One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when it's a good idea to plant purple rock cress is to use the USDA zone info for Alexander City.

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.

Purple Rock Cress are very cold tolerant which means that you can get them planted much earlier than other plants that might not handle the cold.

The earliest that you can plant purple rock cress in Alexander City 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 really do well. Starting your purple rock cress indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Alexander City. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Alexander City may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Alexander City last frost occurs after March 15 be ready to protect your purple rock cress if you have a late frost.

USDA Zone Info for Alexander City

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 Alexander City

You may be interested in your other planting guides for Alexander City.