Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's the best time to plant rock cress in Selmer by looking at the USDA zone info.

Planting Calendar for Rock Cress

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

Rock Cress are very cold tolerant which means that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant rock cress in Selmer 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 rock cress and expect a good harvest is probably September. Any later than that and your rock cress may not have a chance to grow to maturity. You can get started a little bit earlier by starting your rock cress indoors.

Last Frost Date

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

Since the USDA zone info for Selmer is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Selmer you get a frost after April 15 be ready to protect your rock cress if you have a surprise late frost.

USDA Zone Info for Selmer

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 Selmer

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