When can I plant Bower Vine in Zone 1a

One of the first steps we take when we are making a decision about our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The first opportunity to plant bower vine in Zone 1a can be estimated by looking at the USDA zone info.


Planting Calendar for Bower Vine

Frost tolerance for bower vine: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

It's probably a bad idea to plant bower vine until after all chance of frost has passed because they are not cold tolerant.

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 Zone 1a is June. However, you really should wait until July 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 July. Any later than that and your bower vine may not have a chance to grow to maturity. Starting your bower vine indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 1a the average date of last frost happens on June 15. In the coldest months of winter we can expect an average low temperature of -60°F.

Since the USDA zone info for Zone 1a may not be accurate from year to year our actual date of last frost changes from year to year. Half of the time in Zone 1a it frosts late in the year after June 15 so make sure that you are prepared to cover your bower vine in the event of a late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.