When to Plant Fountain Grass in Williamsport, PA

Before planting it is a good idea to find your USDA Zone info to estimate 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.

A common way of making a decision about when to plant fountain grass is to use the USDA zone info for Williamsport.


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 one of those plants that can tolerate a tiny bit of cold weather which means that you can start planting them slightly earlier 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 Williamsport 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. If you wait any later than that and your fountain grass may not have a chance to grow to maturity. Starting your fountain grass indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Williamsport. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Williamsport and it can change quite a bit from year to year. Half of the time in Williamsport it frosts late in the year after April 15 so make sure that you are prepared to cover your fountain grass in the event of a late frost.

USDA Zone Info for Williamsport

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Williamsport

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