One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when you can plant bidens is to consult the USDA zone info for Madison Heights.

Planting Calendar for Bidens

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

Since bidens are not cold tolerant you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant bidens in Madison Heights 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 really do well. You can get started a few weeks earlier by starting your bidens indoors.

Last Frost Date

The average date of last frost is April 15 in Madison Heights. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Madison Heights is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Madison Heights you get a frost after April 15 be ready to cover your bidens in the event of a surprise late frost.

USDA Zone Info for Madison Heights

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 Madison Heights

You may be interested in your other planting guides for Madison Heights.