One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Highlands it's possible to estimate when it's possible to plant evolvulus.

Planting Calendar for Evolvulus

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

It's probably a bad idea to plant evolvulus until after all chance of frost has passed because they require warm weather.

The earliest that you can plant evolvulus in Highlands 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. You probably don't want to wait any later than that or else your evolvulus may not have a chance to really do well. You can get started a little bit earlier by starting your evolvulus indoors.

Last Frost Date

The average date of last frost is April 15 in Highlands. It might get as low as 0°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Highlands and it is different every year. Half of the time in Highlands last frost occurs after April 15 so make sure that you are prepared to protect your evolvulus in the event of a surprise late frost.

USDA Zone Info for Highlands

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Highlands

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