The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant dallas fern in Fairfax can be estimated by checking out the USDA zone info.

Planting Calendar for Dallas Fern

Frost tolerance for dallas fern:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant dallas fern until after all chance of frost has passed because they require warm weather.

The earliest that you can plant dallas fern in Fairfax 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 dallas fern and expect a good harvest is probably September. If you wait any later than that and your dallas fern may not have a chance to grow to maturity. You can get started a little bit earlier by starting your dallas fern indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Fairfax. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Fairfax may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Fairfax you get a frost after February 15 be ready to protect your dallas fern in the event of a surprise late frost.

USDA Zone Info for Fairfax

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 Fairfax

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