One of the first steps you take when you are making a decision about 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.

You will be able to estimate when it's the best time to plant bidens by using the USDA zone info for La Plata.

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 you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant bidens in La Plata 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. If you are starting your bidens indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Remember that USDA zone info for La Plata is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in La Plata there is a last frost after April 15 be ready to protect your bidens if you have a late frost.

USDA Zone Info for La Plata

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 La Plata

You may be interested in your other planting guides for La Plata.