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

The first chance to plant garden mums in Ishpeming can be estimated by referring to the USDA zone info.

Planting Calendar for Garden Mums

Frost tolerance for garden mums:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since garden mums do well in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant garden mums in Ishpeming is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably August. If you wait any later than that and your garden mums may not have a chance to grow to maturity. You can get started a little bit earlier by starting your garden mums indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Ishpeming. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Ishpeming is an average the actual date of last frost will vary from year to year. Since half of the time in Ishpeming you get a frost after May 15 be ready to cover your garden mums in the event of a late frost.

USDA Zone Info for Ishpeming

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 Ishpeming

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