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.

It's possible to figure out when you can plant four o' clock by checking out the USDA zone info for Escalon.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After the last frost.

Since four o' clock require warm weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant four o' clock in Escalon is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant four o' clock and expect a good harvest is probably September. You probably don't want to wait any later than that or else your four o' clock may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your four o' clock indoors.

Last Frost Date

The average date of last frost is February 15 in Escalon. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Escalon is not always accurate the actual date of last frost is different every year. Since half of the time in Escalon you get a frost after February 15 be ready to cover your four o' clock if you have one of those late frosts.

USDA Zone Info for Escalon

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 Escalon

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