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.

It's possible to figure out when you can plant bidens by referring to the USDA zone info for Monroe.

Planting Calendar for Bidens

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

You really shouldn't plant bidens until after all chance of frost has passed because they require warm weather.

The earliest that you can plant bidens in Monroe 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. Any later than that and 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 March 15 in Monroe. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Monroe is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Monroe there is a last frost after March 15 so just be sure to be ready to cover your bidens if you have one of those late frosts.

USDA Zone Info for Monroe

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Monroe

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