Christmas Orchid
Cattleya trianae
Colombia's national flower blooms at the darkest point of the year, when the impulse to bring something living and extraordinary indoors is strongest. The Christmas orchid's flowers — ranging from white and blush to lavender and deep rose, each with a richly marked lip — feel like a considered argument against winter's severity.
Endemic to the rainforests of Colombia and named for the 19th-century Colombian botanist José Jerónimo Triana, Cattleya trianae holds the distinction of being both a horticultural treasure and a species under genuine pressure in the wild, where habitat destruction has reduced its range considerably. It is a unifoliate cattleya, flowering from pseudobulbs formed in the previous season after a resting period — a biological clock calibrated, in cultivation, to produce its blooms in winter, typically around December and January. This seasonal reliability is one of the reasons it was adopted as the national flower of Colombia, and it is a quality that hybridizers have worked hard to preserve and amplify in hybrid offspring.
The natural color variation in Cattleya trianae is considerable: some plants carry soft pinkish flowers, others shade toward blue-lavender, and pure white forms with contrasting, heavily marked lips also exist. These naturally occurring variations were extensively named in earlier taxonomic treatments but are now folded back into the species. As a parent in hybridization, Christmas orchid has contributed vigor and a small lip to its offspring, along with the strong winter-flowering tendency that makes hybrids bearing its genetics so useful for filling the seasonal gap when other orchids are dormant. In the home or greenhouse, the cultural requirements follow the standard cattleya template: bright filtered light, warm days, cooler nights, a bark-based medium that drains freely, and the patience to let the plant rest before expecting flowers.
Christmas Orchid
Cattleya trianae
Flor de Mayo, May Flower, Winter Cattleya