Mornington Peninsula Coastal Garden
A layered, resilient coastal garden designed to withstand harsh salt winds and seasonal extremes. This Mornington Peninsula property features a cur...
Eucalyptus polyanthemos - Red Box
- Regular price
- $250.00
- Sale price
- $250.00
- Regular price
-
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A GRADE STOCK, EVERY TIME.
Learn About Your New Eucalyptus polyanthemos - Red Box
Eucalyptus polyanthemos, commonly known as Red Box, is a resilient and striking Australian native tree celebrated for its dense canopy, textured fibrous bark, and unique blue-grey foliage. Growing 10–15 metres tall and spreading 6–10 metres wide, this medium-sized evergreen tree brings both structure and soothing colour to a wide range of landscapes—from native habitat gardens to contemporary rural settings.
Its standout feature is the foliage, with soft, rounded juvenile leaves giving way to elliptical, silver-blue adult leaves that contrast beautifully with natural elements like stone or timber. Creamy-white flower clusters appear in spring to early summer, attracting bees, birds, and other pollinators, adding life and movement to your outdoor space.
Thriving in full sun and adapting to most well-drained soils, Red Box is highly drought-tolerant once established and requires minimal maintenance. Its rough, grey to brown bark adds texture and character year-round. Best suited to spacious areas, this tree excels as a feature specimen, habitat garden addition, rural windbreak, or streetscape tree.
It looks excellent in natural and designed landscapes alike, offering enduring beauty and native charm with effortless care—ideal for anyone seeking a dependable and elegant evergreen native tree.
Plant Profile
Planting & Spacing Tips
Post Planting Care
Tips for Various Soil Types
1. Botanical & Physical Characteristics
BOTANICAL NAME:
Eucalyptus polyanthemos
GENUS:
Eucalyptus
BOTANICAL SPECIES:
polyanthemos
COMMON NAME:
Red Box
FAMILY:
Myrtaceae
EVERGREEN / DECIDUOUS:
Evergreen (foliage year round)
FOLIAGE TYPE
FORM & SHAPE
2. Growth & Environmental Conditions
GROWTH RATE
EXPECTED GROWTH PER YEAR
Approx. 0.8 – 1.3 m per year
MATURE HEIGHT
10m - 20m Approximately
MATURE WIDTH
6 – 10 m
SUNLIGHT EXPOSURE
FROST TOLERANCE
Frost Hardy – Survives heavy and frequent frost without damage.
AUSTRALIAN NATIVE?
Yes
3. Practical Uses & Flowering
USES:
FLOWER COLOUR
Cream
FLOWER TYPE
FLOWERING PERIOD
Planting Tips
Plant Spacing
Ensuring A Strong Start
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: 49.5cm (W) × 35.2cm (D)
- 70L Pot: 55cm (W) × 41.8cm (D)
- 100L Bag: 50.6cm (W) × 52.8cm (D)
- 100L Pot: 66cm (W) × 49.5cm (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)
Post Planting Care
When planting a new tree or shrub, proper watering is essential to ensure healthy establishment and long-term growth. Follow these guidelines to give your plant the best start:
- Immediately After Planting:
Water generously right after planting to settle the soil around the roots and eliminate air pockets. This helps the roots make good contact with the soil. - First Three Months (Establishment Phase):
The initial three months are critical for root development. Water deeply twice daily (morning and evening) to encourage strong, deep root growth. - Irrigation Systems:
If using an irrigation system, adjust it to provide adequate water during the establishment phase. Ensure the water reaches the root zone without overwatering. - Weather Considerations:
Adjust watering based on weather conditions. Increase frequency during hot, dry periods and reduce it during cooler, wetter seasons. - Ongoing Care:
After the establishment phase (3 months), gradually reduce watering frequency but ensure the plant receives consistent moisture, especially during dry spells.
Long Term & Ongoing Care
Growing Your Eucalyptus polyanthemos - Red Box in Various Soil Types
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FAQ
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