The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Harlingen you will be able to estimate when it's a good idea to plant flowering tobacco.

Planting Calendar for Flowering Tobacco

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

Since flowering tobacco are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant flowering tobacco 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 flowering tobacco and expect a good harvest is probably September. If you wait any later than that and your flowering tobacco may not have a chance to really do well. If you are starting your flowering tobacco indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Harlingen the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Harlingen is just an average the actual date of last frost is different every year. Half of the time in Harlingen there is a last frost after February 15 so just be sure to be ready to protect your flowering tobacco if you have 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.