One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's the best time to plant stevia by looking at the USDA zone info for Weslaco.

Planting Calendar for Stevia

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

Stevia require warm weather which tells us that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant stevia 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 stevia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your stevia may not have a chance to grow to maturity. If you are starting your stevia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Weslaco and it is different every year. Since half of the time in Weslaco there is a last frost after February 15 be ready to protect your stevia if you have 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.