Pinemat

Ceanothus diversifolius

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rhamnaceae
Genus:
Ceanothus
Species:
Ceanothus diversifolius

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Subshrub
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr, may, jun
Bloom Colors:
White, Blue
Ground Cover:
Yes
Landscaping Shrub:
Yes

Native Range

United States: California

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Periploca ceanothiella

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus) Butterflies:Anise Swallowtail (Papilio zelicaon), Anise Swallowtail (Papilio zelicaon), Anna Blue (Plebejus anna), Anna Blue (Plebejus anna), (Pieris rapae), (Pieris rapae), California Marble (Euchloe hyantis), California Marble (Euchloe hyantis), California Sister (Adelpha californica), California Sister (Adelpha californica), California Tortoiseshell (Nymphalis californica), California Tortoiseshell (Nymphalis californica), Clodius Parnassian (Parnassius clodius), Clodius Parnassian (Parnassius clodius), Common Buckeye (Junonia coenia), Common Buckeye (Junonia coenia), Common Checkered-Skipper (Pyrgus communis), Common Checkered-Skipper (Pyrgus communis), Coronis Fritillary (Speyeria coronis), Coronis Fritillary (Speyeria coronis), Echo Azure (Celastrina echo), Echo Azure (Celastrina echo), ⚠️Edith's Checkerspot (Euphydryas editha), Field Crescent (Phyciodes pulchella), Field Crescent (Phyciodes pulchella), Great Basin Fritillary (Speyeria egleis), Great Basin Fritillary (Speyeria egleis), Hoary Comma (Polygonia gracilis), Hoary Comma (Polygonia gracilis), Hoffmann's Checkerspot (Chlosyne hoffmanni), Hoffmann's Checkerspot (Chlosyne hoffmanni), Lilac-bordered Copper (Lycaena nivalis), Lilac-bordered Copper (Lycaena nivalis), Lorquin's Admiral (Limenitis lorquini), Lorquin's Admiral (Limenitis lorquini), Lupine Blue (Plebejus lupini), Lupine Blue (Plebejus lupini), Lustrous Copper (Lycaena cupreus), Lustrous Copper (Lycaena cupreus), Mexican Cloudywing (Thorybes mexicana), Mexican Cloudywing (Thorybes mexicana), ⚠️Monarch (Danaus plexippus), Mourning Cloak (Nymphalis antiopa), Mylitta Crescent (Phyciodes mylitta), Mylitta Crescent (Phyciodes mylitta), Northern Checkerspot (Chlosyne palla), Northern Checkerspot (Chlosyne palla), Northwestern Fritillary (Speyeria hesperis), Northwestern Fritillary (Speyeria hesperis), Orange Sulphur (Colias eurytheme), Orange Sulphur (Colias eurytheme), Pacific Fritillary (Boloria epithore), Pacific Fritillary (Boloria epithore), Pacific Orangetip (Anthocharis sara), Pacific Orangetip (Anthocharis sara), Painted Lady (Vanessa cardui), Painted Lady (Vanessa cardui), Pale Swallowtail (Pterourus eurymedon), Propertius Duskywing (Erynnis propertius), Propertius Duskywing (Erynnis propertius), Rocky Mountain Dotted Blue (Euphilotes ancilla), Rocky Mountain Dotted Blue (Euphilotes ancilla), Sandhill Skipper (Polites sabuleti), Sandhill Skipper (Polites sabuleti), Sheridan's Green Hairstreak (Callophrys sheridanii), Sheridan's Green Hairstreak (Callophrys sheridanii), Sierra Blue (Plebejus podarce), Sierra Blue (Plebejus podarce), Sonoran Skipper (Polites sonora), Sonoran Skipper (Polites sonora), Sooty Hairstreak (Satyrium fuliginosa), Sooty Hairstreak (Satyrium fuliginosa), Spring White (Pontia sisymbrii), Spring White (Pontia sisymbrii), Square-dotted Blue (Euphilotes battoides), Western Pine Elfin (Callophrys eryphon), Western Pine Elfin (Callophrys eryphon), Western White (Pontia occidentalis), Western White (Pontia occidentalis), 🛑Zerene Fritillary (Speyeria zerene), 🛑Zerene Fritillary (Speyeria zerene)

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to chaparral and coastal scrub habitats

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Notes: Seeds may require light for germination.

Source: OpenAI GPT-4o