One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 determining when it's a good idea to plant purple rock cress is to use the USDA zone info for Plant 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.

Since purple rock cress are very cold tolerant you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant purple rock cress in Plant City is January. However, you really should wait until February 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 October. Any later than that and your purple rock cress may not have a chance to really do well. You can get started a couple of weeks earlier by starting your purple rock cress indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Plant City. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Plant City may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Plant City last frost occurs after February 15 so always be ready to cover your purple rock cress if you have a surprise late frost.

USDA Zone Info for Plant City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Plant City

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