Calochortus subalpinus

(c) Tom Hilton, some rights reserved (CC BY), uploaded by Tom Hilton via iNaturalist

Species

Subalpine Mariposa Lily

Calochortus subalpinus

A striking alpine perennial with delicate flowers, native to western mountain regions.

Also known as: Subalpine Mariposa Lily

Calochortus subalpinus, commonly known as the Subalpine Mariposa Lily, is native to the mountainous regions of the western United States, particularly in areas with elevations ranging from 6,000 to 10,000 feet. This perennial herb typically reaches heights of 12 to 30 inches, exhibiting a graceful, upright growth habit. The plant features narrow, linear leaves that are often grass-like, providing a striking contrast to its delicate flowers. The blooms, which appear in late spring to early summer, are characterized by their cup-shaped structure and can range in color from white to pale yellow, often adorned with purple markings that attract pollinators such as bees and butterflies. The fruit is a capsule that contains small, flat seeds, which are dispersed by wind or water once mature.

In its natural habitat, Calochortus subalpinus plays a significant ecological role by providing nectar and pollen for various pollinators, thus supporting local biodiversity. The plant is well-adapted to its environment, exhibiting drought tolerance and the ability to thrive in rocky, well-draining soils. Human uses of this species are primarily ornamental, as its striking flowers make it a desirable addition to alpine gardens and natural landscapes. Additionally, its adaptations to high elevations and variable moisture levels make it a resilient choice for gardeners looking to cultivate native flora in challenging conditions.

Care Guide

🌱 Hardiness Zone
Zone 4–8
🪨 Soil
well-drained sandy soil
☀️ Light
full sun to partial shade
💧 Water
moderate moisture
🌿 Fertilization
light application in spring

Plant images courtesy of Wikimedia Commons — a free media repository maintained by volunteers worldwide. Thank you — please consider donating ♥

Browse This Plant's Classification

Domain Eukaryota
Kingdom Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Liliales
Family Liliaceae
Genus Calochortus
Species Calochortus subalpinus