One of the first steps you take when you are getting a good idea your gardening schedule is find your 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 can determine when it's possible to plant trachelium in Portales by referring to the USDA zone info.

Planting Calendar for Trachelium

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

Since trachelium require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant trachelium in Portales is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant trachelium and expect a good harvest is probably August. Any later than that and your trachelium may not have a chance to fully mature. You can get started a few weeks earlier by starting your trachelium indoors.

Last Frost Date

In Portales the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Portales is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Portales you get surprised by a frost after April 15 be ready to cover your trachelium if you have a surprise late frost.

USDA Zone Info for Portales

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Portales

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