The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Wabash you can determine when it's the best time to plant bidens by looking at the USDA zone info.

Planting Calendar for Bidens

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

You can not plant bidens until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant bidens in Wabash 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. Starting your bidens indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Wabash. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Wabash is an average the actual date of last frost will vary from year to year. Since half of the time in Wabash there is a last frost after April 15 be ready to cover your bidens in the event of a surprise late frost.

USDA Zone Info for Wabash

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 Wabash

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