SKU KIR1

Kiryu 14L

19,50 € – 17,50 €

Wholesale Offer: 14L Bags

Mix & Match: Combine promotional products (14L - UNSIEVED and 16L - SIEVED) to get a better price.

Quantity (total in cart) Price / pc.
1 - 19 pcs 19,50 €
20+ pcs 17,50 €

In stock

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Product attributes

Name Values
Bag size 14 L

Product description

This Japanese Kiryuzuna substrate is a premium mineral growing medium widely used by bonsai enthusiasts and professional growers. Produced from naturally occurring volcanic sand, Kiryuzuna is valued for its exceptional drainage, aeration, and long-lasting structure. The particles are carefully sueved in Japan to provide a uniform grain size, making the substrate ready to use straight from the bag.
Why is Kiryuzuna Good?
Excellent Drainage
Kiryuzuna allows excess water to flow freely through the soil, reducing the risk of root rot and preventing waterlogging.
Superior Aeration
Its porous structure ensures a constant supply of oxygen to the roots, promoting vigorous and healthy root growth.
Long-Lasting Stability
Unlike organic soils that break down over time, Kiryuzuna maintains its structure for years, helping to preserve proper soil conditions and drainage.
Rich in Minerals
Kiryuzuna contains natural minerals and trace elements that contribute to healthy plant development.
Slightly Acidic pH
Its mildly acidic nature makes it especially suitable for species that prefer acidic or neutral soil conditions.
Main Applications
Bonsai Trees
Kiryuzuna is particularly popular for conifers and pines, where excellent drainage and root aeration are essential.
Suitable for:
Japanese Black Pine (Pinus thunbergii)
Japanese White Pine (Pinus parviflora)
Junipers
Spruces
Cedars
Other coniferous bonsai
Companion Plants and Accent plants
How to Use
– Use Alone
Fine-grade Kiryuzuna can be used by itself for species that require maximum drainage and aeration.
– Mix with Other Components
Kiryuzuna is commonly blended with:
Akadama
Pumice
Lava rock
Kanuma
Typical bonsai mixes:
Conifers and Pines
50% Akadama
30% Kiryuzuna
20% Pumice
Junipers
40% Akadama
30% Kiryuzuna
30% Lava Rock
Advantages
✓ Professional-quality Japanese substrate
✓ Uniform fine particle size
✓ Outstanding drainage and aeration
✓ Maintains structure for many years
✓ Rich in natural minerals
✓ Ideal for pines, junipers, and other conifers
✓ Suitable for bonsai, orchids, cacti, and succulents
✓ Ready to use without additional preparation

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