Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Buffalo Grove you can estimate when to plant geum by reviewing 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.

Geum can survive in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant geum in Buffalo Grove 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. Any later than that and your geum may not have a chance to grow to maturity. You can get started a little bit earlier by starting your geum indoors.

Last Frost Date

The average date of last frost is April 15 in Buffalo Grove. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Buffalo Grove is just an average the actual date of last frost will vary from year to year. Half of the time in Buffalo Grove you get surprised by a frost after April 15 so make sure that you are ready to cover your geum in the event of a late frost.

USDA Zone Info for Buffalo Grove

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 Buffalo Grove

You may be interested in your other planting guides for Buffalo Grove.