- Looking for information on shrub and tree farming practices? Hone your skills in identifying, growing, and pruning shrubs and trees. Learn more here.
- Looking for tips on turfgrass maintenance and management? Boost your turfgrass and lawn care expertise with Penn State Extension’s resources.
- Turn heads with your flowers and ornamentals. Explore how to plant and grow flowers, manage pests, diseases, soil quality, and more. Learn more here.
- Looking for information on water plants and algae? Boost your aquatic plant and aquaculture expertise with advice by Penn State Extension educators.
- Looking for home gardening tips and advice? Grow the garden you always dreamed of having. Find advice on garden pests, weeds, garden soil, and more.
- Looking for information on the Christmas tree industry? Boost your expertise about Christmas tree management practices with our materials. Increase profits and market your Christmas trees.
Trees, Lawns, and Landscaping
Penn State Extension offers education and programming to help establish and maintain healthy trees, shrubs, lawns, and landscapes.
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Online Courses
Pest and Disease Management for Landscape Plants Learn about managing plant health diseases, vertebrate and invertebrate pests, insects, abiotic disorders, and integrated pest management. Earn PDA core and category credits. Earn PCH credits.
Guides and Publications
Vegetable Gardening Select, grow, and harvest delicious vegetables from your home garden.
Guides and Publications
Integrated Pest Management for Christmas Tree Production Identify, monitor, and control disease and insect pests affecting your Christmas tree farm.
Articles
Filamentous Algae Different species of filamentous algae exist, but all have a similar growth habit. These algae begin growth in the winter and early spring on the pond bottom.