When to Plant Onions in Port Neches, TX

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Port Neches should be reffered to in order to determine when it's possible to plant onions.


Planting Calendar for Onions

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

Onions can survive in pretty solid cold which tells us that you can plant them quite a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant onions
Possibly ok, but a risky time to plant onions
Probably not a good time to plant onions

The earliest that you can plant onions 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 onions and expect a good harvest is probably October. If you wait any later than that and your onions may not have a chance to really do well. You can get started a couple of weeks earlier by starting your onions 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.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Port Neches and it changes from year to year. Half of the time in Port Neches it frosts late in the year after February 15 so make sure that you are prepared to cover your onions in the event of 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 Low20°F
Highest Expected Low25°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.