Holly

Grevillea aquifolium

Proteaceae · broadleaf evergreen shrub · introduced

Last updated May 11, 2026

Quick Facts

Height

3 ft

Light

Full Sun to Part Shade

Hardiness

Zone Zones 8a–8b

Origin

Australia, endemic to South Australia and Victoria

Phytophthora Root RotModerate

Growing Season Stress Expression

Sooty MoldModerate

Scale Insect Emergence and Honeydew Production

AphidModerate

Spring Colonization

Lecanium scaleModerate

Spring Feeding & Egg Production

+ 1 more — see full disease and pest lists below

Diseases: Regionally Documented (8)

Many commercial Boron Deficiency Green algae Green Algae Symptom category — not a single disease Leaf Spot Phytophthora ilicis Phytophthora Leaf and Twig Blight Phytophthora spp. (P Phytophthora Root Rot Several factors Red Leaf Spotting Venturia spp. — multiple host-specific species: V Scab Fumago vagans Sooty Mold

Pests: Regionally Documented (8)

Aphidoidea Aphid Coccus hesperidum Brown soft scale Pulvinaria floccifera Cottony camellia scale Rhopobota naevana Holly bud moth Phytomyza ilicis Holly leafminer Leafroller (Orange tortrix) Parthenolecanium spp. Lecanium scale Otiorhynchus spp. Root weevil

Data Maturity

Structured Multiple sources. Expert review underway.