When to Plant Fountain Grass in Swarthmore, PA

One of the first steps you take when you are making a decision about your gardening schedule is find your 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 reviewing the USDA zone info for Swarthmore it's possible to estimate when to 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 just a tiny bit earlier in the year because they do ok in moderate 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 Swarthmore 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 couple of weeks earlier by starting your fountain grass indoors.

Last Frost Date

The average date of last frost is April 15 in Swarthmore. You can expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Swarthmore and it will vary from year to year. Half of the time in Swarthmore last frost occurs after April 15 so just be sure to be ready to cover your fountain grass in the event of a surprise late frost.

USDA Zone Info for Swarthmore

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

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

Plants to Grow in Swarthmore

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