The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's the best time to plant purple bell vines by reviewing the USDA zone info for Lawrenceville.

Planting Calendar for Purple Bell Vines

Frost tolerance for purple bell vines:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Purple Bell Vines tend to make it in some cold which means that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant purple bell vines in Lawrenceville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant purple bell vines and expect a good harvest is probably August. You probably don't want to wait any later than that or else your purple bell vines may not have a chance to grow to maturity. Starting your purple bell vines indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Lawrenceville. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Lawrenceville is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Lawrenceville there is a last frost after April 15 be ready to cover your purple bell vines in the event of a surprise late frost.

USDA Zone Info for Lawrenceville

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Lawrenceville

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