Castilleja gleasoni
Endemic to California's Mount Gleason area in the San Gabriel Mountains, this perennial hemiparasitic herb produces scarlet inflorescences that bloom April–July, is rare (CA 1B.2), and is Mount Gleason–associated as documented on iNaturalist.
Common Names
Mount Gleason Paintbrush
Summary
Mount Gleason Paintbrush is native to California, specifically the San Gabriel Mountains, and is a perennial herb (also described as annual and perennial) that is a hemiparasite on host plants. It is distinguished by branched hairs throughout and yellow flowers.
Nurseries do not currently stock Mount Gleason Paintbrush. Cultivation would require host plants, with host plants likely belonging to a known genus, and verification of individual plants would be needed. It supports wildlife such as caterpillars and butterflies.
Lifecycle
Perennial
Height
20 inches
Spread
12-18 inches
Sunlight Requirements
Ideally full sun to partial shade.
Soil Type
Well-draining sandy or loamy soil with pH 6.0–6.5
Soil Drainage
Well-drained soil (sandy or loamy); avoid wet, waterlogged soil.
Soil pH
6.0-6.5, Slightly acidic to neutral
Bloom Color
Yellow
Bloom Time
Spring and Summer
Foliage Color
Yellow-green
Fall Foliage Color
Yellow
Growth Rate
Moderate
Seasons of Interest
Spring and Summer
Propagation Methods
Seeds, stem cuttings, division
Attracts Wildlife
Attracts bees, butterflies, and other pollinators
Taxonomy
- Taxonomic Rank
- Species
- Author
- Elmer
- Publication
- Bot. Gaz. 39: 51 (1904)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Lamiales
- Family
- Orobanchaceae
- Genus
- Castilleja
Synonyms
Castilleja pruinosa subsp. gleasonii Castilleja pruinosa subsp. gleasoni