Before planting it is a good idea to find your USDA Zone info to determine 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.

You should be able to figure out when to plant evolvulus by looking at the USDA zone info for Lititz.

Planting Calendar for Evolvulus

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

It's a bad idea to plant evolvulus until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant evolvulus in Lititz 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. You can get started a few weeks earlier by starting your evolvulus indoors.

Last Frost Date

On average the last frost is on April 15 in Lititz. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Lititz is just an average the actual date of last frost will vary from year to year. Half of the time in Lititz last frost occurs after April 15 so just be sure to be ready to protect your evolvulus in the event of a surprise late frost.

USDA Zone Info for Lititz

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Lititz

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