One of the first steps you take when you are figuring out 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.

You should be able to determine when to plant bidens by looking at the USDA zone info for Red Bank.

Planting Calendar for Bidens

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

It's probably a bad idea to plant bidens until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant bidens in Red Bank 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 few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Red Bank. In the coldest months of winter you should expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Red Bank is an average and the actual date of last frost is different every year. Half of the time in Red Bank you get surprised by a frost after April 15 so be sure to be ready to protect your bidens in the event of a surprise late frost.

USDA Zone Info for Red Bank

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Red Bank

You may be interested in your other planting guides for Red Bank.