Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Cloverdale it's a good idea 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 the last frost has passed.

Napa Valley Fern do not do well in cold weather which tells us that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant napa valley fern in Cloverdale is March. However, you really should wait until April 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 September. 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. Starting your napa valley fern indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Cloverdale. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Cloverdale is just an average and the actual date of last frost is different every year. Half of the time in Cloverdale you get a frost after February 15 so be sure to be ready to cover your napa valley fern if you have a surprise late frost.

USDA Zone Info for Cloverdale

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Cloverdale

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