121 Best Orchids for Umatilla County | 2026 Guide
The 121 best orchids to grow in Umatilla County. Ideal climate: 12.1°C, 59.2% humidity.
121 Orchids for Umatilla County
Showing 1-36 of 121
Small Spider-orchid
Caladenia parva
Fly Orchid
Ophrys insectifera
Helleborine
Epipactis
Green-winged orchid
Anacamptis morio
Maroonhood
Pterostylis pedunculata
Greater Butterfly-orchid
Platanthera chlorantha
Flying Duck Orchid
Caleana major
Broad-leaved Helleborine
Epipactis helleborine
Chinese Ground Orchid
Bletilla striata
Indian Boat Orchid
Cymbidium aloifolium
Devon's Cymbidium
Cymbidium devonianum
Heath Spotted Orchid
Dactylorhiza maculata
Sekkoku Orchid
Dendrobium moniliforme
Early-purple orchid
Orchis mascula
Four-season orchid
Cymbidium ensifolium
Hooded Orchid
Dendrobium aphyllum
Blue Vanda Orchid
Vanda coerulea
Pink Rock Orchid
Dendrobium kingianum
Grasshopper orchid
Lycaste locusta
Florida butterfly orchid
Encyclia tampensis
Hyacinth Orchid
Dipodium squamatum
Fringed Star Orchid
Epidendrum ciliare
Two-edged Laelia
Laelia anceps
Beach Crucifix Orchid
Epidendrum fulgens
Dendrobium Orchid (genus)
Dendrobium
Noble Dendrobium
Dendrobium nobile
Lady Slipper Orchid
Paphiopedilum insigne
Clawed Ground Orchid
Spathoglottis unguiculata
Cymbidium orchid
Cymbidium
Crucifix Orchid
Epidendrum
Reed-stem Epidendrum
Epidendrum radicans
Rock Orchid
Dendrobium speciosum
Fringe-lipped Dendrobium
Dendrobium fimbriatum
Jewel Orchid
Ludisia discolor
Crucifix Orchid
Epidendrum secundum
Golden Shower Orchid
Oncidium sphacelatum
Ideal Orchids for Umatilla County's Climate
Umatilla County has an average temperature of 12.1°C and humidity of 59.2%, conditions that directly influence which orchids best adapt to the local environment.
How to Grow Orchids in Umatilla County
To successfully grow orchids in Umatilla County, consider that the average temperature of 12.1°C and humidity of 59.2% create a specific microclimate. Moderate humidity is favorable for most species in this category.
Advantages of Choosing Adapted Orchids
Orchids adapted to Umatilla County's climate show greater resistance, healthy growth, and less need for interventions.