One of the first steps you take when you are determining 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.

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

Planting Calendar for Evolvulus

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

It's a bad idea to plant evolvulus until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant evolvulus in Waconia is May. However, you really should wait until June 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 fully mature. You can get started a few weeks earlier by starting your evolvulus indoors.

Last Frost Date

In Waconia the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Waconia is an average the actual date of last frost will vary from year to year. Since half of the time in Waconia there is a last frost after May 15 be ready to cover your evolvulus if you have one of those late frosts.

USDA Zone Info for Waconia

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Waconia

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