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 trachelium in Mcallen can be determined by using the USDA zone info.

Planting Calendar for Trachelium

Frost tolerance for trachelium:	Not tolerant of frost.
When to plant:	After the last frost.

You should not plant trachelium until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant trachelium in Mcallen 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 trachelium and expect a good harvest is probably September. Any later than that and your trachelium may not have a chance to really do well. Starting your trachelium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Mcallen. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Mcallen and it changes from year to year. Since half of the time in Mcallen there is a last frost after February 15 be ready to cover your trachelium in the event of one of those late frosts.

USDA Zone Info for Mcallen

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 Mcallen

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