One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's the best time to plant geum is to use the USDA zone info for Cedarburg.

Planting Calendar for Geum

Frost tolerance for geum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Geum can survive in mild cold which means that you can plant them slightly earlier in the year than other plants that might not handle the cold.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Cedarburg. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Cedarburg is just an average the actual date of last frost changes from year to year. Half of the time in Cedarburg it frosts late in the year after April 15 so always be ready to cover your geum if you have one of those late frosts.

USDA Zone Info for Cedarburg

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Cedarburg

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