The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's possible to plant rock cress in Port Neches by checking out the USDA zone info.

Planting Calendar for Rock Cress

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

Rock Cress do ok in cold weather which means that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant rock cress in Port Neches 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 rock cress and expect a good harvest is probably October. You probably don't want to wait any later than that or else your rock cress may not have a chance to grow to maturity. Starting your rock cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Port Neches. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Port Neches is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Port Neches it frosts late in the year after February 15 so always be ready to cover your rock cress if you have a surprise late frost.

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.