Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Port Arthur you can determine when to plant nemesia by using the USDA zone info.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant nemesia until after the last frost because they require warm weather.

The earliest that you can plant nemesia 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 nemesia and expect a good harvest is probably September. If you wait any later than that and your nemesia may not have a chance to really do well. Starting your nemesia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Port Arthur the average date of last frost happens on February 15. You can expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Port Arthur is an average and the actual date of last frost is different every year. Since half of the time in Port Arthur there is a last frost after February 15 be ready to protect your nemesia if you have a 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.