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Trident Maple

Acer buergerianum

Botanical family : Aceraceae

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root over rock

Trident Maple (Acer buergerianum). Age : 11 years and 7 months. Acquisition Date : 2/22/25. Acquisition method : Sowing

Age : 11 years and 7 months

users92956

Switzerland
Canton of Fribourg

Style - ishitzuki
Ishitzuki

Height : 35 cm (13.8")
Width : 31 cm (12.2")
Nebari : 10 cm (3.9")
Weight : 27 kg (59.5 lbs)

Acquisition Date : 2/22/25 (1 year)
Source of acquisition : Trophy, polish nursery

Acquisition method : Sowing

Owner's note :
Target hight max 25 cm
Hight rock 7 cm
1st branch 10 cm
Apex start 19 cm
Nebari base 10 cm

Vgl bonsai plaza
Outdoor bonsai | Trident maple | 350 x 310 x 280 mm | Circa 10 years old

Botanical name: Acer buergerianum
Style: Seki-joju (root over rock style)
Age: approximately 10 years old
Origin: Japan
Tree dimensions (height x width x depth) without pot: 350 x 310 x 280 mm.
Tree diameter: 25 mm.
Pot dimensions (width x depth x height) without tree: 310 x 230 x 185 mm.
595 eur

Plant into white rectangle, olive rectangle, olive round

White rectangular

Height : 7 cm (2.8")
Length : 25 cm (9.8")
Width : 18 cm (7.1")
Weight : Not specified

Shape : Rectangular
Color : Offwhite
Material : Céramique
Finish : Glazed
Drainage holes : 3

Acquisition Date : 4/12/25
Source of acquisition : Mr Grangier
Owner's note :
Reservé pour root over rock Shin, formal, masculine Goes with beige, green blue. Light colours

Greek lava rock

Country of origin : Greece

Color : Grey
Material : Lava stone

Acquisition Date : 2/22/25
Source of acquisition : Acer buergerianum

View the stone record

Removal of Ligature (4 months)
4/29/26
Too late wire marks without much growth.

Fertilization (4 months)
4/27/26
Biogold liquid

Fertilization (5 months)
4/25/26
Liquid fertilizer

Pruning (5 months)
4/19/26
Pruned big branches and top to boost first branch

Fertilization (5 months)
4/11/26
Bio gold

Pruning and Wiring (5 months)
4/9/26
Took off wrong shoots and wired branches horizontaly.

Repotting (6 months)
3/9/26
Very dangerous repotting into smaller pot. Tree with leaves and crucial small buds. Had to cut off all new roots to fit into pot and put into correct angle. If buds hold its a win. It had roots like a beast. Took cd out.

Collection (6 months)
3/7/26
Geholt bei Kissling. Com brotinhos.

Storage (10 months)
11/18/25
Kissling bonsai

Pruning (11 months)
10/18/25
Radical pruning. New start. First branch was shit. Check new inclination. Cut of tocones to make taper. Will have to select buds. Goal to make hight max 25 cm and put into small pot

Fertilization (1 year and 1 month)
8/24/25
Bio gold

Pruning (1 year and 1 month)
8/24/25
Pruned big branches

Fertilization (1 year and 2 months)
7/16/25
Hyriu gold

Fertilization (1 year and 2 months)
7/9/25
Hyriu gold

Fertilization (1 year and 2 months)
6/28/25
Maru, seewead and fish emulsion

Pruning and Wiring - 6/24/25 - Photo 1/10

Pruning and Wiring (1 year and 3 months)
6/24/25
Defined apex. Cut coarse and unnecessary branches. Wired.
Unfortunately broke a few good buds and subbranches when wiring.
To do, make taper on apex.

Treatment (1 year and 3 months)
6/9/25
Maru and fish emulsion

Fertilization (1 year and 4 months)
5/25/25
Hiryu gold and water tray

Pruning (1 year and 4 months)
5/24/25
Cut top and big branch off. Took cuttings. Soft wood, hard wood and the whole top. Was too crowded to make air layering. Looks better and will have to track to grow right branching. Took off stub in the front.

Treatment (1 year and 4 months)
5/17/25
Maru

Treatment (1 year and 4 months)
5/11/25
Solid Danú

Fertilization (1 year and 4 months)
4/30/25
Paulman

Fertilization (1 year and 5 months)
4/18/25
Sol acide

Fertilization (1 year and 5 months)
4/13/25
Fert Paulmann

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(1 year and 5 months)
3/30/25
Gesal

Fertilization (1 year and 6 months)
3/23/25
2 spoons of hiryo gold

Pruning (1 year and 6 months)
3/18/25
Light pruning crotches and bad branches

Slip potting (1 year and 6 months)
3/9/25
Good roots, nice repotting with Elisa. Mix of 50% akadama, 20% kanuma and 30% pumice. Mikhorizza and top dressing fine akadama.

Budding (1 year and 6 months)
3/8/25

Purchase (1 year and 7 months)
2/22/25
80 euros
Polish nursery, trophy genk.
Greek lava rock
Good base, repot into coarser substrate and build ramification. Shohin size.

Trident Maple

Acer buergerianum

root over rock

Continental climate with a temperate summer, without dry season

White rectangular

Greek lava rock