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  • Annual OSOGSL Potluck Dinner

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    Commerce Bank Center for Science Education (CBEC) – Room 125 4651 Shaw Blvd., St. Louis, MO, United States

    Note earlier start time!

  • January OSOGSL Meeting

    Commerce Bank Center for Science Education (CBEC) – Room 125 4651 Shaw Blvd., St. Louis, MO, United States

    OSOGSL Show Planning and The History & Principles of Orchid Displays By Matthew Montoya Rush Big Leaf Orchids (remote) By Peter Lin

  • OSOGSL Orchid Show & Sale – Diamond Jubilee

    Featured
    Missouri Botanical Garden – Farr Auditorium 4344 Shaw Blvd., St. Louis, MO, United States

    Come see the colorful Orchid Displays arranged by OSOGSL and other regional growers! Preview Friday evening for MOBot Garden Members. Diamond Jubilee Flyer

  • February OSOGSL Meeting

    Commerce Bank Center for Science Education (CBEC) – Room 125 4651 Shaw Blvd., St. Louis, MO, United States

    Novelty Phalaenopsis, By Peter Lin/Big Leaf Orchids

  • March OSOGSL Meeting

    Commerce Bank Center for Science Education (CBEC) – Room 125 4651 Shaw Blvd., St. Louis, MO, United States

    Orchid biology demystified, ecology and conservation – Dr. Lawrence Zettler

  • April OSOGSL Meeting

    Commerce Bank Center for Science Education (CBEC) – Room 125 4651 Shaw Blvd., St. Louis, MO, United States

    Brazilian Bifoliate Cattleyas – Matthew Montoya Rush

  • May OSOGSL Meeting

    Commerce Bank Center for Science Education (CBEC) – Room 125 4651 Shaw Blvd., St. Louis, MO, United States

    Mediterranean Climate Terrestrials” – Scott McGregor How to grow European and Australian terrestrials (e.g. Ophrys, Orchis, Diuris, Thelymitra, etc).   Scott McGregor has been growing orchids since he was 12, when a neighbor gave him a plant.  That plant had a short life, but the hook was set, and he found books and sources for […]

  • June OSOGSL Meeting

    Commerce Bank Center for Science Education (CBEC) – Room 125 4651 Shaw Blvd., St. Louis, MO, United States

    Tim Culbertson – Oceanside Orchids

  • OSOGSL Orchid Auction & Sale

    Featured
    Missouri Botanical Garden – Farr Auditorium 4344 Shaw Blvd., St. Louis, MO, United States

    New cultivars and old favorites are sold by the area’s top growers, who are on hand to give plant care advice and share information about their organization.   OSOGSL – Auction Flyer 2026 View the Plant List here!