The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when you can plant bower vine is to consult the USDA zone info for Cortez.

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 not a good idea to plant bower vine until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant bower vine in Cortez is April. However, you really should wait until May 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. Starting your bower vine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Cortez. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that USDA zone info for Cortez may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Cortez you get surprised by a frost after April 15 be ready to protect your bower vine in the event of a surprise late frost.

USDA Zone Info for Cortez

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 Cortez

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