ROSE PRUNING
Saturday, 1/9
Jill Morganelli, Horticultural Supervisor
10am – 12pm / Ed House
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
Join Jill Morganelli, Gardener in the Victorian Rose Garden, for a workshop about rose pruning and rose care. January is a big month for roses: proper pruning and soil building will determine the health and beauty of roses throughout the year. Disease control will also be covered. Bring all your questions and learn everything you wanted to know about caring for your roses! There will be a demonstration in the Rose Garden afterwards. Bring water and comfortable shoes; it is about a ten minute walk.
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TREE DISEASES, PESTS & THE DROUGHT
Saturday, January 23, 2016
Instructor: Dr. Jerry Turney
10am-12noon – Palm Room
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
The class will cover the most common diseases and insect pests of trees in Southern California: Oak Root Rot, Phytophthora Root Rot, Bacterial Leaf Scorch, Polyphageous Shot Hole Bore and Pine Bark Beetles. These diseases and pests are the most common cause of tree death in California. The students will learn how to identify/diagnose each disease or insect pest, how to prevent the pest from attacking or how to treat affected trees.
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NATIVES INCORPORATED
Saturday, February 6
10am – 12noon/ Bamboo Room
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
Instructor: Steve Gerischer
To Register please call the Education Department at 626.821.4623 or pay at the class
Wondering where to start with California native plants? Many gardeners cannot clear their yards and start with a blank slate, but would like to try growing native plants. California native plants have an undeserved reputation for being ‘difficult’. Many are remarkably easy to grow and can be “incorporated” into a drought tolerant landscape without harm to the garden or the native plants. We will discuss some of the easy and beautiful natives you can start with-what they need-and how they can be a benefit to your environment. Learn how you can add these easy, un-thirsty plants to your existing landscape.
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RAISED BED GARDENING WITH FARMSCAPE
Saturday, February 20, 2016
Matthew Geldin / Farmscape
10am – 12pm / Bamboo Room
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
Do you grow food in raised garden beds? So do we! After installing and maintaining hundreds of raised bed gardens, we’d like to think we’ve learned a thing or two by now. Join us for a workshop that will cover picking the right soil for your raised bed, manual and automatic irrigation techniques, garden planning, and seasonal growing tips to help you achieve abundant harvests in your vegetable garden!
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RAINWATER HARVESTING AND DRAINAGE BASICS
Instructor: Laramee Haynes
Saturday, April 2 / Bamboo Room
10am – 12noon
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
Learn cost effective ideas for keeping rain water safely in your garden and off city streets. Examples include dry ponds, swales and streams. Water absorbed by the ground helps refill the local aquafers and city wells. Trees and shrubs also benefit from extra deep watering during the rainy season. This talk will cover the basics of grading, drainage on the surface and in pipes, water storage and how plants use water.
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TOMATOMANIA
Wednesday, April 6
Scott Daigre
10am – 12noon / Palm Room – Gift Shop Patio
Free to Arboretum Members / Free to Non-Members with Arboretum Admission
New this year we have Tomatomania!
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BACKYARD CHICKENS & BEES
Saturday, May 14, 2016
Instructor: John Lyons
10am – 12noon / Palm Room
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
Learn all the basics about both disciplines including chicken varieties, housing, feeding and disease control. Learn about bees and their care, beehives,
equipment and harvesting honey in addition to the organic care of the bee colony.
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SCHOOL GARDENS FROM A TO V
Saturday, April 23, 2016
9am – 3pm / Education House
$40 members / $50 non-members
Dave Karp, Instructor
To Register please call the Education Department at 626.821.4623
Learn how to build a great garden. Ideas on horticulture techniques. Everything from aquaponics to vermiculture. Teachers and parents most welcome.
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ORGANIC FRUIT & VEGETABLE GARDENING
Saturdays: 12noon- 4pm / Palm Room
Instructor: Jill Morganelli
$25 Arboretum members / $35 non-members per class (includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
The Organic Fruit and Vegetable Gardening classes at the Arboretum combine Biodynamic, Permaculture and other natural gardening techniques that align with the seasons. Each class is part of a 16-hour series that highlights how to build habitat and soil while providing solid horticultural practices for the ins-and-outs of growing organic fruits and vegetables. Tours of the Los Angeles Arboretum Garden for All Seasons and Crescent Farm help to give visual meaning to the concepts you learn in class. It is a great way to connect with the earth, your friends and family, and the community!
