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

You can figure out when it's possible to plant napa valley fern in Roanoke by reviewing 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.

Napa Valley Fern are not cold tolerant which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant napa valley fern in Roanoke 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. Any later than that and your napa valley fern may not have a chance to grow to maturity. You can get started a little bit earlier by starting your napa valley fern indoors.

Last Frost Date

The average date of last frost is April 15 in Roanoke. In the coldest months of winter you can expect an average low temperature of 5°F.

It's important to remember that USDA zone info for Roanoke is not always accurate and the actual date of last frost changes from year to year. Half of the time in Roanoke last frost occurs after April 15 so make sure that you are prepared to protect your napa valley fern in the event of a surprise late frost.

USDA Zone Info for Roanoke

Here is the info for USDA Zone 7b.

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

Plants to Grow in Roanoke

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