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.

A way of determining when it's the best time to plant nolana is to refer to the USDA zone info for Harlingen.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Nolana do not do well in cold weather which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant nolana in Harlingen 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 nolana and expect a good harvest is probably September. If you wait any later than that and your nolana may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your nolana indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Harlingen. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Harlingen is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Harlingen you get surprised by a frost after February 15 be ready to protect your nolana in the event of a late frost.

USDA Zone Info for Harlingen

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Harlingen

You may be interested in your other planting guides for Harlingen.