When to Plant Pampas Grass in Harrisburg, PA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Harrisburg you can determine when it's the best time to plant pampas grass by checking out the USDA zone info.


Planting Calendar for Pampas Grass

Frost tolerance for pampas grass: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You should not plant pampas grass until after the last frost has passed because they do not do well in cold weather.

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

The earliest that you can plant pampas grass in Harrisburg is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant pampas grass and expect a good harvest is probably August. If you wait any later than that and your pampas grass may not have a chance to grow to maturity. Starting your pampas 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 Harrisburg. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Harrisburg may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Harrisburg it frosts late in the year after April 15 be ready to cover your pampas grass in the event of one of those late frosts.

USDA Zone Info for Harrisburg

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 Harrisburg

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