Penn State Extension

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Mealybugs. Photo credit: Scot Nelson Public Domain
Pest and Disease Problems of Indoor Plants - Articles Articles
Plants can brighten our indoor spaces. Find out more about common pests and diseases of indoor plants and how to combat them. More
Seed Talk and Swap
Seed Talk and Swap - Workshops Workshops

Seed Talk and Swap


Warren, PA

The practice of saving seeds for future use is as old as cultivation. Learn how to retrieve, sort, and store seeds in this workshop. Attendees are invited to bring seeds to swap! More
There are many benefits to having houseplants
Have A Green Winter - Articles Articles

Have A Green Winter

Shirley Lindsay

There are many benefits to having houseplants, winter or summer. More
Photo credit: Margaret Stoddard
Enjoying Paperwhite Narcissus in Winter - Articles Articles
Paperwhite narcissus bulbs bloom easily indoors and do not require a cold season before blooming. Read on to discover multiple growing and display options for paperwhite narcissus. More
Poinsettia ‘Ice Crystals’ Penn State Extension Master Gardener Program
Poinsettia and Christmas Cactus Care - Articles Articles
This article gives advice for prolonging the life and blooms of two popular holiday houseplants. More
Succulent Container Garden Workshop
Succulent Container Garden Workshop - Workshops Workshops
Enjoy succulent plants in your home and garden by learning about these low maintenance plants. More
Growing Orchids in Your Home
Growing Orchids in Your Home - Workshops Workshops
Discover how you can grow and enjoy the beauty of orchids in your own home. More
Photo credit: Laura Nicholas
Grow Your Own Lemons - Articles Articles

Grow Your Own Lemons

Laura Nicholas

Lemons can be grown as a container plant, even in Pennsylvania. Find out how to cultivate lemons from blossom to ripe fruit in this article. More
Growing Herbs
Growing Herbs - Workshops Workshops
Learn to grow and cook with herbs at home. More
An African Marigold being grown at the proper pH. Photo: Tom Ford, Penn State
Milk is Not a Substitute for Flowable Lime Rescue Treatments - News News
Low media pH has been known to increase the risk of iron and manganese toxicity in some horticultural crops like geraniums and African marigolds. More
Seed Starting Workshop
Seed Starting Workshop - Workshops Workshops
How to start your own seeds at home. More
Picture credit: Lois Miklas
Shamrocks as Houseplants - Articles Articles
The houseplants commonly sold as shamrocks are actually members of the Oxalis genus. This article explains how Oxalis plants became known as shamrocks and how to care for Oxalis houseplants. More
Tillandsia are tucked into this winter arrangement. Photo credit: Carol Papas
Tillandsia (Air Plants) - Articles Articles
Air plants are finding a place in home decor. Care is not difficult if you understand how they grow in their natural environment. More
Cyclamen in bloom Photo credit: Carol Papas
Care and Culture of Winter Holiday Plants - Articles Articles
One of the nicest gifts of the winter holidays is a living, blooming plant. Learn how to care for these plants so that they become gifts that keep on giving. More
Photo credit: Nancy Knauss
Houseplant Selection - Articles Articles

Houseplant Selection

Dianne Machesney

New varieties of old-favorite houseplants are available. This article recommends plants that can thrive in a home environment. More
Photo credit: Alyssa Collins
Botany Lessons from a Holiday Poinsettia - Articles Articles
Learn more about the natural history and botany behind your greenhouse-grown poinsettia. More
Four-lined plant bug adult. Photo: S. Feather, Penn State
Four-lined Plant Bugs Are Active Now - Articles Articles
Four-lined plant bugs, Poecilocapsus lineatus, become active in May. More
Christmas Cactus segments are smooth sided and have no pointy edges.
Christmas Cactus – Getting Them to Bloom - News News
My fondness for Christmas Cactus plants comes from the numerous beautiful blooms that magically appear from green tips just as color has pretty much disappeared from my outdoor gardens. More
Choosing and Caring for Houseplants
Choosing and Caring for Houseplants - Articles Articles
Plants make a welcome addition to the home or office, but did you know that houseplants could actually clean the air? More
Poinsettias - Articles Articles
Choose your poinsettia carefully. Healthy plants are worth the extra money! More
Plants for Your Office
Plants for Your Office - Articles Articles
Green plants make a welcome addition to any office, but did you know that plants could actually clean the air? More
Gardening Prep during the Cold Winter Months
Gardening Prep during the Cold Winter Months - Articles Articles
The winter temperatures in northeastern Pennsylvania don’t really feel like gardening weather. More
Compost bins with easy access for turning the pile
Composting Leaves - Articles Articles

Composting Leaves

Vincent Cotrone

Before you bag up those fall leaves, consider their potential for your landscape. More
Septoria leaf spot on Rudbeckia (Photo by S. Guiser)
Bud Break: A Key Time for Controlling Plant Diseases - Articles Articles
Not only do you and I look forward to Spring weather, fungi, bacteria, phytoplasmas and other plant pathogens also gear up for the season. More
Fern Diseases
Fern Diseases - Articles Articles

Fern Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Fern diseases. More
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