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.

The USDA zone info for Virginia Beach should be reviewed to estimate when to plant blue throatwort.

Planting Calendar for Blue Throatwort

Frost tolerance for blue throatwort:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Blue Throatwort require warm weather which means that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant blue throatwort in Virginia Beach 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. If you wait any later than that and your blue throatwort may not have a chance to grow to maturity. If you are starting your blue throatwort 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 March 15 in Virginia Beach. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Virginia Beach is not always accurate the actual date of last frost changes from year to year. Since half of the time in Virginia Beach you get surprised by a frost after March 15 be ready to cover your blue throatwort if you have a surprise late frost.

USDA Zone Info for Virginia Beach

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 Virginia Beach

You may be interested in your other planting guides for Virginia Beach.