The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Steamboat Springs it's possible to estimate when it's a good idea to plant bower vine.

Planting Calendar for Bower Vine

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

You should not plant bower vine until after all chance of frost has passed because they require warm weather.

The earliest that you can plant bower vine in Steamboat Springs 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Steamboat Springs. You should expect an average low temperature of -25°F in the coldest months of winter.

Keep in mind that USDA zone info for Steamboat Springs is an average and the actual date of last frost will vary from year to year. Since half of the time in Steamboat Springs last frost occurs after May 15 be ready to cover your bower vine if you have one of those late frosts.

USDA Zone Info for Steamboat Springs

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 Steamboat Springs

You may be interested in your other planting guides for Steamboat Springs.