Calochortus howellii

(c) Dayne Galash, some rights reserved (CC BY-NC), uploaded by Dayne Galash via iNaturalist

Species

Howell’s Mariposa Lily

Calochortus howellii

Howell's Mariposa Lily is a striking perennial with elegant flowers, native to the western United States.

Also known as: Howell's Mariposa Lily

Calochortus howellii, commonly known as Howell’s Mariposa Lily, is native to the western United States, particularly thriving in California and Oregon. This perennial herb typically grows to a height of 12 to 24 inches, exhibiting a graceful, upright form with slender, linear leaves that can reach up to 12 inches in length. The plant is characterized by its striking flowers, which bloom in late spring to early summer, showcasing a delicate arrangement of white to pale yellow petals adorned with purple markings, attracting various pollinators, including bees and butterflies. The fruit is a capsule that contains several seeds, which are dispersed by wind or water once mature, contributing to the plant’s propagation in its native habitats.

Howell’s Mariposa Lily plays a vital ecological role in its environment, providing nectar and pollen for pollinators while also serving as a food source for various herbivores. Its adaptations to survive in well-drained soils and its ability to thrive in areas with seasonal drought make it a resilient species. Human uses include its ornamental value in gardens and landscapes, where it is appreciated for its beauty and low maintenance requirements. Additionally, the plant has been used traditionally by indigenous peoples for its edible bulbs, showcasing its significance in both ecological and cultural contexts.

Care Guide

🌱 Hardiness Zone
Zone 5–8
🪨 Soil
well-drained sandy
☀️ Light
full sun
💧 Water
moderate
🌿 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 howellii