When to Plant Fountain Grass in Scottsdale, AZ

The USDA Zone info is a great tool for gardeners to help us figure out 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.

A way of figuring out when you can plant fountain grass is to examine the USDA zone info for Scottsdale.


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.

Since fountain grass do ok in moderate cold you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant fountain grass
Possibly ok, but a risky time to plant fountain grass
Probably not a good time to plant fountain grass

The earliest that you can plant fountain grass in Scottsdale 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 really do well. You can get started a couple of weeks earlier by starting your fountain grass indoors.

Last Frost Date

On average the last frost is on February 15 in Scottsdale. You should expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Scottsdale and it can change quite a bit from year to year. Half of the time in Scottsdale you get a frost after February 15 so make sure that you are prepared to protect your fountain grass in the event of a late frost.

USDA Zone Info for Scottsdale

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 Low25°F
Highest Expected Low30°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 Scottsdale

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