Plastic or Ceramic Bonsai Pot: Training Versus Display
Use a plastic bonsai pot while the tree is still in training, and move to ceramic once the design is settled and the tree is ready to be shown. During training the roots are cut back often, the tree is moved for light, and the pot is handled every season, so a light pot that will not break does the job better. A ceramic pot earns its place at the display stage, when the pot becomes part of the picture.
What is the difference between a training pot and a display pot?
A training pot is a working container. It holds the roots while you build the trunk, branches and root spread, often over several years, and nobody looks at it closely. A display pot is chosen for a finished tree. Its colour, shape and depth are part of how the tree is seen. Many trees pass through two or three training pots before they reach their display pot.
How do plastic and ceramic bonsai pots compare?
| Point | Plastic pot | Ceramic pot |
|---|---|---|
| Weight | Light, easy to lift when planted | Heavier, steadier in wind |
| If knocked or dropped | Does not break | Can chip or crack |
| Frequent repotting | Easy to handle every season | Better kept for a settled tree |
| Many trees at once | Practical for a batch | Usually chosen tree by tree |
| Look | Plain and practical | Glaze and clay colour chosen to suit the tree |
| Best stage | Training and development | Display |
When does a plastic bonsai pot make sense?
- Young trees that will be root-pruned and repotted again soon.
- Trees that move with the seasons, from an open terrace to shade in peak summer, where a light pot saves effort.
- Nursery batches, where many trees at the same stage need the same pot.
- Group and forest plantings in progress, where trees are still being added, removed and rearranged.
- Beginners, who will repot more than once while they learn and would rather not risk breaking a fine pot.
Which of our bonsai pots suits which job?
Grow Green Planters makes two bonsai models, both moulded in 100% virgin plastic.
| Model | Size | Finishes | Pack | Suits |
|---|---|---|---|---|
| Oval Bonsai Pots | 12 x 4 inch, shallow | Terracotta, milky white | 50 pieces | Single young trees, nursery batches |
| Square Bonsai Pots | 19 x 14 x 5 inch tray, 17 inch plate | Marble white, terracotta, milky white | 10 pieces | Group and forest-style plantings |
The oval pot is shallow, which restricts root volume and leaves a wide surface to show the trunk and root flare. The square pot is a large tray with a rectangular footprint, made for several trees sharing one pot, and it stays light enough to reposition once planted.
How do you know a tree is ready for a display pot?
- The trunk and main branches are set, and you are refining rather than building.
- The roots fill the training pot evenly and have been trimmed to a compact pad.
- The tree recovered well from its last repotting and is growing strongly.
- You have chosen the front of the tree, so you can pick a pot shape and colour to suit it.
Make the move at the normal repotting time for the species, never in the heat of summer or when the tree is weak.
Does a plastic pot hold back the tree?
Not if water drains freely. Plastic does not breathe the way unglazed clay does, so the mix stays moist for longer. Use a free-draining bonsai mix, check that water runs straight out after planting, and water by touch rather than by the calendar. In full afternoon sun, a lighter finish stays cooler than a darker one.
Where can you see the pots?
Grow Green Planters supplies plastic bonsai pots in two models for growers, nurseries and dealers. The Oval Bonsai Pots page lists the 12 inch tray. Ask us about colours and pack quantities for your order.