One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when to plant purple rock cress is to examine the USDA zone info for Seagoville.

Planting Calendar for Purple Rock Cress

Frost tolerance for purple rock cress:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant purple rock cress quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant purple rock cress in Seagoville 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 purple rock cress and expect a good harvest is probably September. Any later than that and your purple rock cress may not have a chance to fully mature. If you are starting your purple rock cress indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Seagoville. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Seagoville is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Seagoville it frosts late in the year after March 15 be ready to protect your purple rock cress if you have one of those late frosts.

USDA Zone Info for Seagoville

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Seagoville

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