One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Port Isabel it's possible to determine when it's possible to plant transvaal daisy.

Planting Calendar for Transvaal Daisy

Frost tolerance for transvaal daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Transvaal Daisy do well in some cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant transvaal daisy 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 transvaal daisy and expect a good harvest is probably September. If you wait any later than that and your transvaal daisy may not have a chance to fully mature. Starting your transvaal daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Port Isabel. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Port Isabel is an average the actual date of last frost will vary from year to year. Since half of the time in Port Isabel you get a frost after January 31 be ready to cover your transvaal daisy if you have 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.