Australian Wholesale Nursery :
Genus Species: Banksia spinulosa var. cunninghamii
Common / Product Name: Hairpin Banksia
Habit: LARGE SHRUB (LS) and SMALL TREES (ST)
Height x Width: 2 – 4m x 2 – 5m
Pruning: Prune annually
Frost Tolerance: High
Clay & Heavy Soil Tolerance: Adaptable
Coastal Tolerance: Medium
Drought Tolerance: Medium
Origin: Australian Plant
Flowering: starts: Autumn / ends: Spring
Flower Colour: Yellow
Irrigation: No watering required once established if planted in suitable conditions. Will require water over long dry periods.
Lower Temperatures: Temperatures as low as -5°C for short periods once established. Heavy frosts will cause the plant to die, needs to be planted in protected areas.
Upper Temperatures: Temperatures in the Low 40’s°C will tolerate higher temperatures for short periods.
Fertilising: Slow release low phosphorus fertilizer, supplement with iron to prevent yellowing of leaves.
Environment: Plants selected suitable for Melbourne surrounds and southern states of Australia.