TBG Lecture Series

This long-running lecture series highlights local and international experts in gardening, conservation, nature, and more! Doors open at 6:30 p.m. and lectures start at 7:30 p.m.

Lectures are FREE for TBG Members; members may bring a friend for $10; public $15; students (with ID) $12.

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Join today and receive free parking and free admission to the TBG Lecture Series in addition to discounts on courses, tickets for selected events and purchases at the Garden Shop and Garden Café.

Date/Time Event
Thursday, March 5, 2020
7:30 pm - 8:30 pm
Steppe Plants for the Rock Garden Steppe Plants for the Rock Garden

The steppe ecosystems are home to thousands of hearty, drought-resistant plants, many of which are uniquely suited to rock and crevice gardens. There are four great steppe regions on our planet, including the North American Steppe covering parts of central United States, western Canada and northern Mexico. The Denver Botanic Gardens (DBG), situated in the heart of this region, is a hub for the study and cultivation of steppe plants.

In his lecture, Mike Bone, curator of steppe collections at DBG, will describe the unique steppe environment and demonstrate why steppe plants are perfectly-suited for rock gardens, like the one he cares for at the Denver Botanic Gardens. Mike looks forward to taking you on a journey around the world’s great steppe regions.

For a sneak peek into steppe ecosystems and the Denver Botanic Garden, check out this short video.

Please note that paid parking is now in effect, however TBG members park for free.

About Mike Bone

Mike has worked at the Denver Botanic Gardens in Colorado since 2002, studying and growing plants of steppe ecoregions and their adjacent mountain ranges. Mike has explored and collected seed in steppes – which are dry, grassy plains occurring in temperate climates – around the world including Asia, southern Africa and the American West.

Mike oversees DBG’s Steppe Garden, trial gardens, plant breeding program, and the propagation of wild-collected material. Mike has been working with the Plant Select® program for 20 years to bring climate-appropriate plants to the marketplace for the Colorado Front Range and beyond.

When not on the clock, Mike continues to work with plants. He is an enthusiastic gardener and collector, and has extensive rock, crevice, steppe and vegetable gardens, as well as a small greenhouse.

Mike has contributed to six books published through the Denver Botanic Gardens, including Steppes: The Plants and Ecology of the World’s Semi-arid Regions. He also writes for local, regional and national publications.


Thursday, April 23, 2020
7:30 pm - 8:30 pm
The Schachen: A Secret Garden Nestled in the Bavarian Alps The Schachen: A Secret Garden Nestled in the Bavarian Alps

In 1901, the Munich Botanic Garden went out on a whim and up a mountain to create The Schachen Alpine Garden. The garden, located in the Wetterstein Mountains 1,850 metres above sea level, is open for a mere four months of the year, and is accessible by foot only after a three to four hour hike. This may seem like too much bother, but visitors claim that sore feet and achy knees are a small price to pay for the floristic splendour of the garden.

The Schachen Alpine Garden contains a diverse and ever-growing collection of alpine plants from around the world. Specimens come from Europe, the Carpathians, the Caucasus, Himalayas, the Arctic, and North America, South Africa, New Zealand and Patagonia. The cool, moist summers are particularly suited for the cultivation of plants from the summer monsoon areas of the Himalayas, with Meconopsis and Primula plants being the main attractions for visitors in July.

About Jenny Wainwright-Klein

Jenny grew up on the Zambian Copperbelt in Africa, and was interested in nature and plants from an early age. There were no plant nurseries where she lived, so everything in her parents’ garden came from seed or cuttings.

Jenny qualified as a horticulturist in Cape Town, South Africa, in the early 80s, and left soon after to explore the landscaped gardens of the United Kingdom and Europe. For two years, she worked at the Royal Botanic Garden Kew. Here, she met her husband and moved to Germany with him in 1990.

In 1992, she started work in the Rock Garden (Alpinum) of the Munich Botanic Garden, and developed a fascination for alpine plants. Now, 27 years later, she is the supervisor of the alpine propagation unit and of the Schachen Alpine Garden. Last summer Jenny celebrated her 26th season in this garden.

Jenny loves to travel. She has completed eight seed-collecting expeditions to Lesotho, a country completely encircled by the Republic of South Africa, but separated from it by forbidding mountain ranges, and one such expedition to Georgia. She also travels extensively as a speaker, sharing her passion for alpine plants and environments across Europe and now in North America.


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