Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant evolvulus is to use the USDA zone info for Lake Dallas.

Planting Calendar for Evolvulus

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

Since evolvulus require warm weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant evolvulus in Lake Dallas 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. If you wait any later than that and your evolvulus may not have a chance to really do well. 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 March 15 in Lake Dallas. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Lake Dallas is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Lake Dallas you get surprised by a frost after March 15 so be sure to be ready to cover your evolvulus if you have a late frost.

USDA Zone Info for Lake Dallas

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 Lake Dallas

You may be interested in your other planting guides for Lake Dallas.