Callistemon 'Harkness'

Callistemon 'Harkness' (cultivated, labelled), Peter Francis Points Arboretum, Coleraine, Victoria

Photograph by Melburnian. Some rights reserved. (view image details)

Callistemon 'Harkness' shrub

Photograph by Tangopaso. License: Public Domain. (view image details)

Growth Characteristics information is sourced from: State Flora Catalog, Government of South Australia Licensed under Creative Commons CC BY 4.0 license.

PLANT FACTS

Other Names
Callistemon 'Gawler', Callistemon 'Gawler Hybrid'.

Description
Callistemon 'Harkness' produces long dense bottlebrush flower spikes that grow up to 15 cm long, and are red in colour. The cultivar is named Mr. GLJ Harkness of Gawler, South Australia. It was accepted for registration with Australian Cultivar Registration Authority (ACRA) in May 1978.

Distribution
South Australia

Growth Characteristics
Height (m): 5 - 8
Spread (m): 3 - 6
Soil Texture: sand, loam, clay, limestone
Soil pH: acid soils, neutral soils, alkaliine soils
Frost Sensitivity: moderately sensitive
Minimum Rainfall (mm): 450
Flower Colour: red
Flower Season: spring, summer

(source: SA State Flora Catalog)

Propagation
seed,

Wildlife Interest
birds, nectar

Classification

Class:	Magnoliopsida
Order:	Myrtales
Family:	Myrtaceae
Genus:	Callistemon
Variety:	'Harkness'

Relatives in same Genus
  Callistemon brachyandrus
  Callistemon citrinus 'Firebrand'
  Callistemon citrinus 'Splendens'
  Callistemon citrinus
  Callistemon glaucus
  Callistemon linearis
  Callistemon montanus
  Callistemon pachyphyllus
  Callistemon pallidus
  Callistemon pearsonii
  Callistemon phoeniceus
  Callistemon pinifolius
  Callistemon pityoides
  Callistemon polandii
  Callistemon rugulosus
  Callistemon salignus
  Callistemon teretifolius
  Callistemon viminalis 'Hannah Ray'
  Callistemon viminalis 'Wildfire'
  Callistemon viminalis
  Callistemon 'Eureka'
  see A-Z list for more ...