Upcoming Events
Past Events
Winter Holiday Plants – No Matter What You Celebrate, There’s a Plant for That!
Wednesday, December 4, 2019
Every first Wednesday of the month at 1:30 pm Arboretum Plant Information Consultant Frank McDonough covers current horticultural topics including landscaping, gardening, design, water-saving strategies and other pertinent topics.
Landscape Plants – Shrubs (Includes Natives): To Wall Off or Integrate
Wednesday, November 6, 2019
Every first Wednesday of the month at 1:30 pm Arboretum Plant Information Consultant Frank McDonough covers current horticultural topics including landscaping, gardening, design, water-saving strategies and other pertinent topics.
Succulent Wreath Workshop
Saturday, October 26, 2019
Succulent wreaths are fun to make and a beautiful addition to your home decor. During this hands-on class, you will make your own wreath, which will grow out into to a lush and lively centerpiece for any table.
Botany Bootcamp
Saturday, October 12, 2019
This comprehensive and compacted session will introduce you to the terminology, concepts and structures you’ll need to know to identify plants by introducing you to the 7 most common plant families at the Arboretum.
Landscape Plants – Trees: Real Choices for the New Water Saving Paradigm
Wednesday, October 2, 2019
Every first Wednesday of the month at 1:30 pm Arboretum Plant Information Consultant Frank McDonough covers current horticultural topics including landscaping, gardening, design, water-saving strategies and other pertinent topics.
Look, Ma, No Lawn!
Saturday, September 14, 2019
Are you ready to lose the lawn? Have you applied for a cash for grass rebate? We’ll explain how to take the turf out and offer alternatives for the space-specifically low-care native plants that need no fertilizer and use a fraction of the water required for turf.
Lawns – Garish Outdoor Carpets or Deep-Rooted Psychological Necessities?
Wednesday, September 4, 2019
Every first Wednesday of the month at 1:30 pm Arboretum Plant Information Consultant Frank McDonough covers current horticultural topics including landscaping, gardening, design, water-saving strategies and other pertinent topics.
Plant Science for Gardeners and Citizen Scientists
Thursday, August 22, 2019
Explore the wonders of the plant world through discussion and hands-on lab time in this monthly series for “citizen scientists” led by Jim Folsom, the Telleen/Jorgensen Director of the Botanical Gardens.
Look, Ma, No Lawn!
Saturday, August 17, 2019
Are you ready to lose the lawn? Have you applied for a cash for grass rebate? We’ll explain how to take the turf out and offer alternatives for the space-specifically low-care native plants that need no fertilizer and use a fraction of the water required for turf.
Right Plant, Right Place
Saturday, August 10, 2019
Knowing native habitats can help you choose the right plants for your place. This course discusses local plant communities and their conditions, as well as how to assess the conditions of your garden site, including climate, soil, sunlight and space. A valuable class for beginners and the prerequisite for our Three-Part Native Garden Design Course.
Plant Propagation ABC’s – Grow Your Own & Cut Out the Middleman!
Wednesday, August 7, 2019
Every first Wednesday of the month at 1:30 pm Arboretum Plant Information Consultant Frank McDonough covers current horticultural topics including landscaping, gardening, design, water-saving strategies and other pertinent topics.
Compost & Vermiculture
Saturday, July 27, 2019
Discover the different methods of the composting process, from collecting food scraps to vermiculture. Learn what materials can be composted and how worm castings (poop!) can improve your soil. Composting conditions the soil for healthy plants, and can save money and water.
Plant Science for Gardeners and Citizen Scientists
Thursday, July 25, 2019
Explore the wonders of the plant world through discussion and hands-on lab time in this monthly series for “citizen scientists” led by Jim Folsom, the Telleen/Jorgensen Director of the Botanical Gardens.
Growing Succulents
Saturday, July 20, 2019
Trending succulents and cacti are some of the easiest plants to grow. Armstrong Garden Center experts will give you tips to keep them healthy, happy and beautiful.
Look, Ma, No Lawn!
Saturday, July 13, 2019
Are you ready to lose the lawn? Have you applied for a cash for grass rebate? We’ll explain how to take the turf out and offer alternatives for the space-specifically low-care native plants that need no fertilizer and use a fraction of the water required for turf.
Growing Plumerias
Saturday, July 6, 2019
Back by popular demand. It’s so easy to grow the Hawaiian lei flower, Plumerias. Come & select your favorite. Learn basic care and techniques to keep your plumerias healthy and blooming all summer.
Native Plant Garden Maintenance
Saturday, June 29, 2019
Subjects covered include watering, fertilizing (or not), grooming, mulching, pest management and other aspects of garden maintenance. You’ll also discover how native plants respond to pruning cuts (good and bad), what we trigger with our gardening activities, and how to develop good maintenance goals. Part of the class with be held outdoors; bring your hat and water bottle.
Four Seasons of Color with California Natives
Saturday, June 22, 2019
Turn your California native garden into a seasonal showcase of flowers, seed, fruit and foliage. Through vivid images and a detailed plant list, this multi-hued program reveals a vibrant array of trees, shrubs, vines, perennials, groundcovers and grasses that will ensure year-round interest and color.