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Acer palmatum

This Japanese ornamental plant with a long tradition is particularly appreciated for its continuous and spectacular transformations that follow the rhythm of the seasons: from the moment of tender spring buds to the lush splendour of its foliage during the summer, to the magnificent fiery red of its leaves in autumn. No less interesting is when, after the leaves have fallen, it displays its elegant silhouette and fine, unmistakable branching. It is a robust species, generally able to withstand cold as well as heat. It is long-lived as a bonsai tree, is easy to shape and responds well to cultivation techniques. Acer palmatum is cultivated in many varieties, including Kiyohime, Deshojo, Seigen, and is definitely a must-have tree in a collection.

As already mentioned, this plant is quite resistant to both heat and cold. However, in order not to damage its beautiful foliage, it is advisable to protect it from the most intense summer sun, while it should not be removed from full sun exposure in autumn, as this intensifies the color of the foliage. In winter, although it tolerates low temperatures well, it is best to protect the root system from frost.

The common rule of watering whenever the soil feels dry to the touch is also ideal for maple trees, bearing in mind, however, that during hotter periods and in strong winds, more frequent watering is required. In fact, in these cases, the soil often risks becoming completely dry. It is also important to bear in mind that both a lack of water and excess water can cause serious damage to the plant. More specifically, a lack of water causes the leaves to wilt and stunted growth, while excess water causes the tips of the leaves to turn black.

Transplanting should be done in spring when the buds swell, but before the leaves appear; annually on younger plants, every 2-3 years on more mature ones. The ideal mixture is 60% akadama + 30% ready-to-use soil + 10% pozzolana.

The best time to selectively prune maple branches is during the autumn leaf fall period (approximately 15-20 days), as this allows for a clearer view of the complete structure and avoids the risk of sap loss since the plant is dormant. Pruning can also be done when the plant starts growing again, but with less success. Large branches in particular should not be pruned during the growing season. Even applying healing paste would not stop the sap from leaking. When it comes to thinning pruning, it is important to bear in mind that maple buds appear in pairs, one on each side of the branch. By selecting the buds and pruning the branches appropriately, the new shoots will follow the direction of the chosen bud. Following a good pattern, based on the direction of the main branch, the secondary and tertiary branches should not cross, but form a dense and complete horizontal network. Once the canopy has formed, which takes about 5 years, the tree needs to be pruned vigorously every 4-5 years to maintain its size and shape.

Work is carried out on fully formed specimens in spring to prevent new shoots from spreading. Topping should continue throughout the growing season. For specimens still forming, defoliation is used, approximately every 2 years in May/June, removing all or part of the leaves but keeping the petiole, in order to increase finer branching.

It should be noted that due to the delicate bark of the maple tree, shaping is mainly achieved through pruning, so wrapping should only be applied when absolutely necessary, during the period of least activity, to avoid damaging the elegant bark. Due to the rapid growth rate of this species, the wire should never remain in place for more than two to three months.

From April to early July, apply Bonsan Organic Liquid Fertilizer together with Bonsan Stimulating Fertilizer every 15 days, or Bonsan Hanagokoro Organic Solid Fertilizer plus Bonsan Stimulating Fertilizer once a month. From the end of August to October, fertilize every 15 days with Bonsan Organic Liquid Fertilizer or Bonsan Hanagokoro Organic Solid Fertilizer. Twice a year (in autumn and at the end of winter), apply Bonsan Hanagokoro Organic Solid Fertilizer; 3-4 times a year, it is also advisable to use Bonsan Mineral Curative Solution. To stimulate rooting, use Bonsan Organic Mineral Fluid Fertilizer with B vitamins instead of Bonsan Organic Liquid Fertilizer.

The pathogens most commonly found on this species are aphids, red spider mites, and powdery mildew. Attacks generally occur between spring and early fall. In the case of aphids, apply a specific aphicide every 10 days, carrying out at least 3 treatments. To prevent the formation of red spider mites, it is advisable to keep the plant in a well-ventilated environment: in the event of an attack, treat with an acaricide.

Advice on:
Location

As already mentioned, this plant is quite resistant to both heat and cold. However, in order not to damage its beautiful foliage, it is advisable to protect it from the most intense summer sun, while it should not be removed from full sun exposure in autumn, as this intensifies the color of the foliage. In winter, although it tolerates low temperatures well, it is best to protect the root system from frost.

Watering

The common rule of watering whenever the soil feels dry to the touch is also ideal for maple trees, bearing in mind, however, that during hotter periods and in strong winds, more frequent watering is required. In fact, in these cases, the soil often risks becoming completely dry. It is also important to bear in mind that both a lack of water and excess water can cause serious damage to the plant. More specifically, a lack of water causes the leaves to wilt and stunted growth, while excess water causes the tips of the leaves to turn black.

