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.

By referring to the USDA zone info for Las Vegas it's a good idea to estimate when it's a good idea to plant scabiosa.

Planting Calendar for Scabiosa

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

You can plant scabiosa a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant scabiosa in Las Vegas 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 scabiosa and expect a good harvest is probably September. Any later than that and your scabiosa may not have a chance to really do well. You can get started a few weeks earlier by starting your scabiosa indoors.

Last Frost Date

The average date of last frost is April 15 in Las Vegas. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Las Vegas and it is different every year. Half of the time in Las Vegas you get a frost after April 15 so be sure to be ready to cover your scabiosa in the event of a surprise 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.