Premium-grade Black Scoria is a naturally occurring volcanic rock prized by bonsai enthusiasts and horticultural practitioners for its exceptional drainage, aeration, and long-term durability.
Sourced and graded to a consistent 3–6mm particle size, this lightweight volcanic aggregate helps create a healthy root environment by maintaining excellent oxygen exchange while preventing waterlogging. Its stable structure resists breakdown over time, making it an ideal component in premium bonsai soil blends and long-term cultivation projects.
Black Scoria is commonly incorporated into bonsai substrates to improve drainage, increase pore space, and support vigorous root development across a wide range of species.
Benefits
• Premium-grade volcanic Black Scoria
• Consistent 3–6mm particle size
• Excellent drainage and aeration
• Promotes healthy root growth
• Helps prevent soil compaction
• Long-lasting and highly durable
• Improves oxygen exchange within the root zone
• Ideal for bonsai soil blends and general horticulture
Suitable For
• Pines
• Junipers
• Native Australian Species
• Deciduous Bonsai
• Broadleaf Evergreens
• Succulents & Cacti
• General Horticulture Applications
Common Uses
• Bonsai soil blends
• Drainage layers
• Root development projects
• Nursery stock cultivation
• Succulent and cactus growing media
• Water-wise garden applications
Particle Size: 3–6mm
Weight: 20kg
Colour: Black
Origin: Natural Volcanic Scoria
*AUS/NZ SHIPPING ONLY*
