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.

By looking at the USDA zone info for Fort Gibson you will be able to determine when it's the best time to plant bidens.

Planting Calendar for Bidens

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

Since bidens are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant bidens in Fort Gibson 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. Starting your bidens indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Fort Gibson. In the coldest months of winter you can expect an average low temperature of 0°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Fort Gibson and it can change quite a bit from year to year. Half of the time in Fort Gibson there is a last frost after April 15 so make sure that you are ready to cover your bidens in the event of a surprise late frost.

USDA Zone Info for Fort Gibson

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 Fort Gibson

You may be interested in your other planting guides for Fort Gibson.