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.

The earliest that you can plant black eyed susans in Weslaco can be determined by reviewing the USDA zone info.

Planting Calendar for Black Eyed Susans

Frost tolerance for black eyed susans:	Not tolerant of frost.
When to plant:	After the last frost.

Since black eyed susans require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant black eyed susans in Weslaco 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 black eyed susans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your black eyed susans may not have a chance to fully mature. Starting your black eyed susans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Weslaco. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Weslaco is an average and the actual date of last frost is different every year. Half of the time in Weslaco it frosts late in the year after February 15 so be sure to be ready to cover your black eyed susans in the event of a late frost.

USDA Zone Info for Weslaco

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 Weslaco

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