One of the first steps you take when you are figuring out 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.

It's a good idea to figure out when to plant napa valley fern by using the USDA zone info for Savage.

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.

Napa Valley Fern require warm weather which tells us that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant napa valley fern in Savage 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 grow to maturity. You can get started a couple of weeks earlier by starting your napa valley fern indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Savage. In the coldest months of winter you should expect an average low temperature of -25°F.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Savage and it changes from year to year. Half of the time in Savage you get a frost after May 15 so just be sure to be ready to protect your napa valley fern in the event of one of those late frosts.

USDA Zone Info for Savage

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 Savage

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