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.

By reviewing the USDA zone info for Circle Pines it's a good idea to figure out when to plant copperleaf.

Planting Calendar for Copperleaf

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

Since copperleaf are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant copperleaf in Circle Pines 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 copperleaf and expect a good harvest is probably August. You probably don't want to wait any later than that or else your copperleaf may not have a chance to grow to maturity. You can get started a little bit earlier by starting your copperleaf indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Circle Pines. In the coldest months of winter you should expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Circle Pines is an average and the actual date of last frost will vary from year to year. Since half of the time in Circle Pines it frosts late in the year after May 15 be ready to protect your copperleaf in the event of a late frost.

USDA Zone Info for Circle Pines

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 Circle Pines

You may be interested in your other planting guides for Circle Pines.