The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Cedar City you can figure out when it's possible to plant napa valley fern by looking at the USDA zone info.

Planting Calendar for Napa Valley Fern

Frost tolerance for napa valley fern:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant napa valley fern until after the last frost because they require warm weather.

The earliest that you can plant napa valley fern in Cedar City 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 napa valley fern and expect a good harvest is probably August. If you wait any later than that and your napa valley fern may not have a chance to grow to maturity. Starting your napa valley fern indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Cedar City the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Cedar City is just an average and the actual date of last frost is different every year. Since half of the time in Cedar City last frost occurs after April 15 be ready to protect your napa valley fern if you have one of those late frosts.

USDA Zone Info for Cedar City

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Cedar City

You may be interested in your other planting guides for Cedar City.