Santa Rosa Island Manzanita

Arctostaphylos confertiflora

Ericaceae · broadleaf evergreen shrub · introduced

Last updated March 8, 2026

Data Coverage 1 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

5 ft

Light

Full Sun

Origin

the Channel Islands, i

Diseases (5)

Thielaviopsis basicola Black Root Rot Abiotic or fungal Leaf Gall Symptom category — not a single disease Leaf Spot Phytophthora spp. Phytophthora Dieback Thekopsora minima and Naohidemyces vaccinii Rust

Pests (3)

Aphidoidea Aphid Otiorhynchus spp. Root weevil Tamalia coweni Aphid (Manzanita leafgall aphid)