The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Spanish Fort you can determine when to plant rock cress 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 do well in cold which means that you can plant them much earlier than other frost tender plants.

The earliest that you can plant rock cress in Spanish Fort 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 fully mature. Starting your rock cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Spanish Fort is just an average and the actual date of last frost is different every year. Half of the time in Spanish Fort you get surprised by a frost after March 15 so be sure to be ready to cover your rock cress in the event of a late frost.

USDA Zone Info for Spanish Fort

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Spanish Fort

You may be interested in your other planting guides for Spanish Fort.