One of the first steps you take when you are determining 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.

In Kingfisher you can figure out when it's the best time to plant bidens by referring to the USDA zone info.

Planting Calendar for Bidens

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

You can not plant bidens until after all chance of frost has passed because they require warm weather.

The earliest that you can plant bidens in Kingfisher 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. You can get started a few weeks earlier by starting your bidens indoors.

Last Frost Date

In Kingfisher the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Kingfisher may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Kingfisher you get surprised by a frost after April 15 be ready to protect your bidens in the event of a surprise late frost.

USDA Zone Info for Kingfisher

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 Kingfisher

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