Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Las Cruces you can figure out when it's possible to plant diascia by using the USDA zone info.

Planting Calendar for Diascia

Frost tolerance for diascia:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Diascia do well in mild cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant diascia in Las Cruces is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant diascia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your diascia may not have a chance to fully mature. Starting your diascia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Las Cruces. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Las Cruces is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Las Cruces there is a last frost after March 15 so make sure that you are prepared to cover your diascia in the event of one of those late frosts.

USDA Zone Info for Las Cruces

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Las Cruces

You may be interested in your other planting guides for Las Cruces.