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 way of estimating when it's possible to plant napa valley fern is to refer to the USDA zone info for Milltown.

Planting Calendar for Napa Valley Fern

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

It's probably not a good idea to plant napa valley fern until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant napa valley fern in Milltown 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. You can get started a few weeks earlier by starting your napa valley fern indoors.

Last Frost Date

In Milltown the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Milltown may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Milltown it frosts late in the year after April 15 be ready to cover your napa valley fern in the event of one of those late frosts.

USDA Zone Info for Milltown

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Milltown

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