Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Flagstaff you can estimate when to plant fountain grass by reviewing the USDA zone info.

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.

Fountain Grass are barely cold tolerant which means that you can start planting them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant fountain grass in Flagstaff 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 fountain grass and expect a good harvest is probably August. You probably don't want to wait any later than that or else your fountain grass may not have a chance to really do well. You can get started a few weeks earlier by starting your fountain grass indoors.

Last Frost Date

In Flagstaff the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Flagstaff is just an average and the actual date of last frost will vary from year to year. Half of the time in Flagstaff you get surprised by a frost after April 15 so always be ready to cover your fountain grass in the event of one of those late frosts.

USDA Zone Info for Flagstaff

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Flagstaff

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