The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Aberdeen you can determine when it's a good idea to plant purple bell vines by reviewing 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 do ok in moderate cold which means that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant purple bell vines in Aberdeen 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 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 fully mature. You can get started a couple of weeks earlier by starting your purple bell vines indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Aberdeen. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Aberdeen is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Aberdeen last frost occurs after May 15 so make sure that you are prepared to protect your purple bell vines if you have a late frost.

USDA Zone Info for Aberdeen

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Aberdeen

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