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

The first opportunity to plant bidens in Cudahy can be determined by checking out the USDA zone info.

Planting Calendar for Bidens

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

It's not a good idea to plant bidens until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant bidens in Cudahy 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. If you are starting your bidens indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Cudahy. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Cudahy may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Cudahy you get a frost after April 15 be ready to cover your bidens if you have a surprise late frost.

USDA Zone Info for Cudahy

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 Cudahy

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