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 referring to the USDA zone info for Draper you will be able to figure out 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 do not do well in cold weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant bidens in Draper 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 grow to maturity. Starting your bidens indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Draper. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Draper is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Draper it frosts late in the year after April 15 so be sure to be ready to cover your bidens if you have one of those late frosts.

USDA Zone Info for Draper

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 Draper

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