TOG Presentations2024-03-28T08:00:05-07:00

How to Over-Summer Your Garden – Feb 2025

Speaker: Lorien Tersey, Master Gardener
Tuesday, February, 2025

How to Over-Summer Your Garden and keep your soil alive.

Lorien Tersey has been gardening year round in Tucson for 23 years, building a one acre urban farm using integrated organic practices. She spent three years on the grounds staff at Tohono Chul Park and was active for years with the Gardeners of Tucson. She sells plants and produce at the Santa Cruz River Farmers’ Market and from her gorgeous farm in midtown.

Over-summering the garden.  Lorien will share with us suggestions on how to prepare our gardens for the Tucson summer.  If you are a snow-bird who isn’t here over the summer or you are here and trying to coax along a summer garden, she will offer us tips on what we can do with plant selection and plant care, and most importantly, tips on how to keep your soil “alive” and best practices for watering.

Bugs in the Garden – Jan 2025

Speaker: Deborah North, Master Gardener
Tuesday, January 21, 2025

Curious about the insects in your garden? Join us to discover some of the common insects you’re likely to encounter while gardening. As organic gardeners, it’s essential to identify and understand their life cycles so we can make informed decisions about whether action is necessary. We’ll explore both common beneficial and nuisance insects, helping you navigate the active and dynamic season ahead in our Tucson gardens. Insects being discussed:

  • Green lacewing
  • Assassin bugs
  • Praying mantis
  • Lady beetles
  • Larvae of butterflies and moths
  • Leaf footed bugs
  • Aphids and other soft-bodied pests
  • Grubs – really good guys
  • The good termites

Deborah North is a native of Arizona. She started gardening in the ‘80’s while living and working in Silicon Valley. Unfortunately, this did not prepare her for gardening in Tucson. Returning to Arizona in late 2003 she rapidly learned that to enjoy gardening in Tucson required significant re-training.  She entered the Master Gardener program through the University of Arizona in 2004 and has never looked back!  She is a subject matter expert in citrus, deciduous fruit trees and IPM (Integrated Pest Management) but loves to speak about any gardening topic.  One of her joys of being a master gardener is having the opportunity to help extend the science of the university with the community.

Nocturnal Creatures in the Garden – December 2024

Speaker: Courtney Christie
Tuesday, December 17, 2024

Our speaker, Courtney Christie, is a reptile and invertebrate enthusiast both in her personal
time and profession. She is a zookeeper in the Herpetology, Ichthyology and Invertebrate Zoology
department (HIIZ) at the Arizona-Sonora Desert Museum where she’s worked for the past eight
years, and where she’s gained a bulk of her knowledge about reptiles and invertebrates. She is also
an avid hiker, aspiring naturalist and an artist, all of which have been greatly inspired by her love
for the Sonoran Desert. Through both her job and her art, she is passionate about representing
lesser-known critters that are generally misunderstood or unknown altogether. She’s had the
opportunity to work with a wide variety of Sonoran-Desert fauna ranging from rattlesnakes and
gila monsters, to horned lizards, turtles, various amphibians, and too many invertebrates to
name. Courtney went to the University of Arizona where she majored in Ecology and Evolutionary Biology
which led to her getting an internship and then her current job at the Desert Museum. Through
conservation trips, mentors, educational programs, and personal outings like hikes, blacklights,
and herping expeditions, she has gained a deep appreciation for all the strange and fascinating
wildlife that calls our desert home.

In this talk Courtney will discuss strange critters that might call your garden home, or enjoy passing
through—especially at night—including reptiles, amphibians, and various invertebrates. She will
discuss the who, what, where, why, and when, with an emphasis on behavior.

