When can I plant Scutellaria in Zone 2b

The USDA Zone info is a great tool for gardeners to help us determine our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The best time to plant scutellaria in Zone 2b can be estimated by referring to the USDA zone info.


Planting Calendar for Scutellaria

Frost tolerance for scutellaria: Not tolerant of frost.
When you should plant them: After the last frost has passed.

You should not plant scutellaria until after the last frost when the weather gets warmer because they are not cold tolerant.

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

The earliest that you can plant scutellaria in Zone 2b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant scutellaria and expect a good harvest is probably August. If you wait any later than that and your scutellaria may not have a chance to really do well. If you are starting your scutellaria indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Zone 2b. We should expect an average low temperature of -45°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 2b is just an average and our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 2b it frosts late in the year after May 15 so make sure that you are prepared to protect your scutellaria if we have one of those late frosts.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-45°F
Highest Expected Low-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in our other planting guides for Zone 2b.