One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The best time to plant leeks in Las Vegas can be estimated by using the USDA zone info.

Planting Calendar for Leeks

Frost tolerance for leeks:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant leeks a lot earlier in the year because they are very cold tolerant.

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

The last month that you can plant leeks and expect a good harvest is probably October. Any later than that and your leeks may not have a chance to really do well. You can get started a little bit earlier by starting your leeks indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Las Vegas. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Las Vegas and it can change quite a bit from year to year. Half of the time in Las Vegas last frost occurs after February 15 so make sure that you are prepared to protect your leeks in the event of a late frost.

USDA Zone Info for Las Vegas

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Las Vegas

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