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.

The earliest that you can plant garden cress in Casa Grande should be figured out by looking at the USDA zone info.

Planting Calendar for Garden cress

Frost tolerance for garden cress:	Not tolerant of frost.
When to plant:	After the last frost.

Since garden cress require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant garden cress in Casa Grande is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant garden cress and expect a good harvest is probably August. You probably don't want to wait any later than that or else your garden cress may not have a chance to grow to maturity. Starting your garden cress indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Casa Grande. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Casa Grande is not always accurate the actual date of last frost will vary from year to year. Half of the time in Casa Grande you get a frost after April 15 so just be sure to be ready to protect your garden cress in the event of a surprise late frost.

USDA Zone Info for Casa Grande

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 Casa Grande

You may be interested in your other planting guides for Casa Grande.