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 Cedar Rapids you can figure out when to plant geum by looking at the USDA zone info.

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.

You can plant geum slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant geum in Cedar Rapids 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. If you wait any later than that and your geum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your geum indoors.

Last Frost Date

The average date of last frost is April 15 in Cedar Rapids. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Cedar Rapids may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cedar Rapids it frosts late in the year after April 15 be ready to protect your geum if you have a late frost.

USDA Zone Info for Cedar Rapids

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Cedar Rapids

You may be interested in your other planting guides for Cedar Rapids.