One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Savoy it's possible to estimate when it's possible to plant napa valley fern.

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.

It's a bad idea to plant napa valley fern until after the last frost because they require warm weather.

The earliest that you can plant napa valley fern in Savoy 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. If you wait 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 Savoy the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Savoy and it will vary from year to year. Half of the time in Savoy last frost occurs after April 15 so always be ready to protect your napa valley fern if you have a surprise late frost.

USDA Zone Info for Savoy

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Savoy

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