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.

The best time to plant napa valley fern in Itasca can be estimated by using the USDA zone info.

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 do not do well in cold weather which means that it's important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant napa valley fern in Itasca 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

On average the last frost is on April 15 in Itasca. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Itasca is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Itasca there is a last frost after April 15 so just be sure to be ready to cover your napa valley fern if you have one of those late frosts.

USDA Zone Info for Itasca

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 Itasca

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