One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Jackson can be read to figure out when to plant bidens.

Planting Calendar for Bidens

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

It's probably not a good idea to plant bidens until after the last frost has passed because they require warm weather.

The earliest that you can plant bidens in Jackson 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. If you wait any later than that and your bidens may not have a chance to fully mature. 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

The average date of last frost is April 15 in Jackson. In the coldest months of winter you can expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Jackson may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Jackson you get surprised by a frost after April 15 so be sure to be ready to protect your bidens if you have a late frost.

USDA Zone Info for Jackson

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Jackson

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