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 possible to plant blue throatwort in Millbrook by using the USDA zone info.

Planting Calendar for Blue Throatwort

Frost tolerance for blue throatwort:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Blue Throatwort require warm weather which tells us that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant blue throatwort in Millbrook 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 blue throatwort and expect a good harvest is probably August. Any later than that and your blue throatwort may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your blue throatwort indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Millbrook. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Millbrook may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Millbrook you get surprised by a frost after March 15 be ready to cover your blue throatwort in the event of a surprise late frost.

USDA Zone Info for Millbrook

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Millbrook

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