One of the best tools that you have as gardeners to help us figure out 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.

By checking out the USDA zone info for Calistoga it's possible to determine when you can plant fountain grass.

Planting Calendar for Fountain Grass

Frost tolerance for fountain grass:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant fountain grass slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant fountain grass in Calistoga is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant fountain grass and expect a good harvest is probably September. If you wait any later than that and your fountain grass may not have a chance to fully mature. If you are starting your fountain grass indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Calistoga. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Calistoga may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Calistoga you get surprised by a frost after February 15 be ready to protect your fountain grass if you have a late frost.

USDA Zone Info for Calistoga

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 Calistoga

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