One of the best tools that you have as gardeners to help us figure out 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.

You can determine when it's the best time to plant napa valley fern in Martinsburg by using the USDA zone info.

Planting Calendar for Napa Valley Fern

Frost tolerance for napa valley fern:	Not tolerant of frost.
When to plant:	After the last frost.

Napa Valley Fern are not cold tolerant which means that you have 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 Martinsburg 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 really do well. You can get started a little bit earlier by starting your napa valley fern indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Martinsburg. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Martinsburg is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Martinsburg it frosts late in the year after April 15 so make sure that you are ready to cover your napa valley fern in the event of a late frost.

USDA Zone Info for Martinsburg

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 Martinsburg

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