Leucadendron Red Gem

Red Gem

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Leucadendron Red Gem
  • Leucadendron Red Gem
  • Leucadendron Red Gem
Red Gem

Red Gem

Leucadendron salignum x laureolum

Leucadendron Red Gem is a spectacular evergreen Proteaceae hybrid admired for its intense ruby-red seasonal colour, strong upright growth and exceptional ornamental appeal. A hybrid of Leucadendron salignum and Leucadendron laureolum, this vibrant variety combines the rich colouring and hardiness of its parent species with outstanding performance in Australian gardens and floral production.

Producing masses of vivid red bracts through autumn and winter, Leucadendron Red Gem creates a bold display of colour when many other plants are dormant. The colourful foliage intensifies in cooler weather, contrasting beautifully against its fine evergreen leaves and making it a standout feature in contemporary landscapes, coastal gardens and native-inspired plantings.
Plant Info

Plant Dimensions: H: 2.0m x W: 1.5m
Flowering Time: Winter
Position: Full Sun
Water Usage: Low
Frost Tolerance: Moderate
Soil Type: Drained acidic soil, Low pH
Suitable For: Home Garden, Floristry
Growing Instructions

Climate & Position
Leucadendrons thrive in:

• Full sun positions
• Open, well-ventilated areas
• Coastal and exposed gardens
• Mild to warm climates

For best colour and flowering performance, plants should receive at least 6 hours of direct sunlight daily.


Soil Requirements
Excellent drainage is essential.

Leucadendrons prefer:

• Free-draining soil
• Slightly acidic soil conditions
• Sandy or loamy soils
• Raised garden beds where drainage is poor

Avoid:

• Heavy clay soils
• Waterlogged positions
• Poorly drained garden beds

If required, improve drainage by incorporating coarse sand or creating raised mounds.


Water Requirements

During Establishment:

• Water regularly for the first 12–18 months
• Allow soil to partially dry between watering
• Deep watering is preferable to frequent shallow watering

Once Established:

• Leucadendrons are highly drought tolerant
• Water only during extended dry periods

Overwatering is one of the most common causes of plant decline.


Fertilising
Leucadendrons are sensitive to phosphorus.

Use:

• Low-phosphorus fertilisers formulated for native plants or Proteaceae

Avoid:

• General-purpose fertilisers high in phosphorus
• Animal manures and excessive compost applications

Apply fertiliser lightly during spring and autumn if required.


Mulching

Apply mulch to:

• Help retain moisture
• Regulate soil temperature
• Suppress weeds

Keep mulch clear of the main stem to prevent rot.

Suitable mulches include:

• Pine bark
• Leaf mulch
• Gravel
Care & Maintenance

Pruning
Regular pruning helps maintain:

• Dense growth
• Better flowering
• Improved stem production
• Plant shape and longevity

General Pruning Guide

• Lightly prune after flowering or after coloured bracts fade
• Remove approximately 10–20cm of stem growth where suitable
• Avoid cutting into old bare wood without foliage

Tip pruning young plants encourages bushier growth and stronger structure.

*Refer to detailed 'Leucadendron Pruning Guide' for more details*


Frost & Climate

Many Leucadendrons tolerate light frost once established, though protection may be beneficial for young plants in colder regions.

They are especially well suited to:

• Warm climates
• Coastal gardens
• Temperate Australian regions


Growing Leucadendrons in Pots
Many varieties perform exceptionally well in large pots.

For container growing:

• Use premium free-draining native potting mix
• Ensure excellent drainage holes
• Position in full sun
• Avoid overwatering

Repot as required to maintain healthy root development.


Cut Flower Harvesting
Leucadendrons are highly valued in floristry due to their:

• Long vase life
• Colourful bracts
• Strong stems
• Year-round foliage interest

Regular harvesting can also help promote bushier plant growth.
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