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

By reviewing the USDA zone info for Port Arthur it's possible to estimate when it's possible to plant asparagus.

Planting Calendar for Asparagus

Frost tolerance for asparagus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Asparagus are very cold tolerant which means that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant asparagus in Port Arthur is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably October. You probably don't want to wait any later than that or else your asparagus may not have a chance to really do well. You can get started a few weeks earlier by starting your asparagus indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Port Arthur. It might get as low as 20°F during the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Port Arthur and it is different every year. Since half of the time in Port Arthur you get surprised by a frost after February 15 be ready to cover your asparagus 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.