One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant creeping zinnia in Las Vegas should be determined by using the USDA zone info.

Planting Calendar for Creeping Zinnia

Frost tolerance for creeping zinnia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Creeping Zinnia do well in some cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant creeping zinnia in Las Vegas 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 creeping zinnia and expect a good harvest is probably August. Any later than that and your creeping zinnia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your creeping zinnia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Las Vegas. In the coldest months of winter you can expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Las Vegas is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Las Vegas you get a frost after April 15 so just be sure to be ready to protect your creeping zinnia if you have a late frost.

USDA Zone Info for Las Vegas

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Las Vegas

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