1Monthly Meeting: Addison GalambosMonthly Meeting: Addison Galambos7:00 PM PDT · Terra Linda Community Center, San RafaelTuesday 1 September 2026Monthly Meeting: Addison Galambos7:00 PM PDT · Terra Linda Community Center, San Rafael
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5OOS Volunteer hours opportunity – Christmas lights checkOOS Volunteer hours opportunity – Christmas lights check8:30 AM CDT · Will Rogers Gardens Exhibition Center, Oklahoma CitySaturday 5 September 2026OOS Volunteer hours opportunity – Christmas lights check8:30 AM CDT · Will Rogers Gardens Exhibition Center, Oklahoma City
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9HOS General Membership MeetingHOS General Membership Meeting7:00 PM HST · Lanakila Elementary School Cafeteria, HonoluluWednesday 9 September 2026HOS General Membership Meeting7:00 PM HST · Lanakila Elementary School Cafeteria, Honolulu
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11September OSOGSL MeetingSeptember OSOGSL Meeting7:00 PM CDT · Commerce Bank Center for Science Education (CBEC) – Room 125, St. LouisFriday 11 September 2026September OSOGSL Meeting7:00 PM CDT · Commerce Bank Center for Science Education (CBEC) – Room 125, St. Louis
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13South Coast C&SS monthly meeting -September 2026South Coast C&SS monthly meeting -September 20262:00 PM PDT · Peninsula Center Library-Community Room, Rolling Hills EstatesSunday 13 September 2026South Coast C&SS monthly meeting -September 20262:00 PM PDT · Peninsula Center Library-Community Room, Rolling Hills Estates
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20OOS Meeting—September 2026OOS Meeting—September 20261:00 PM CDT · Will Rogers Gardens Exhibition Center, Oklahoma CitySunday 20 September 2026OOS Meeting—September 20261:00 PM CDT · Will Rogers Gardens Exhibition Center, Oklahoma City
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26RHS Orchid Expert Group MeetingRHS Orchid Expert Group Meeting1:30 PM GMT+1 · The Hamworthy Club, Canford MagnaSaturday 26 September 2026RHS Orchid Expert Group Meeting1:30 PM GMT+1 · The Hamworthy Club, Canford Magna
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28HOS Judging at Aiea Orchid Club MeetingHOS Judging at Aiea Orchid Club Meeting7:00 PM HST · Aiea Elementary School Cafeteria, AieaMonday 28 September 2026HOS Judging at Aiea Orchid Club Meeting7:00 PM HST · Aiea Elementary School Cafeteria, Aiea