When to Plant Napa Valley Fern in Indiana, PA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when you can plant napa valley fern is to look at the USDA zone info for Indiana.


Planting Calendar for Napa Valley Fern

Frost tolerance for napa valley fern: Not tolerant of frost.
When to plant: After the last frost has passed.

Since napa valley fern do not do well in cold weather it is important to wait until after the last frost has passed 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 Indiana 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 really do well. Starting your napa valley fern indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Indiana the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Indiana is just an average and the actual date of last frost will vary from year to year. Half of the time in Indiana last frost occurs after April 15 so make sure that you are prepared to protect your napa valley fern in the event of a late frost.

USDA Zone Info for Indiana

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Indiana

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