Repotting

Transplanting should be done in spring when the buds swell, but before the leaves appear; annually on younger plants, every 2-3 years on more mature ones. The ideal mixture is 60% akadama + 30% ready-to-use soil + 10% pozzolana.

Pruning

The best time to selectively prune maple branches is during the autumn leaf fall period (approximately 15-20 days), as this allows for a clearer view of the complete structure and avoids the risk of sap loss since the plant is dormant. Pruning can also be done when the plant starts growing again, but with less success. Large branches in particular should not be pruned during the growing season. Even applying healing paste would not stop the sap from leaking. When it comes to thinning pruning, it is important to bear in mind that maple buds appear in pairs, one on each side of the branch. By selecting the buds and pruning the branches appropriately, the new shoots will follow the direction of the chosen bud. Following a good pattern, based on the direction of the main branch, the secondary and tertiary branches should not cross, but form a dense and complete horizontal network. Once the canopy has formed, which takes about 5 years, the tree needs to be pruned vigorously every 4-5 years to maintain its size and shape.

Pinching

Work is carried out on fully formed specimens in spring to prevent new shoots from spreading. Topping should continue throughout the growing season. For specimens still forming, defoliation is used, approximately every 2 years in May/June, removing all or part of the leaves but keeping the petiole, in order to increase finer branching.

Wiring

It should be noted that due to the delicate bark of the maple tree, shaping is mainly achieved through pruning, so wrapping should only be applied when absolutely necessary, during the period of least activity, to avoid damaging the elegant bark. Due to the rapid growth rate of this species, the wire should never remain in place for more than two to three months.

Fertilization

From April to early July, apply Bonsan Organic Liquid Fertilizer together with Bonsan Stimulating Fertilizer every 15 days, or Bonsan Hanagokoro Organic Solid Fertilizer plus Bonsan Stimulating Fertilizer once a month. From the end of August to October, fertilize every 15 days with Bonsan Organic Liquid Fertilizer or Bonsan Hanagokoro Organic Solid Fertilizer. Twice a year (in autumn and at the end of winter), apply Bonsan Hanagokoro Organic Solid Fertilizer; 3-4 times a year, it is also advisable to use Bonsan Mineral Curative Solution. To stimulate rooting, use Bonsan Organic Mineral Fluid Fertilizer with B vitamins instead of Bonsan Organic Liquid Fertilizer.

Care

The pathogens most commonly found on this species are aphids, red spider mites, and powdery mildew. Attacks generally occur between spring and early fall. In the case of aphids, apply a specific aphicide every 10 days, carrying out at least 3 treatments. To prevent the formation of red spider mites, it is advisable to keep the plant in a well-ventilated environment: in the event of an attack, treat with an acaricide.

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Acer Palmatum Viridis - Maple - 68 cm Acer Palmatum Viridis - Maple - 68 cm 2
Out-of-Stock
Bonsai with deciduous leaves

Acer Palmatum Viridis - Maple - 68 cm

Acer palmatum
Y04POI-5175
€436.36
The appearance may vary according to the seasons Style: forest Height without pot: 62 cm Trunk: 1.5 / 2 cm Pot: 35 x 28 x 6 cm
Acer palmatum Viridis bonsai specimen in raft style | Elegance and uniqueness Acer palmatum Viridis bonsai specimen in raft style | Elegance and uniqueness 2
Available
Bonsai with deciduous leaves

Acer Palmatum Viridis - Maple - 70 cm

Acer palmatum
Y04UOII-4991
€7,090.91
A unique specimen of Maple tree characterised by a height without pot of 64 cm, a trunk size of approx. 1-5 cm and a nebari of 38 cm. The plant is grown in an oval green glazed stoneware pot whose dimensions are 55x40xH6 cm.
Acer Palmatum Shishigashira - Maple - 42 cm Acer Palmatum Shishigashira - Maple - 42 cm 2
Available
Bonsai with deciduous leaves

Acer Palmatum Shishigashira - Maple - 42 cm

Acer palmatum
Y06PEII-6300
€4,090.91
Appearance may change according to the seasons Height without pot: 37 cm Trunk: 5 cm Nebari: 12 cm Glazed stoneware pot: 35 x 26 x H 5 cm
Acer palmatum viridis - maple - 24 cm Acer palmatum viridis - maple - 24 cm 2
Available
Bonsai with deciduous leaves

Acer palmatum viridis - maple - 24 cm

Acer palmatum
Y04ATE-4538
€240.91
Appearance may change according to the seasons The bonsai is leafless in winter Shohin Height without pot: 18 cmTrunk: 5 cmNebari: 7 cmPot: Ø 12 x 5,5 cm
Raw Bonsai

