The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant evolvulus in Prescott can be figured out by checking out the USDA zone info.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant evolvulus until after the last frost because they do not do well in cold weather.

The earliest that you can plant evolvulus in Prescott 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 evolvulus and expect a good harvest is probably August. Any later than that and your evolvulus may not have a chance to fully mature. If you are starting your evolvulus indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Prescott. It might get as low as 5°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Prescott and it can change quite a bit from year to year. Half of the time in Prescott there is a last frost after April 15 so be sure to be ready to cover your evolvulus in the event of a surprise late frost.

USDA Zone Info for Prescott

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 Prescott

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