One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Watervliet should be looked at to determine when it's a good idea to plant evolvulus.

Planting Calendar for Evolvulus

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

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 Watervliet 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. Starting your evolvulus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Watervliet the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Watervliet is just an average the actual date of last frost will vary from year to year. Since half of the time in Watervliet last frost occurs after April 15 be ready to protect your evolvulus if you have a late frost.

USDA Zone Info for Watervliet

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Watervliet

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