2October OSOGSL MeetingOctober OSOGSL Meeting7:00 PM CDT · Commerce Bank Center for Science Education (CBEC) – Room 125, St. LouisFriday 2 October 2026October OSOGSL Meeting7:00 PM CDT · Commerce Bank Center for Science Education (CBEC) – Room 125, St. Louis
3Gold Coast Bonsai AuctionGold Coast Bonsai Auction9:00 AM EDT · City of Sunrise Village Meeting Hall, SunriseSick Plant ClinicSick Plant Clinic9:15 AM PDTSaturday 3 October 2026Gold Coast Bonsai Auction9:00 AM EDT · City of Sunrise Village Meeting Hall, SunriseSick Plant Clinic9:15 AM PDT
4Week›Dyeing with Plants workshop – DivideDyeing with Plants workshop – Divide10:00 AM MDT · Divide, MT, DivideLong Beach Cactus Club – Annual Auction 2026Long Beach Cactus Club – Annual Auction 20261:00 PM PDT · Women’s Club of Bellflower, BellflowerSunday 4 October 2026Dyeing with Plants workshop – Divide10:00 AM MDT · Divide, MT, DivideLong Beach Cactus Club – Annual Auction 20261:00 PM PDT · Women’s Club of Bellflower, Bellflower
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6Monthly Meeting: John DoigMonthly Meeting: John Doig7:00 PM PDT · Terra Linda Community Center, San RafaelTuesday 6 October 2026Monthly Meeting: John Doig7:00 PM PDT · Terra Linda Community Center, San Rafael
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9Introduction to Grasses at University of Arizona HerbariumIntroduction to Grasses at University of Arizona Herbarium8:30 AM MST · University of Arizona Herbarium, Herring HallIntegral Taiji and QigongIntegral Taiji and Qigong11:00 AM PDTHonolulu Orchid Society Show and Plant SaleHonolulu Orchid Society Show and Plant Sale9:00 AM HST · Washington Middle School Cafeteria, HonoluluFriday 9 October 2026Introduction to Grasses at University of Arizona Herbarium8:30 AM MST · University of Arizona Herbarium, Herring HallIntegral Taiji and Qigong11:00 AM PDTHonolulu Orchid Society Show and Plant Sale9:00 AM HST · Washington Middle School Cafeteria, Honolulu
10Wessex Orchid Society: Orchid & Bonsai ShowWessex Orchid Society: Orchid & Bonsai Show11:00 AM GMT+1 · Portchester Village HallHonolulu Orchid Society Show and Plant SaleHonolulu Orchid Society Show and Plant Sale9:00 AM HST · Washington Middle School Cafeteria, HonoluluSaturday 10 October 2026Wessex Orchid Society: Orchid & Bonsai Show11:00 AM GMT+1 · Portchester Village HallHonolulu Orchid Society Show and Plant Sale9:00 AM HST · Washington Middle School Cafeteria, Honolulu
11Week›Conejo C&SS – Fall Sale 2026Conejo C&SS – Fall Sale 20269:00 AM PDT · 558 N. Ventu Park Road, Thousand Oaks, Thousand OaksSouth Coast C&SS monthly meeting OCTOBER 2026South Coast C&SS monthly meeting OCTOBER 20261:00 PM PDT · Zamperini Field, TorranceSunday 11 October 2026Conejo C&SS – Fall Sale 20269:00 AM PDT · 558 N. Ventu Park Road, Thousand Oaks, Thousand OaksSouth Coast C&SS monthly meeting OCTOBER 20261:00 PM PDT · Zamperini Field, Torrance
12October Monthly MeetingOctober Monthly Meeting6:30 PM EDT · St Lukes Methodist Church, Indianapolis2026 Annual Auction2026 Annual Auction7:00 PM EDT · Christ Lutheran Church Social Hall, Oakland ParkMonday 12 October 2026October Monthly Meeting6:30 PM EDT · St Lukes Methodist Church, Indianapolis2026 Annual Auction7:00 PM EDT · Christ Lutheran Church Social Hall, Oakland Park
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14HOS General Membership MeetingHOS General Membership Meeting7:00 PM HST · Lanakila Elementary School Cafeteria, HonoluluWednesday 14 October 2026HOS General Membership Meeting7:00 PM HST · Lanakila Elementary School Cafeteria, Honolulu
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17Central Orchid Society Annual ShowCentral Orchid Society Annual Show11:00 AM GMT+1 · Perton Church Hall, Nr. WolverhamptonFall Fruit & Foliage Bonsai Exhibition (Michigan)Fall Fruit & Foliage Bonsai Exhibition (Michigan)8:00 AM EDTSaturday 17 October 2026Central Orchid Society Annual Show11:00 AM GMT+1 · Perton Church Hall, Nr. WolverhamptonFall Fruit & Foliage Bonsai Exhibition (Michigan)8:00 AM EDT
23Phoenix: Desert Botanical Garden 50th Annual Plant SalePhoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHuntington Fall Plant Sale 2026Huntington Fall Plant Sale 202610:00 AM PDT · Huntington Botanical Gardens, San MarinoFriday 23 October 2026Phoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHuntington Fall Plant Sale 202610:00 AM PDT · Huntington Botanical Gardens, San Marino
24Phoenix: Desert Botanical Garden 50th Annual Plant SalePhoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHuntington Fall Plant Sale 2026Huntington Fall Plant Sale 202610:00 AM PDT · Huntington Botanical Gardens, San MarinoPalomar C&SS – Fall Show & Sale 2026Palomar C&SS – Fall Show & Sale 20269:00 AM PDT · San Diego Botanic Garden, EncinitasSaturday 24 October 2026Phoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHuntington Fall Plant Sale 202610:00 AM PDT · Huntington Botanical Gardens, San MarinoPalomar C&SS – Fall Show & Sale 20269:00 AM PDT · San Diego Botanic Garden, Encinitas
25Week›Phoenix: Desert Botanical Garden 50th Annual Plant SalePhoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHuntington Fall Plant Sale 2026Huntington Fall Plant Sale 202610:00 AM PDT · Huntington Botanical Gardens, San MarinoPalomar C&SS – Fall Show & Sale 2026Palomar C&SS – Fall Show & Sale 20269:00 AM PDT · San Diego Botanic Garden, EncinitasSunday 25 October 2026Phoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHuntington Fall Plant Sale 202610:00 AM PDT · Huntington Botanical Gardens, San MarinoPalomar C&SS – Fall Show & Sale 20269:00 AM PDT · San Diego Botanic Garden, Encinitas
26Phoenix: Desert Botanical Garden 50th Annual Plant SalePhoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHOS Judging at Aiea Orchid Club MeetingHOS Judging at Aiea Orchid Club Meeting7:00 PM HST · Aiea Elementary School Cafeteria, AieaMonday 26 October 2026Phoenix: Desert Botanical Garden 50th Annual Plant Sale7:00 AM MST · Desert Botanical Garden, PhoenixHOS Judging at Aiea Orchid Club Meeting7:00 PM HST · Aiea Elementary School Cafeteria, Aiea
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31RHS Orchid Expert Group: Study Visit & MeetingRHS Orchid Expert Group: Study Visit & MeetingAll day · Eric Young Orchid Foundation, TrinitySaturday 31 October 2026RHS Orchid Expert Group: Study Visit & MeetingAll day · Eric Young Orchid Foundation, Trinity