When to Plant Bower Vine in Powell, WY

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

The first chance to plant bower vine in Powell should be figured out by looking at the USDA zone info.


Planting Calendar for Bower Vine

Frost tolerance for bower vine: Not tolerant of frost.
When to plant: After the last frost has passed.

It's probably not a good idea to plant bower vine until after the last frost because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bower vine
Possibly ok, but a risky time to plant bower vine
Probably not a good time to plant bower vine

The earliest that you can plant bower vine in Powell is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant bower vine and expect a good harvest is probably August. If you wait any later than that and your bower vine may not have a chance to grow to maturity. If you are starting your bower vine indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Powell and it is different every year. Half of the time in Powell there is a last frost after May 15 so make sure that you are ready to protect your bower vine if you have a late frost.

USDA Zone Info for Powell

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 Powell

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