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When to Plant Purple Bell Vines in Union Grove, WI

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.

By referring to the USDA zone info for Union Grove it's possible to figure out when to plant purple bell vines.


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 tells us that you can get them planted just a bit earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant purple bell vines
Possibly ok, but a risky time to plant purple bell vines
Probably not a good time to plant purple bell vines

The earliest that you can plant purple bell vines in Union Grove 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. If you are starting your purple bell vines indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Union Grove the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Union Grove may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Union Grove it frosts late in the year after April 15 so just be sure to be ready to cover your purple bell vines if you have one of those late frosts.

USDA Zone Info for Union Grove

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Union Grove

You may be interested in your other planting guides for Union Grove.