendar for Mustard

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

Since mustard are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant mustard in Lawrenceville 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 mustard and expect a good harvest is probably August. Any later than that and your mustard may not have a chance to fully mature. If you are starting your mustard indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Lawrenceville the average date of last frost happens on April 15. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Lawrenceville is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Lawrenceville last frost occurs after April 15 so always be ready to protect your mustard in the event of a late frost.

USDA Zone Info for Lawrenceville

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 Lawrenceville

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