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Ceiba speciosa – Silk Floss Tree

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Size: 750L

750L

All stock is grown, maintained and graded in strict accordance with AS 4373-2007, Australian Standard for Nursery Stock.

Current Stock Height Guides

Height guide disclaimer: Height ranges are approximate only. As living products, plant heights naturally vary between individual plants, batches, and seasons. No guarantee is given that supplied plants will fall within the stated range. If minimum heights are required, you mustconfirm current batch heights with Evergreen Trees Direct prior to purchase. Variation in height is normal and is not grounds for return, refund, replacement, or compensation.

Mature Height & Width

Mature Height: 10m - 20m

Mature Width: 8m - 15m

Ceiba speciosa – Silk Floss Tree is expected to grow 60cm - 1.2m per year under suitable conditions.

Root Ball Dimensions

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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Phone: (03) 7042 3318

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About Your New Ceiba speciosa – Silk Floss Tree

Ceiba speciosa, commonly known as Silk Floss Tree, is a spectacular deciduous feature tree prized for its striking pink flowers, distinctive swollen trunk, and dramatic architectural presence. During late summer and autumn, the canopy becomes covered in large hibiscus-like blooms, creating one of the most impressive flowering displays of any ornamental tree.

This fast-growing tree develops a broad canopy and a characteristic bottle-shaped trunk often adorned with ornamental conical spines. It performs best in full sun and well-drained soils and is highly tolerant of heat, drought, and urban conditions once established. The lush green foliage provides valuable shade through the warmer months before dropping in winter.

They look excellent when used as feature trees, avenue plantings, parkland specimens, and statement landscape trees where their unique trunk and spectacular flowering display can be fully appreciated. Its combination of drought tolerance, fast growth, and exceptional ornamental value makes it a standout choice for larger gardens and landscapes.

Uses in my Garden

Avenue Planting
Shade Tree

Ceiba speciosa – Silk Floss Tree works in an:

Contemporary / Architectural Garden – striking forms for bold design statements.
Tropical Garden – lush, leafy planting for a resort-style atmosphere.
Mediterranean Style Garden – timeless courtyard look with stone, pots, and bold greenery.

Is Ceiba speciosa – Silk Floss Tree Evergreen or Deciduous?

Ceiba speciosa – Silk Floss Tree is an Deciduous (Defoliates throughout colder months) Tree

Mature Height & Width

Mature Height: 10m - 20m

Mature Width: 8m - 15m

Ceiba speciosa – Silk Floss Tree is expected to grow 60cm - 1.2m per year under suitable conditions.

Growth Rate of Ceiba speciosa – Silk Floss Tree

Ceiba speciosa – Silk Floss Tree is expected to grow 60cm - 1.2m per year under suitable conditions.

They are considered to have a:

Fast Growth Rate

Frost Tolerance & Ideal Climate to plant Ceiba speciosa – Silk Floss Tree

Is Ceiba speciosa – Silk Floss Tree frost tolerant?

Ceiba speciosa – Silk Floss Tree is Frost Tolerant – Can handle light to moderate frost once established.

Does Ceiba speciosa – Silk Floss Tree Flower?

Ceiba speciosa produces masses of large showy pink flowers with creamy-white centres during autumn. The blooms create a spectacular display across the canopy, bringing vibrant seasonal colour and strong ornamental impact. Flowering is often enhanced as the foliage begins to thin, allowing the blossoms to become a striking feature.

Does Ceiba speciosa – Silk Floss Tree flower?

Yes - Flowers

Flowering Period:

Summer
Autumn

Flower Type:

Not Applicable

Flower Colour:

Pink

Is Ceiba speciosa – Silk Floss Tree an Australian Native Tree?

No

Ceiba speciosa – Silk Floss Tree is Native to Brazil, Argentina, Paraguay, and Bolivia.

What is the Wildlife Value of Ceiba speciosa – Silk Floss Tree ?

Its large nectar-rich flowers attract bees and other beneficial pollinators throughout the flowering season, supporting biodiversity within ornamental landscapes. The broad canopy also provides seasonal shelter and habitat for birds and beneficial insects throughout the year.

How much Sunlight does Ceiba speciosa – Silk Floss Tree need?

Ceiba speciosa – Silk Floss Tree will thrive best in:

Full Sun

Preferred Soil?

Ceiba speciosa performs best in well-drained loam or sandy soils with a neutral to slightly alkaline pH. It will also tolerate poorer soils provided drainage remains reliable. Avoid heavy clay or persistently wet conditions unless significantly improved, as excess moisture can reduce root health and overall vigour. Allow the soil to dry slightly between watering once established to maintain healthy growth and flowering performance.

Is Ceiba speciosa – Silk Floss Tree Drought Tolerant?

Is Ceiba speciosa – Silk Floss Tree Drought tolerant?

As a young tree it benefits from regular watering to establish a healthy root system, particularly during warmer weather. Once established, Silk Floss Trees show excellent drought tolerance and perform reliably through extended dry periods with minimal supplementary watering.

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How To Plant Your Ceiba speciosa – Silk Floss Tree

Site: Choose a well-drained position in full sun to part shade with room for the canopy to develop.

Soil preparation: Enrich the planting area with quality compost and aged manure for a strong establishment phase.

Hole: Dig twice as wide as the root ball and the same depth.

Planting: Position level with the surrounding soil, backfill gently, firm in, then water deeply to settle the roots.

Recommended Planting Spacing For Your Ceiba speciosa – Silk Floss Tree

Feature tree: 3 to 4 metres apart to allow the full canopy and form to develop.

Avenue planting: 3 metres apart for a uniform soft-textured avenue.

Ceiba speciosa – Silk Floss Tree is expected to grow 60cm - 1.2m per year under suitable conditions.

Fast Growth Rate

Long Term Care For Your Ceiba speciosa – Silk Floss Tree

Watering: Water deeply twice weekly through the first 12 months. Once established, reduce to once weekly in dry periods. Mulch helps maintain consistent moisture.

Mulching: Apply a 5 to 7 centimetre layer of organic mulch over the root zone, keeping it 5 centimetres clear of the trunk.

Pruning: Minimal pruning required. Light tip prune in late winter to maintain shape if used as hedging or screening. For a clear trunk feature, remove lower branches as the tree grows.

Fertilising: Apply a slow-release general-purpose fertiliser in early spring and again in autumn for steady growth and consistent foliage colour.

Pest and disease: Hardy against most pests and diseases. Occasional scale or caterpillar inspection in warm humid conditions is all that's needed.

Planting Your Ceiba speciosa – Silk Floss Tree in Different Soil

Ceiba speciosa performs best in well-drained loam or sandy loam with a slightly acidic to neutral pH. Adaptable to a wide range of soils when drainage is improved with organic matter.

Sandy soil: Free-draining and ideal. Mulch well to maintain consistent moisture.

Clay soil: Improve drainage with gypsum and organic compost before planting.

Loam: The preferred soil for steady root development and consistent growth.

pH: Slightly acidic to neutral preferred. Mulch with composted leaf litter to maintain levels naturally.