When can I plant Scutellaria in Zone 1a

The USDA Zone info is a great tool for gardeners to help us estimate 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.

You can determine when to plant scutellaria in Zone 1a 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 all chance of frost has passed.

It's a bad idea to 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 1a is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant scutellaria and expect a good harvest is probably July. You probably don't want to wait any later than that or else your scutellaria may not have a chance to fully mature. 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 when the weather gets warmer is on June 15 in Zone 1a. We should expect an average low temperature of -60°F in the coldest months of winter.

Since the USDA zone info for Zone 1a is an average our actual date of last frost is different every year. Since half of the time in Zone 1a it frosts late in the year after June 15 be ready to cover your scutellaria if we have a surprise late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.