Nursery Direct
Bottlebrush Callistemon ‘Harkness’ - Callistemon ‘Harkness’
Premium advanced landscape stock selected for residential, estate and commercial projects.
Looking for a larger size?
sizes shown are confirmed available stock. If you require larger specimen, project quantities or specific sizes not listed, our sourcing team can locate additional stock through our national supplier network.
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Overview & Specifications
Bottlebrush Callistemon 'Harkness' - Callistemon 'Harkness'
Callistemon 'Harkness' is a refined Australian native delivering vivid crimson flowering displays, a naturally compact form, and proven resilience across a broad range of conditions. At advanced size, it arrives ready to perform, no establishment lag, immediate presence.
Why Callistemon 'Harkness'
Vivid crimson flowering: Dense bottlebrush blooms in spring and summer with reliable repeat flowering, providing sustained seasonal colour.
Australian native provenance: Genetically adapted to local climates, demanding minimal water and inputs once established.
Compact, structured habit: Naturally tidy growth to 3–4 metres suits managed landscapes and formal native plantings without constant intervention.
Fauna activation: Consistently draws honeyeaters and pollinating species, supporting biodiversity outcomes on prestige projects.
Coastal and exposed site performance: Tolerates wind, salt air, and challenging conditions where lesser species fail.
Ideal Applications
Specimen feature planting: Delivers year-round structure and seasonal flowering impact as a standalone specimen on prestige properties.
Native screening and hedging: Responds well to shaping; suitable for informal privacy screens and boundary definition at scale.
Coastal and exposed landscapes: A reliable choice for seaside developments and wind-affected sites requiring low-input planting.
Biodiversity and ecology planting: Well suited to projects where fauna attraction and native habitat value are design requirements.
Specimen & Installation
Spacing (screening/hedge): 1.5–2m
Spacing (feature/avenue): 3–4m
Planting Season: Spring or autumn
Soil & Drainage: Well-drained soils; tolerates poor, sandy or clay soils; drought tolerant once established
Establishment Care: Water deeply once or twice a week for the first 6–12 months until established. Apply a layer of mulch around the base to retain moisture and suppress weeds.
Plant Details
Height: 3–4m
Width: 2–3m
Growth Rate: Fast
Foliage: Evergreen
Light: Full sun
Native to: Australia
Flower Colour: Red
Delivery
Specialist transport for advanced stock
Large trees and advanced stock are delivered using our specialist transport network. Delivery costs vary based on size, quantity and location. For larger orders or difficult access, request project pricing before purchasing.
Installation
Professional installation available
Nursery Direct can arrange professional installation of advanced trees, specimen palms and landscape stock throughout many areas of Australia. Installation pricing varies depending on access, machinery requirements, tree size, planting conditions and location.
Request Installation QuoteWhy Nursery Direct
Built for serious landscapes
Nursery Direct gives customers access to mature trees, specimen palms and advanced stock for high-end residential and commercial landscapes.
- Mature trees and specimen palms
- Online ordering and project support
- Sourcing for hard-to-find stock
- Residential and commercial supply
