Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant evolvulus is to look at the USDA zone info for Lafayette.

Planting Calendar for Evolvulus

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

You should not 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 Lafayette is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant evolvulus and expect a good harvest is probably September. 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 Lafayette the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

It's important to remember that USDA zone info for Lafayette is an average and the actual date of last frost changes from year to year. Half of the time in Lafayette you get a frost after February 15 so make sure that you are prepared to cover your evolvulus in the event of a late frost.

USDA Zone Info for Lafayette

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

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

Plants to Grow in Lafayette

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