Before planting it is a good idea to find your USDA Zone info to determine 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.

The first opportunity to plant napa valley fern in Menomonee Falls can be estimated 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 the last frost when the weather gets warmer.

Since napa valley fern require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant napa valley fern in Menomonee Falls 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

On average the last frost is on April 15 in Menomonee Falls. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Menomonee Falls is not always accurate the actual date of last frost changes from year to year. Half of the time in Menomonee Falls it frosts late in the year after April 15 so be sure to be ready to cover your napa valley fern in the event of one of those late frosts.

USDA Zone Info for Menomonee Falls

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Menomonee Falls

You may be interested in your other planting guides for Menomonee Falls.