The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 oleander in Weslaco should be estimated by using the USDA zone info.

Planting Calendar for Oleander

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

Since oleander require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oleander 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 oleander and expect a good harvest is probably September. Any later than that and your oleander may not have a chance to fully mature. You can get started a little bit earlier by starting your oleander indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Weslaco. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Weslaco is not always accurate and the actual date of last frost changes from year to year. Half of the time in Weslaco it frosts late in the year after February 15 so make sure that you are prepared to protect your oleander 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.