One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's possible to plant scutellaria is to look at the USDA zone info for Lowell.

Planting Calendar for Scutellaria

Frost tolerance for scutellaria:	Not tolerant of frost.
When to plant:	After the last frost.

Since scutellaria are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant scutellaria in Lowell 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 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. You can get started a little bit earlier by starting your scutellaria indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Lowell. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Lowell and it can change quite a bit from year to year. Since half of the time in Lowell there is a last frost after April 15 be ready to protect your scutellaria if you have one of those late frosts.

USDA Zone Info for Lowell

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Lowell

You may be interested in your other planting guides for Lowell.