One of the best tools that you have as gardeners to help us figure out 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.

You should be able to determine when to plant bower vine by using the USDA zone info for Gettysburg.

Planting Calendar for Bower Vine

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

Since bower vine are not cold tolerant it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant bower vine in Gettysburg 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 bower vine and expect a good harvest is probably August. If you wait any later than that and your bower vine may not have a chance to grow to maturity. If you are starting your bower vine indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Gettysburg. You should expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Gettysburg may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Gettysburg you get surprised by a frost after April 15 so just be sure to be ready to cover your bower vine if you have a surprise late frost.

USDA Zone Info for Gettysburg

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Gettysburg

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