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.

In Rosemount you can estimate when it's the best time to plant achimenes by using the USDA zone info.

Planting Calendar for Achimenes

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

Since achimenes require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant achimenes 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 achimenes and expect a good harvest is probably August. Any later than that and your achimenes may not have a chance to fully mature. Starting your achimenes indoors is a great way to get them started 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 should expect an average low temperature of -25°F.

Since the USDA zone info for Rosemount is an average the actual date of last frost will vary from year to year. Half of the time in Rosemount last frost occurs after May 15 so be sure to be ready to protect your achimenes if you have one of those late frosts.

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.