When to Plant Napa Valley Fern in Rexburg, ID

Before planting it is a good idea to find your USDA Zone info to determine 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 Rexburg should be figured out by reviewing 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.

You can not plant napa valley fern until after the last frost when the weather gets warmer because they require warm weather.

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 Rexburg 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. 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. You can get started a couple of weeks earlier by starting your napa valley fern indoors.

Last Frost Date

In Rexburg the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

Just be sure to remember that USDA zone info for Rexburg is an average and the actual date of last frost changes from year to year. Since half of the time in Rexburg you get a frost after April 15 be ready to protect your napa valley fern in the event of a surprise late frost.

USDA Zone Info for Rexburg

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rexburg

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