Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Marion you can estimate when it's the best time to plant purple bell vines by referring to the USDA zone info.

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 can survive in mild cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant purple bell vines in Marion 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 really do well. You can get started a couple of weeks earlier by starting your purple bell vines indoors.

Last Frost Date

The average date of last frost is April 15 in Marion. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Marion may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Marion you get a frost after April 15 so be sure to be ready to cover your purple bell vines in the event of one of those late frosts.

USDA Zone Info for Marion

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 Marion

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