Saturday March 19 / Education House
The advent of spring brings life and excitement in the garden! Rejuvenation, companionship, and biodiversity abound. How to provide proper irrigation and protection for your crops is established. We will start looking at identifying annual summer weeds and weed prevention. Demonstrations of how to plant vines, brambles, fruit trees and spring crops will be presented. Saturday June 18 / Bamboo Room
Summer session rolls in with an abundance of horticultural victories and dilemmas. Integrated Pest Management and disease control lead the line up to help you get rid of any unwanted guests in the garden while creating a beneficial habitat those you do want there. Create a vibrant habitat to enjoy all year that lives harmoniously with food production. Horticultural therapy and “What Kind of Farming is It” offer thought-provoking concepts
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AUSTRALIAN TREES FOR A DROUGHT-STRESSED SOUTHERN CALIFORNIA
Saturday, March 19, 2016
10am – 12pm / Bamboo Room
Instructor: Matt Ritter
$30 Arboretum members / $40 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
The Arboretum is bringing back botany Professor Matt Ritter to discuss and celebrate the Arboretum’s Australian trees for Southern California gardens. El niño or not, it’s dry in California and likely to get dryer. More trees from Australia will be part of the solution toward creating beautiful, diverse, and resilient urban forests with less and less water. We’ll explore future drought tolerant, appropriate Australian species. This event will be partial classroom lecture and discussion and part tree walk in the Arboretum’s world class collection of Australian trees. Come learn about Acacias, eucalypts, Callistemons, Melaleucas, and Brachychitons, and so many more great Australian trees.

Matt Ritter is a professor in the Biology Department at Cal Poly, San Luis Obispo. He has authored numerous scientific papers and botanical treatments, including the second edition of the Jepson Manual, the Flora of North America Project, and a natural history guide to San Luis Obispo’s native plants. He is also the author of A Californian’s Guide to the Trees Among Us, the state’s most popular natural history guide to the urban forest. He is the California Coordinator of the American Forests Big Tree Registry, holds a Kenan Fellowship at the National Tropical Botanical Gardens, is the chair of the City of San Luis Obispo Tree Committee, and editor-in-chief of Madroño, the journal of the California Botanical Society. He is an avid woodworker and gardener.
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INTRO TO PLANT ID
1:30pm – 4pm / Palm Room
$60 members / $70 non-members (includes Arboretum admission)
Instructor: Frank McDonough
Friday, March 4th
Friday, March 11th
Friday, March 18th
Friday, March 25th
To Register please call the Education Department at 626.821.4623 or pay at the class
Arboretum Botanist, Frank McDonough, will instruct this class that looks at more than a dozen major plant families represented by specimens here at the Arboretum.
You will learn about plant classification, how to identify plants genus, family and order using both printed and digital plant keys. You will also learn how to identify and determine the most important plant structures for identifying an unknown plant, strategies for using the internet to help you identify plants and other tools and skills useful in plant identification.
Each student is required to have: a 10X or 20X jewelers loop (preferably with light) and copy of “How to Identify Plants” by H.D. Harrington.
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PLANT INFO
Wednesdays – 1:30pm / Palm Room
Free for members / Free for non-members (with arboretum admission)
Instructor: Frank McDonough
1/6 – Best New Plants for 2016: Aloe Tour
2/3 – New Flowering Trees for Southern California
3/2 – Nurturing the Nightshades: How to Collect and Culture Useful Members of the Tomato Family
4/6 – How to Make Your Own Perfume from Your Garden Flowers
5/4 – Rose to the Occasion: The Celebratory and Ritualistic Use of Roses Throughout History (Includes Off Sight Rose Garden Tour)
To Register please call the Education Department at 626.821.4623 or pay at the class
Stay on top of the world of botany & horticulture when Arboretum botanist Frank McDonough covers various landscaping and gardening topics plus the latest news in gardening and plant science. Frank will also reveal some of the more important or unusual or entertaining questions that he and the volunteers have received from the public during the previous month. Bring your own plant questions for discussion. You never know what unique and fascinating topics will be addressed!
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COMPOSTING FOR DROUGHT RESILIENT SOIL
Saturday, May 28, 2016
Instructor: Lynn Fang
10am – 12noon / Palm Room
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
Reduce your water bill by using compost in your garden. When made correctly, compost has a rich, earthy fragrance that doesn’t attract flies or rodents. In this workshop, discover simple ways to make compost in your own home and how it can improve your soil’s water holding capacity.
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PLUMERIA PRUNING: HANDS-ON WORKSHOP
Saturday, April 9, 2016
Instructor: Diana Donnellan
10am – 12noon / Rotunda – Tallac Knoll
$25 Arboretum members / $35 non-members (Includes Arboretum Admission)
To Register please call the Education Department at 626.821.4623 or pay at the class
Spring is tree pruning time. Join us in the Plumeria grove for a hands-on class that teaches you how to properly trim and why it improves the bloom volume.

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