Healthy Soil Healthy You – October 2024

Speakers: Kurtis Priebe
Tuesday, October 15, 6:30 p.m. at St. Mark’s Presbyterian AND via Zoom

Kurtis will be covering three topics as part of this discussion: 1) garden health, 2) regenerative gardening (restoring an inactive garden), and 3) introducing to the audience Steve Solomon’s book The Intelligent Gardener: Growing Nutrient-Dense Food (compost is good, but introducing eleven minerals, in the right proportion based upon a soil test, is the missing link to J. I. Rodale’s method of providing the nutrients the micro life, plants, and humans need for a healthy existence).

Kurtis has been producing food and gardening since 1969. Since 2005 it has been his hobby, and since 2015 his full-time job. He moved from his home state of Michigan to Little Rock, and in 2022 moved to Tucson where he has a small garden and large compost pile at his home.  He now rents a garden plot at the Rincon Heights Community Garden and heads-up the composting area for the garden.

Regenerative Planting Practices – September 2024

Speakers: Charles Rogers and Shane Perry.
Tuesday, September 17, 6:30 p.m. at St. Mark’s Presbyterian AND via Zoom
Our presentation is aimed at discussing the best planting practices possible for the regeneration and preservation of Sonoran Desert plants, soil and wildlife. Our methods have enabled us to produce positive results for regenerating Native Soil Biology, which optimizes a plant’s root growth, nutrient uptake and water retention. We do this by focusing on key components of planting Sonoran natives such as varieties, amendments, root pruning, earthworks and irrigation. By focusing our efforts in these areas, we’ve developed sustainable planting practices that regenerate and integrate Native Topsoil, Flora and Fauna in the Sonoran Desert. We also will be diving into best practices for long term sustainable vegetable gardening here in the desert.
Ryan Charles Rogers was born and raised in Tucson. Charles is the owner of Earthcare Landscapes LLC, a sustainable landscaping company, serving all of Southern Arizona. He is also co owner of Sonora Flora Nursery, a native plant nursery and a co owner of Strawman Ranch, outside of Benson, which has a 1 acre permaculture food forest installation, and houses native riparian/higher elevation nursery stock. Furthermore, Charles is certified in rainwater harvesting, along with continuing education and certification through smartscape and the master gardeners program.

Tomorrow’s Garden – April 2024

Speakers: Dena Cowan and Kendall Kroesen
Tuesday, April 16, 6:30 p.m. at St. Mark’s Presbyterian AND via Zoom

Mission Garden is a living museum that tells the story of over 4,000 years of multicultural agriculture in the Tucson Basin. Mission Gardens is now planning a new garden that is to be called Tomorrow’s Garden. Its purpose is to explore how to grow food in the local area in the future, with higher average temperatures, more extreme weather events, and less water. A garden committee has gathered input from diverse stakeholders and is now in the process of making initial decisions about the garden design. This presentation will describe the status of this effort, some of the broader scale design parameters, and some of the possibilities we are exploring. Mission Gardens will also be welcoming input from Tucson Organic Gardeners’ about this new effort with an interactive portion as part of the discussion.

Dena Cowan is Curator of Collections at Mission Garden, Tucson’s Agricultural Heritage Museum, where she has also served as Garden Supervisor and Community Outreach Coordinator. For the past two years she has also created a farm plan and consulted for Arizona’s first certified organic regenerative farm, Oatman Flats Ranch.

Kendall grew up in Southern California and earned a bachelor’s degree in anthropology at the University of California, Riverside. After college he worked for four years on archaeological and conservation projects and became a bird watcher. Later Kendall received a Ph.D. in Cultural Anthropology from the University of California, San Diego after twenty months of field work in central Mexico. Kendall held post-doctoral research positions at UCLA and at the Tucson VA Medical Center. In February 2002, in a departure from social science, Kendall joined the staff of the Tucson Audubon Society. There he was involved in communications, rural habitat restoration and creation of an urban bird habitat program. Kendall has served on a variety of community advisory committees including the Tucson Parks and Recreation Commission. He now works as Community Outreach Coordinator at the Mission Garden. He enjoys gardening, birding and walking dogs with his wife Mary Beth Tyndall.

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