One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Port Arthur it's a good idea to determine when you can plant bower vine.

Planting Calendar for Bower Vine

Frost tolerance for bower vine:	Not tolerant of frost.
When to plant:	After the last frost.

Since bower vine require warm weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant bower vine in Port Arthur 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

The average date of last frost is February 15 in Port Arthur. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Port Arthur is an average the actual date of last frost changes from year to year. Half of the time in Port Arthur it frosts late in the year after February 15 so always be ready to protect your bower vine if you have a surprise late frost.

USDA Zone Info for Port Arthur

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 Port Arthur

You may be interested in your other planting guides for Port Arthur.