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.

By reviewing the USDA zone info for Port Isabel you will be able to estimate when it's a good idea to plant nemesia.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's not a good idea to plant nemesia until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant nemesia in Port Isabel is February. However, you really should wait until March 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. You probably don't want to wait any later than that or else your nemesia may not have a chance to grow to maturity. Starting your nemesia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Port Isabel. It might get as low as 30°F during the coldest months of winter.

Remember that USDA zone info for Port Isabel is just an average and the actual date of last frost changes from year to year. Since half of the time in Port Isabel it frosts late in the year after January 31 be ready to cover your nemesia in the event of a surprise late frost.

USDA Zone Info for Port Isabel

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Port Isabel

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