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...
Cupressus macrocarpa 'Goldcrest' (Castlewellan Gold)
- Regular price
- $550.00
- Sale price
- $550.00
- Regular price
-
Tax included.
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A GRADE STOCK, EVERY TIME.
Learn About Your New Cupressocyparis leylandii ' - Castlewellan Gold Leyland Cypress
Thuja occidentalis 'Castlewellan Gold', commonly known as Castlewellan Gold, is a fast-growing conifer celebrated for its vibrant golden-yellow foliage that brightens gardens all year round. Its upright, conical form makes it a versatile choice for hedging, screening, or as a striking standalone specimen.
Reaching a mature height of 3–4 meters and spreading 1.5–2 meters wide, Castlewellan Gold thrives in full sun to partial shade and tolerates frost and urban pollution, making it well-suited to a variety of environments. With moderate drought tolerance and low maintenance needs, this evergreen conifer requires only occasional pruning when shaped as a hedge and regular watering during dry periods.
Castlewellan Gold looks excellent when you want to add a splash of color and structure to your landscape—whether in a neat hedge or as a vibrant focal point that stands out in any garden setting.
Plant Profile
Planting & Spacing Tips
Post Planting Care
Tips for Various Soil Types
1. Botanical & Physical Characteristics
BOTANICAL NAME:
Cupressocyparis leylandii '
GENUS:
Cupressus
BOTANICAL SPECIES:
leylandii
COMMON NAME:
Castlewellan Gold Leyland Cypress
FAMILY:
Cupressaceae
EVERGREEN / DECIDUOUS:
Evergreen (foliage year round)
FOLIAGE TYPE
FORM & SHAPE
2. Growth & Environmental Conditions
GROWTH RATE
EXPECTED GROWTH PER YEAR
Approx. 60 – 100 cm per year
MATURE HEIGHT
5m - 10m Approximately
MATURE WIDTH
3m – 6m
SUNLIGHT EXPOSURE
FROST TOLERANCE
Frost Tolerant – Can handle light to moderate frost once established.
AUSTRALIAN NATIVE?
No
3. Practical Uses & Flowering
USES:
FLOWER COLOUR
Yellow
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 Cupressus macrocarpa 'Goldcrest' (Castlewellan Gold) in Various Soil Types
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