The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant evolvulus in Batavia should be determined by reviewing the USDA zone info.

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 has passed because they are not cold tolerant.

The earliest that you can plant evolvulus in Batavia 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 fully mature. If you are starting your evolvulus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Batavia is an average the actual date of last frost will vary from year to year. Half of the time in Batavia last frost occurs after April 15 so make sure that you are prepared to protect your evolvulus if you have a surprise late frost.

USDA Zone Info for Batavia

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Batavia

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