121 Best Orchids for Umatilla County | 2026 Guide - Page 4
The 121 best orchids to grow in Umatilla County. Ideal climate: 12.1°C, 59.2% humidity.
121 Orchids for Umatilla County
Showing 109-121 of 121
Large Round-leaved Orchid
Platanthera orbiculata
Jewel Orchid
Macodes petola
Mendel's Cattleya
Cattleya mendelii
Vanda Orchid
Vanda
Bamboo Orchid (genus)
Arundina
Vanilla Orchid
Vanilla planifolia
Cow Horn Orchid
Myrmecophila tibicinis
Philippine Ground Orchid
Spathoglottis plicata
Honohono Orchid
Dendrobium anosmum
Helmet Orchid
Gongora galeata
Cooktown Orchid
Dendrobium bigibbum
Palm Vanilla Orchid
Vanilla palmarum
Delicate violet orchid
Ionopsis utricularioides
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.