When can I plant Geum in Zone 3b

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

You should be able to determine when you can plant geum by reviewing the USDA zone info for Zone 3b.


Planting Calendar for Geum

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

Geum do ok in very little cold which tells us that you can plant them just a tiny bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant geum
Possibly ok, but a risky time to plant geum
Probably not a good time to plant geum

The earliest that you can plant geum in Zone 3b is April. However, you really should wait until May 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 really do well. If you are starting your geum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Zone 3b. We can expect an average low temperature of -35°F in the coldest months of winter.

Since the USDA zone info for Zone 3b is an average our actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 3b we get surprised by a frost after May 15 be ready to protect your geum in the event of one of those late frosts.

USDA Zone Info for Zone 3b

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Zone 3b

You may be interested in our other planting guides for Zone 3b.