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.

One way of figuring out when it's possible to plant evolvulus is to use the USDA zone info for Irving.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Evolvulus are not cold tolerant which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant evolvulus in Irving 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 grow to maturity. Starting your evolvulus indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Irving the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Remember that USDA zone info for Irving is just an average and the actual date of last frost changes from year to year. Since half of the time in Irving it frosts late in the year after March 15 be ready to protect your evolvulus in the event of one of those late frosts.

USDA Zone Info for Irving

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Irving

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