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.

The first opportunity to plant bower vine in Shafter can be figured out by reviewing the USDA zone info.

Planting Calendar for Bower Vine

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

It's not a good idea to plant bower vine until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant bower vine in Shafter is March. However, you really should wait until April 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 September. If you wait any later than that and your bower vine may not have a chance to really do well. You can get started a few weeks earlier by starting your bower vine indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Shafter. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Shafter may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Shafter last frost occurs after February 15 so be sure to be ready to protect your bower vine in the event of one of those late frosts.

USDA Zone Info for Shafter

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Shafter

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