The USDA Zone info is a great tool for gardeners to help us determine 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 Winslow you can estimate when it's a good idea to plant purple rock cress by checking out the USDA zone info.

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 Winslow 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 grow to maturity. You can get started a couple of weeks earlier by starting your purple rock cress indoors.

Last Frost Date

The average date of last frost is April 15 in Winslow. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Winslow 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 Winslow you get a frost after April 15 be ready to cover your purple rock cress in the event of a late frost.

USDA Zone Info for Winslow

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Winslow

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