One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Port Neches you can estimate when to plant alternaria by using the USDA zone info.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant alternaria until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant alternaria in Port Neches 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 alternaria and expect a good harvest is probably September. Any later than that and your alternaria may not have a chance to grow to maturity. You can get started a little bit earlier by starting your alternaria indoors.

Last Frost Date

The average date of last frost is February 15 in Port Neches. In the coldest months of winter you can expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Port Neches is an average and the actual date of last frost will vary from year to year. Since half of the time in Port Neches there is a last frost after February 15 be ready to cover your alternaria if you have one of those late frosts.

USDA Zone Info for Port Neches

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 Neches

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