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Pumice / Pumice Stone (3-8mm)

Name: Pumice / Pumice Stone (3-8mm) | Tsuki Bonsai
SKU: C250313
Price: 21.00 EUR
Availability: InStock

21,00€

Pumice in 14L or 10KG bag

Granulometry: 3-8mm

This natural pumice, sourced from cooled lava, offers unbeatable drainage and exceptional aeration while retaining just enough moisture for thriving roots. Its porous texture and featherlight weight make it a perfect ally for a robust and balanced root system, ideal for use on its own for all bonsai species that don’t require excessive water. It can also be mixed with other substrates like akadama.

1 in stock (can be backordered)

SKU: C250313 Categories: Culture, Substrates – Soils

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Delivery information

Free delivery from 80€

Standard delivery 2-5 working days

Description

Pumice (pumice stone) is a volcanic substrate highly valued in the art of bonsai for its unique properties, making it a versatile and high-performing choice for a wide variety of species. Here is an exhaustive list of its benefits, with a particular focus on its effect on root branching and the resulting advantages:

Exceptional drainage : Thanks to its highly porous and irregular structure, pumice quickly drains excess water, preventing stagnation that could harm roots. This optimal drainage encourages roots to branch finely as they explore the substrate, creating a dense and functional network suited to the constraints of a bonsai pot.
Balanced moisture retention : Despite its excellent drainage, pumice retains a moderate amount of water in its micro-porosities, ensuring consistent hydration between waterings. This well-balanced moisture stimulates the formation of secondary rootlets, promoting abundant branching and better nutrient absorption.
Superior aeration : Its light, honeycomb-like texture allows for optimal air circulation around the roots. This oxygenation promotes cell division at the root level, leading to finer and denser branching, essential for a vigorous root system capable of supporting the tree’s growth in a confined space.
Stimulation of Root Branching : Pumice, with its irregular and porous surface, exerts slight mechanical resistance on the roots, encouraging them to subdivide into shorter, more numerous branches rather than elongating excessively. This results in a compact and efficient root system, perfectly suited to the aesthetic and functional needs of bonsai, enhancing anchorage and absorption capacity.
Lightweight : Its low density reduces the overall weight of the pot, making bonsai handling easier while providing stable support. This lightness does not compromise the substrate’s solidity, allowing roots to expand and branch without excessive compression.
Neutral pH : With a pH generally around 7, pumice is chemically neutral, making it compatible with nearly all bonsai species, whether they prefer slightly acidic or alkaline conditions. This neutrality supports healthy root growth without altering the balance of absorbed nutrients.
High durability : Unlike some organic substrates that degrade quickly, pumice is extremely resistant to decomposition. It retains its structure for many years, offering a stable environment for the gradual development of roots and reducing the need for frequent repotting.
Subtle mineral enrichment : Derived from volcanic lava, pumice contains trace minerals that release slowly, providing a slight nutritional supplement to the roots. This supports healthy branching without relying solely on external fertilizers.
Natural aesthetic : Its light color (typically gray-white or beige) adds a clean, modern visual touch, highlighting the bonsai while making it easy to monitor the substrate’s moisture level.

Specific Advantage for Roots : Pumice excels at promoting fine, dense, and evenly distributed root branching, a major asset for the health and aesthetics of bonsai. This compact root network maximizes water and nutrient absorption efficiency in the limited volume of a pot, enhancing the tree’s resilience to environmental stress. Abundant branching also improves the tree’s stability in its container and facilitates adjustments during repotting or shaping, while supporting more vigorous and balanced aboveground growth (foliage, branches).

Additional information

Weight	10 kg
Dimensions	50 × 30 × 17 cm

Leafy

Conifers

With flowers & fruits

Interiors

Pre-bonsai

Plants

Rectangular

Rounds

Ovals

Cascade

Substrates – Soils

Fertilizer

Watering

Growing accessories

Healing putty

Fungicides

Insecticides

Dead wood treatment

Care accessories (sprayer, etc.)

Pliers

Scissors

Potting tools

Sharpening

Brushes

Miscellaneous

Précédent

Leafy

Conifers

With flowers & fruits

Interiors

Pre-bonsai

Plants

Précédent

Rectangular

Rounds

Ovals

Cascade

Précédent

Substrates – Soils

Fertilizer

Watering

Growing accessories

Précédent

Healing putty

Fungicides

Insecticides

Dead wood treatment

Care accessories (sprayer, etc.)

Précédent

Pliers

Scissors

Potting tools

Sharpening

Brushes

Miscellaneous

Pumice / Pumice Stone (3-8mm)

Payment methods

Delivery information

Description

Additional information

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