Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Alachua should be read to determine when it's a good idea to plant bidens.

Planting Calendar for Bidens

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

Since bidens do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant bidens in Alachua 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 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

The average date of last frost is March 15 in Alachua. In the coldest months of winter you should expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for Alachua is an average and the actual date of last frost will vary from year to year. Half of the time in Alachua you get surprised by a frost after March 15 so be sure to be ready to protect your bidens if you have one of those late frosts.

USDA Zone Info for Alachua

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Alachua

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