Calico Monkeyflower (Diplacus pictus) is an extremely rare and visually striking annual wildflower endemic to the Sierra Nevada foothills of California. The intricate, multicolored blooms feature purple, vein-like patterns on a white calyx, giving flowers the arresting appearance of a bloodshot eye. This member of the Phrymaceae family is found in vernal pools and seasonal wet habitats, making it a unique and ecologically valuable plant. As a federally listed endangered species, conservation efforts are critical to both preserving its delicate habitats and ensuring its continued survival. Due to its highly restricted range and dependency on vernal pools, it faces significant threats from habitat destruction, agriculture, and urban development.
Blooming in spring, Calico Monkeyflower provides an essential nectar source for native pollinators, including solitary bees and flies. Its specialized flowers are adapted for insect and hummingbird pollination, and the plant plays a role in supporting the biodiversity of its native ecosystem. As an endangered species, growing Calico Monkeyflower is often limited to controlled conservation and restoration settings.
Calico Monkeyflower thrives in seasonal wetlands and requires moist, well-drained soils during its growing season. It prefers full sun and is particularly well-suited to vernal pools and other ephemeral habitats. Seeds need fall planting to mimic natural conditions, as they require winter moisture and cold stratification for successful germination. In colder climates, young plants may struggle early in the season before temperatures warm. Although its specific habitat needs can make it difficult to grow in traditional garden settings, Calico Monkeyflower is a meaningful addition to ecological restoration projects in California aimed at preserving vernal pools and wetland ecosystems.
Calico Monkeyflower - Diplacus pictus
Scientific Name Diplacus pictus Seeds in Pack ~500 / 0.1 g USDA Zone 8 - 10 Native Region Endemic to the Sierra Nevada foothills, California Phenology Annual Height 4 - 12" Light Requirement Full Sun Water Requirement Moderate Soil Type Well-drained, damp; Sand, Loam, Gravel Germination Time 14-30 days with fall sowing; requires winter moisture and cold stratification Provenance WA Planting Season Fall, early Spring Bloom Season Spring Pollinators Solitary Bees, Hummingbirds, Flies