Morris Arboretum

Morris Arboretum

Morris Arboretum is closed today, September 2nd, due to flooding.

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Notice: Our website is currently undergoing maintenance and information may not be current. For assistance please contact

Plant CLinic

Plant Clinic

The Morris Arboretum is phasing out the Plant Clinic. You will find the resources noted below helpful for answering your plant-related questions.

You can locate your local Pennsylvania State Extension office here. The staff of the County Extension Offices are available to help with any pressing plant questions. If you need help with tree care, you can use this link to find documents on trees and how to hire certified arborists. The Pennsylvania State Extension website at is a comprehensive source for information on plant health and culture, as well as plant identification resources.

Please visit the Morris Arboretum website or click here for more information on hours or ticketing.

Thank you for all your questions over the years, and happy gardening!

Plant Clinic Staff

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Alerts & Updates

Advance tickets are not required to visit but are strongly encourage for first time visitors.

The Garden Railway will not be operational from 2:00 PM Friday (July 19) through the weekend (July 20-21). The trains will open for normal operation on Monday, July 22nd. Our Train Master reported that the trains will not operate in the excessive heat, citing electrical, track and rolling stock failures.

The Arboretum is open as usual. Click here for hours.

Please note: The Rose Garden is closed for maintenance every Thursday morning until noon.

Weather conditions may limit garden access to certain features even if the garden is open – please check the web site or call (215) 247-5777 for updates before visiting. Our visitors’ safety in the garden is our top priority. Therefore when inclement weather is predicted, we will make decisions about closing the garden accordingly.