When to Plant Bower Vine in Ironwood, MI

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's a good idea to plant bower vine in Ironwood 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.

Since bower vine do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

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 Ironwood 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. Any later than that and your bower vine may not have a chance to really do well. If you are starting your bower vine indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Ironwood. You can expect an average low temperature of -30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Ironwood is an average and the actual date of last frost changes from year to year. Half of the time in Ironwood you get a frost after May 15 so always be ready to protect your bower vine if you have one of those late frosts.

USDA Zone Info for Ironwood

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Ironwood

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