When to Plant Doronicum in Zone 2a

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's a good idea to plant doronicum in Zone 2a by using the USDA zone info.


Planting Calendar for Doronicum

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

Doronicum do well in mild cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant doronicum in Zone 2a 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 doronicum and expect a good harvest is probably August. Any later than that and your doronicum may not have a chance to grow to maturity. If you are starting your doronicum 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 2a. In the coldest months of winter you should expect an average low temperature of -50°F.

Since the USDA zone info for Zone 2a is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 2a last frost occurs after May 15 be ready to cover your doronicum if you have a surprise late frost.

USDA Zone Info for Zone 2a

Here is the info for USDA Zone 2a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-50°F
Highest Expected Low-45°F

This means that on a really cold year, the coldest it will get is -50°F. On most years you should be prepared to experience lows near -45°F.

Plants to Grow in Zone 2a

You may be interested in your other planting guides for Zone 2a.