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

It's a good idea to estimate when you can plant purple bell vines by reviewing the USDA zone info for Moscow.

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 very little cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant purple bell vines in Moscow 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. If you wait 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

On average the last frost when the weather gets warmer is on April 15 in Moscow. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Moscow is an average and the actual date of last frost changes from year to year. Half of the time in Moscow it frosts late in the year after April 15 so make sure that you are prepared to cover your purple bell vines if you have one of those late frosts.

USDA Zone Info for Moscow

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 Moscow

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