Banksia marginata

Size: 100L
Sale price$555.00

Banksia marginata – Silver Banksia is a hardy and adaptable Australian native that thrives in diverse environments, from coastal dunes to inland slopes. Typically growing up to 10 metres tall, it may stay smaller and shrub-like in harsher conditions. Its narrow green leaves reveal silvery undersides, creating soft contrast and visual texture year-round.

Striking yellow flower cones appear primarily in winter and spring, attracting birds and pollinators. Banksia marginata – Silver Banksia tolerates wind, coastal exposure, and poor soils, making it a reliable choice for feature planting, screening, or habitat restoration. It requires little maintenance beyond occasional pruning and performs best in full sun with well-drained soil.

Please note, as living products, our trees naturally vary in size and appearance throughout the seasons. The photos on our website are provided as a helpful guide, but may not always reflect our current batches. We always aim to deliver stock as pictured, but some variation is to be expected. For up-to-date sizing, please refer to our current height guide. If you’d like to see photos of our current stock, just let us know—we’re happy to send them!

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About This Tree

Botanical Profile

Explore the essential characteristics and growth habits of this plant, curated to assist you in making an inspired and confident choice for your landscape.

Mature Height & Width

Mature Height:

Mature Width:

3m – 4m

Expected Growth Pear Year

Approx. 30 – 50 cm per year

Evergreen/ Deciduous

Evergreen (foliage year round)

Frost Tolerance

Frost Hardy – Survives heavy and frequent frost without damage.

Sunlight Tolerance
  • Full Sun
Form & Shape

Banksia marginata is considered:

  • Upright
  • Rounded
  • Broad
  • Shrub
Australian Native?

Yes

Flowering Information

Flower Colour: Yellow

Flower Type:

  • Fluffy

Flowering Period

  • Year-Round
Foliage Type / Shape
  • Linear

As Featured In

Here Is What Customers Like You Frequently Ask

FAQ

Frequently Asked Questions

  • Is Silver Banksia suitable for coastal gardens? Yes, it's tolerant of sea breezes and saline conditions.
  • How often does it bloom? Primarily in winter and spring, though occasional flowering can occur throughout the year.
  • What wildlife can it attract? Its flowers are a food source for nectar-feeding birds and insects.

About

Planting Guide

Plant Spacing

Hedging & Screening: 1m – 1.5 m – Compact and adaptable for native hedge use

Feature Tree: 2m – 3m – Neat growth habit and good foliage interest

Avenue Planting Trees: 2.5m – 3.5m – Great for native-themed small avenues

How to Plant Banksia marginata

How to Plant Banksia marginata

  1. Location Selection: Choose a well-draining spot with access to sunlight.
  2. Soil Preparation: Adaptable to a range of soils but prefers slight acidity.
  3. Digging: Make a hole twice the size of the root ball.
  4. Planting: Place the tree in the hole, fill with soil, and compact gently.
  5. Initial Watering: Water thoroughly after planting.

Root Ball Dimensions (Width × Depth) For Planting

Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.

  • 30cm Pot: 33cm (W) × 30cm (D)
  • 40cm/45L Pot: 44cm (W) × 41.5cm (D)
  • 50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
  • 100L Bag: 50.6cm (W) × 52.8cm (D)
  • 150L Bag: 66cm (W) × 55cm (D)
  • 200L Bag: 71.5cm (W) × 60.5cm (D)
  • 300L Bag: 88cm (W) × 63.8cm (D)
  • 400L Bag: 99cm (W) × 66cm (D)
  • 500L Bag: 122cm (W) × 66cm (D)
  • 750L Bag: 134cm (W) × 69cm (D)
  • 1000L Bag: 146.3cm (W) × 71.5cm (D)
  • 2000L Bag: 176cm (W) × 82.5cm (D)

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