When to Plant Napa Valley Fern in Rice Lake, WI

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant napa valley fern in Rice Lake should be determined by referring to 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 do not do well in cold weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant napa valley fern
Possibly ok, but a risky time to plant napa valley fern
Probably not a good time to plant napa valley fern

The earliest that you can plant napa valley fern in Rice Lake is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your napa valley fern may not have a chance to really do well. If you are starting your napa valley fern indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Rice Lake. In the coldest months of winter you can expect an average low temperature of -30°F.

Just be sure to remember that USDA zone info for Rice Lake may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Rice Lake you get a frost after May 15 so be sure to be ready to protect your napa valley fern in the event of one of those late frosts.

USDA Zone Info for Rice Lake

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Rice Lake

You may be interested in your other planting guides for Rice Lake.