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

A way of estimating when it's possible to plant bower vine is to examine the USDA zone info for Joshua.

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 the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant bower vine in Joshua 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 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

The average date of last frost is March 15 in Joshua. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Joshua is not always accurate the actual date of last frost changes from year to year. Half of the time in Joshua last frost occurs after March 15 so just be sure to be ready to protect your bower vine if you have a late frost.

USDA Zone Info for Joshua

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Joshua

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