Description
Professional-Grade Bonsai Soil for Superior Drainage, Aeration & Long-Term Root Health
The most important factor in maintaining a healthy, thriving bonsai tree is using the right soil. Our Professional Bonsai Soil – 20 lbs (10 Quarts) is designed to deliver the perfect balance of drainage, airflow, and moisture retention, helping prevent both overwatering and underwatering.
This premium bonsai soil is created by expanding and vitrifying select shale in a rotary kiln at temperatures exceeding 2,000°F. This process produces a sterile, environmentally inert ceramic granule that remains structurally stable and will not break down or compact over time.
Unlike traditional organic soils, this professional mix dramatically reduces soil compaction—the leading cause of root rot. Its porous structure allows excess water to be absorbed during watering or rain, then slowly released as the soil dries, functioning like a natural time-release moisture system.
An ideal bonsai soil profile consists of:
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25% water
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25% air
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50% solid particulate matter
When soils compact, air and water are forced out, suffocating roots and eliminating beneficial microbial activity. This professional soil maintains open pore space, ensuring roots receive the oxygen, nutrients, and moisture they need for long-term health and vigor.
This larger 20 lb size is perfect for multiple trees, larger bonsai, or full repotting projects, and is the soil we recommend upgrading to at your next repot.
Key Benefits:
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Prevents overwatering and underwatering
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Excellent drainage with superior aeration
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Drastically reduces soil compaction
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Helps prevent root rot
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Neutral pH and non-toxic
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Sterile and environmentally inert
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Will not degrade over time
Specifications:
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Volume: 10 Quarts (20 lbs)
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Material: Expanded vitrified shale (ceramic granules)
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pH: Generally neutral
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Use: All bonsai trees and container-grown plants
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