Before planting it is a good idea to find your USDA Zone info to estimate 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 Elko you can determine when you can plant zinnia by using the USDA zone info.

Planting Calendar for Zinnia

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

It's probably a bad idea to plant zinnia until after all chance of frost has passed because they require warm weather.

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

Last Frost Date

The average date of last frost is April 15 in Elko. It might get as low as -10°F during the coldest months of winter.

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

USDA Zone Info for Elko

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 Elko

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