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 Modesto you should be able to determine when it's the best time to plant fanflower.

Planting Calendar for Fanflower

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

Since fanflower are not cold tolerant you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant fanflower in Modesto 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. You can get started a few weeks earlier by starting your fanflower indoors.

Last Frost Date

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

Since the USDA zone info for Modesto is an average the actual date of last frost is different every year. Since half of the time in Modesto you get a frost after February 15 be ready to cover your fanflower in the event of one of those late frosts.

USDA Zone Info for Modesto

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 Modesto

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