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

By checking out the USDA zone info for Dubuque it's a good idea to figure out when it's the best time to plant monkey flower.

Planting Calendar for Monkey Flower

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

You can not plant monkey flower until after the last frost because they are not cold tolerant.

The earliest that you can plant monkey flower in Dubuque 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 monkey flower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your monkey flower may not have a chance to really do well. Starting your monkey flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Dubuque. You can expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Dubuque is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Dubuque you get a frost after April 15 so be sure to be ready to cover your monkey flower if you have a late frost.

USDA Zone Info for Dubuque

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 Dubuque

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