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.

A way of making a decision about when it's a good idea to plant bidens is to check out the USDA zone info for Maquoketa.

Planting Calendar for Bidens

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

Bidens require warm weather which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant bidens in Maquoketa 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. You can get started a little bit earlier by starting your bidens indoors.

Last Frost Date

The average date of last frost is April 15 in Maquoketa. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Maquoketa is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Maquoketa last frost occurs after April 15 be ready to protect your bidens in the event of one of those late frosts.

USDA Zone Info for Maquoketa

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

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

Plants to Grow in Maquoketa

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