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.

The best time to plant napa valley fern in Shorewood can be determined by checking out 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.

You really shouldn't plant napa valley fern until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant napa valley fern in Shorewood 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 fully mature. Starting your napa valley fern indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Shorewood the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Shorewood is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Shorewood you get a frost after April 15 be ready to cover your napa valley fern in the event of a late frost.

USDA Zone Info for Shorewood

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 Shorewood

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