The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when you can plant napa valley fern is to examine the USDA zone info for Jennings.

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.

Since napa valley fern are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant napa valley fern in Jennings 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. Any later than that and your napa valley fern may not have a chance to really do well. You can get started a little bit earlier by starting your napa valley fern indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Jennings. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Jennings may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Jennings it frosts late in the year after February 15 so always be ready to protect your napa valley fern if you have one of those late frosts.

USDA Zone Info for Jennings

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Jennings

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