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.

By using the USDA zone info for Evansville it's a good idea to figure out when it's possible to plant bidens.

Planting Calendar for Bidens

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

You really shouldn't plant bidens until after the last frost has passed because they require warm weather.

The earliest that you can plant bidens in Evansville 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 bidens and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bidens may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your bidens indoors.

Last Frost Date

The average date of last frost is April 15 in Evansville. In the coldest months of winter you should expect an average low temperature of -5°F.

Remember that USDA zone info for Evansville is not always accurate and the actual date of last frost is different every year. Half of the time in Evansville last frost occurs after April 15 so make sure that you are prepared to protect your bidens if you have a late frost.

USDA Zone Info for Evansville

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Evansville

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