Banksia ilicifolia, commonly known as holly-leaved banksia, is a tree in the family Proteaceae. Endemic to southwest Western Australia, it belongs to Banksia subg. Isostylis, a subgenus of three closely related Banksia species with inflorescences that are dome-shaped heads rather than characteristic Banksia flower spikes. It is generally a tree up to 10 metres (33 ft) tall with a columnar or irregular habit. Both the scientific and common names arise from the similarity of its foliage to that of the English holly Ilex aquifolium; the glossy green leaves generally have very prickly serrated margins, although some plants lack toothed leaves. The inflorescences are initially yellow but become red-tinged with maturity; this acts as a signal to alert birds that the flowers have opened and nectar is available.
Holly-Leaved Banksia has strong disease resistance and is typically not prone to diseases. Regarding care, this plant is fairly low maintenance. When grown outdoors it needs minimal watering, and larger plants usually do not require pruning. Smaller plants, however, should be pruned after they have bloomed. Holly-Leaved Banksiat is suitable for anyone with outdoor space, such as a garden or deck, and does not need a great deal of care experience.
How to keep Banksia Ilicifolia.
Light
Holly-Leaved Banksia comes from open habitats, such as sunny meadows and forest edges, which provide abundant light. It thrives in Full Sun but can also tolerate Partial Sun, adapting well to a range of sunlight conditions.
Temperature
Holly-leaved Banksia is highly adaptable to a range of climate conditions, from very hot summers to cold winters. However, it does have a preferred temperature range for healthy growth. If temperatures become too high, the plant is susceptible to heat and humidity stress, which can lead to death. In areas where temperatures approach the lower limit of its cold tolerance, it is important to provide insulation to protect the plant.
Fertilizer
Fertilize your Holly-Leaved Banksia in early spring to encourage healthy growth. Regular feeding boosts the plant’s overall health, producing vigorous growth, greater tolerance of harsh conditions, and improved resistance to pests and diseases. Follow a consistent fertilization schedule for your Holly-Leaved Banksia to keep the foliage vibrant, richly colored, and lush in appearance.
Pruning
To keep your banksia ilicifolia in optimal health, prune it in early spring by removing up to one-third of its foliage. This practice encourages fresh growth and boosts flowering, while also improving air circulation and light penetration—both of which are essential for the plant's overall vitality.
Botanical profile.
- Plant Type
- Tree, Shrub
- Life Cycle
- Perennial
- Genus
- Banksia
- Family
- Proteaceae
- Hardiness Zone
- 9-11
- Mature Height
- 4.88 m to 10.06 m
- Mature Spread
- 3.96 m to 6.1 m
- Leaf Color
- Dark Green
- Leaf Type
- Evergreen
- Flower Color
- Yellow, Cream, Orange
- Flower Size
- 10.16 cm to 15.24 cm
- Bloom Time
- Winter, Early spring, Mid spring
- Planting Time
- Autumn, Winter
- Harvest Time
- Spring, Early summer, Mid summer
