Gentle oval line
The curved form frames the trunk and root flare without hard corners, keeping the presentation calm.
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A low oval form that gently frames the tree and the line of its trunk.
Material: ceramic stoneware · In the package: pot and saucer
The Bonsai Koban pot 15cm turns a bonsai composition into a considered presentation. Its oval line follows the movement of the trunk gently and leaves more visual space around the tree, while the deep burgundy glaze adds a calm contrast beside the foliage and trunk. With a matching saucer in the set, it is an elegant choice for a shelf, table or display surface.
15cm is the commercial size name. For a real fit, use the measured external and internal pot dimensions.
The curved form frames the trunk and root flare without hard corners, keeping the presentation calm.
It adds colour to the composition without overpowering the natural texture of the trunk and foliage.
It completes the presentation and catches water left after the pot has drained fully.
A bonsai pot is not selected from tree height alone. The actual root ball, the direction of the composition and the visual relationship between trunk and pot all matter.
The oval form softens the outline of the composition and connects naturally with curves in the trunk or branches.
Glazed surfaces are often used with deciduous or flowering trees, though this is not an absolute composition rule.
The roots fit the 13 × 10 × 4 cm inner space without excessive removal.
The transition may require gradual root-ball reduction over more than one repotting.
If it cannot fit with safe root work, choose a deeper or larger pot.
Use the internal dimensions as the working limit, not only the 15cm size name.
Allow room for the roots, substrate around them and the position in which you want the trunk to stand.
The actual inner footprint is 13 × 10 cm and the available depth is approximately 4 cm.
The right timing and degree of root pruning vary by species and tree condition. Do not remove healthy roots simply to force a tree into a particular pot.
Use a suitable bonsai substrate and keep the drainage holes clear.
Secure suitable drainage mesh so it retains the substrate without restricting water flow.
Add a thin layer of suitable substrate and shape the point on which the root ball will rest.
Set the trunk position, secure the tree where required and work substrate carefully around the roots.
Let water drain fully through the base and empty the saucer before the final placement.
Use it to collect runoff temporarily, then empty it after every watering.
The measurements apply to this specific burgundy glazed Koban 15cm.
Length × width × pot height.
Length × width × available depth.
Length × width.
Smooth glazed exterior surface.
The product is stated to undergo an approximately 23-hour firing cycle at 1,240 °C. Small variations in the glazed surface are normal for a ceramic product.
Base holes release excess water. As no separate frost-resistance certification is stated, protect the pot from severe freezing conditions.
Simple regular care protects the glaze and keeps water moving freely.
Do not leave the base of the pot standing in water after watering.
Use a soft damp cloth and avoid abrasives that could dull the glaze.
Remove mineral deposits or substrate residue before they restrict drainage.
Burgundy glazed Koban 15cm with its matching saucer.
The bonsai tree, substrate, drainage mesh and tools are sold separately.
Small mesh pieces that cover drainage holes, retaining the substrate without restricting water flow.
In bonsai-pot terminology, Koban refers to an oval form. The gentle curve of this pot creates a calm foundation for the composition.
15cm is the commercial size name. The pot measures 16 × 12.5 × 4.5 cm outside and 13 × 10 × 4 cm inside. Use the internal dimensions as the main guide when matching a tree.
Yes. The package includes a matching 17 × 14 cm saucer. Empty it after watering so the base of the pot does not remain standing in water.
Glazed pots are often chosen for deciduous and flowering bonsai, while unglazed finishes are commonly paired with conifers. This is an aesthetic direction, not an absolute rule.
It can be used outdoors with free drainage. As no separate frost-resistance certification is stated, protect it from severe freezing conditions and impact.
Compare the actual root ball with the usable inner space of 13 × 10 × 4 cm. If fitting it would require excessive root removal, choose a larger or deeper pot.
© Original product description by Greenleaf Garden Center. All rights reserved. | The text and diagram are original material. Copying is prohibited (Law 2121/1993).