One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when it's the best time to plant fanflower by looking at the USDA zone info for Fairfax.

Planting Calendar for Fanflower

Frost tolerance for fanflower:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant fanflower until after the last frost because they are not cold tolerant.

The earliest that you can plant fanflower 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 fanflower and expect a good harvest is probably September. You probably don't want to wait any later than that or else your fanflower may not have a chance to grow to maturity. If you are starting your fanflower indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Fairfax and it is different every year. Since half of the time in Fairfax you get surprised by a frost after February 15 be ready to protect your fanflower if you have 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.