One of the first steps you take when you are determining 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 should be able to figure out when it's the best time to plant monkey flower by referring to the USDA zone info for Rosemount.

Planting Calendar for Monkey Flower

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

Monkey Flower require warm weather which tells us that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant monkey flower in Rosemount is May. However, you really should wait until June 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 grow to maturity. If you are starting your monkey flower indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Rosemount. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Rosemount is not always accurate the actual date of last frost changes from year to year. Half of the time in Rosemount there is a last frost after May 15 so be sure to be ready to protect your monkey flower if you have a surprise late frost.

USDA Zone Info for Rosemount

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Rosemount

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