When to Plant Napa Valley Fern in Chanhassen, MN

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant napa valley fern in Chanhassen should be determined 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 all chance of frost has passed.

Since napa valley fern require warm weather it is necessary to wait until after the last frost 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 Chanhassen 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. 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

On average the last frost is on May 15 in Chanhassen. You should expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Chanhassen is just an average and the actual date of last frost changes from year to year. Half of the time in Chanhassen you get surprised by a frost after May 15 so always be ready to protect your napa valley fern if you have one of those late frosts.

USDA Zone Info for Chanhassen

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Chanhassen

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