One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant purple bell vines in Cedar Falls should be estimated by checking out 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 start planting them slightly earlier than other frost tender plants.

The earliest that you can plant purple bell vines in Cedar Falls 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. Any later than that and 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 Cedar Falls. You should expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Cedar Falls may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cedar Falls there is a last frost after April 15 be ready to cover your purple bell vines in the event of a late frost.

USDA Zone Info for Cedar Falls

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Cedar Falls

You may be interested in your other planting guides for Cedar Falls.