Acer Palmatum Dissectum Seiryu - Maple - 73 cm

Acer palmatum
Z06AM/N-6446
€21.73
Appearance may change according to the seasons To work bonsai Bonsai are living beings and each one is different from the others, so the plant you'll receive will be similar but not the same as the one you see in the photo Height without pot: 60 cm - may vary with the vegetative growth of the plant Trunk: 1 cm Plastic pot: Ø 13,5 x H 13 cm
Acer Palmatum Shishigashira - Maple - 27 cm Acer Palmatum Shishigashira - Maple - 27 cm 2
Out-of-Stock
Bonsai with deciduous leaves

Acer Palmatum Shishigashira - Maple - 27 cm

Acer palmatum
Y06AUE-6539
€250.00
Appearance may change according to the seasons Style: growing on rock Height without pot: 22,5 cm Trunk: 1 cm Nebari: 7 cm Glazed stoneware pot: 12 x 9,5 x H 4,5 cm
Acer Palmatum Deshojo - Maple - 52 cm Acer Palmatum Deshojo - Maple - 52 cm 2
Available
Bonsai with deciduous leaves

Acer Palmatum Deshojo - Maple - 52 cm

Acer palmatum
Y03LLOI-6417
€1,072.73
Appearance may change according to the seasons Height without pot: 44,5 cm Trunk: 4,5 cm Nebari: 9 cm Glazed stoneware pot: 26 x 20 x H 7,5 cm
Acer palmatum viridis - maple - 77 cm Acer palmatum viridis - maple - 77 cm 2
Available
Masterpiece Bonsai

Acer palmatum viridis - maple - 77 cm

Acer palmatum
Y04EAII-2165
€4,727.27
Appearance may change according to seasons Unique piece Style: multitrunk Height (without pot): 77 cm Pot: 47 x 35 x H 7,5 cm  Nebari: 35 cm Trunk: 15 cm
Acer palmatum Nomura - Maple - 50 cm Acer palmatum Nomura - Maple - 50 cm 2
Out-of-Stock
Bonsai with deciduous leaves

Acer palmatum Nomura - Maple - 50 cm

Acer palmatum
Y06MNE-4407
€359.09
Appearance may change according to the seasons The bonsai is leafless in winter Height without pot: 43 cm Trunk: 3 cm Pot: 23 x 16,5 x 6,5 cm
Acer Palmatum Viridis - Maple - 57 cm Acer Palmatum Viridis - Maple - 57 cm 2
Available
Bonsai with deciduous leaves

Acer Palmatum Viridis - Maple - 57 cm

Acer palmatum
Y04TAI-6268
€563.64
Appearance may change according to the seasons Height without pot: 49,5 cm Trunk: 3 cm Nebari: 10 cm Glazed stoneware pot: 26 x 20 x H 7,5 cm
Acer palmatum - Maple - 40 cm Acer palmatum - Maple - 40 cm 2
Available
Bonsai with deciduous leaves

Acer palmatum - Maple - 40 cm

Acer palmatum
Y06UOI-3905
€709.09
Appearance may change according to seasons The bonsai is leafless in winter Height without pot: 33 cm Trunk: 2,5 cm Pot: 24 x 16.5 x 6.5 cm
Acer Palmatum Deshojo - Maple - 35 cm Acer Palmatum Deshojo - Maple - 35 cm 2
Available
Bonsai with deciduous leaves

Acer Palmatum Deshojo - Maple - 35 cm

Acer palmatum
Y03LOI-6404
€163.64
Bonsai are living beings and each one is different from the others, so the plant you'll receive will be very similar but not the same as the one you see in the photo Appearance may change according to the seasons Height without pot: 28 cm - may vary with the vegetative growth of the plant Trunk: 2 cm Nebari: 8 cm Glazed stoneware pot: 21 x 15,5 x H 7 cm
Bonsai with deciduous leaves

Acer Palmatum Nomura - Maple - 36 cm

Acer palmatum
Y06TE-6634
€59.09
Appearance may change according to the seasons Bonsai are living beings and each one is different from the others, so the plant you'll receive will be similar but not the same as the one you see in the photo Height without pot: 30 cm - may vary with the vegetative growth of the plant Trunk: 2 cm Glazed stoneware pot: 17,5 x 11,5 x H 6 cm
Bonsai with deciduous leaves

Acer Palmatum Deshojo - Acer - 26 cm

Acer palmatum
Y03OT-5229
€78.18
Bonsai are living beings and each one is different from the others, so the plant you receive will be very similar but not the same as the one you see in the photograph Appearance may change according to the seasons Height without pot: 20 cm Trunk: 1,5 cm Glazed stoneware pot: 13 x 11 x H 6 cm
Acer Palmatum Deshojo - Maple - 66 cm
Out-of-Stock
Masterpiece Bonsai

Acer Palmatum Deshojo - Maple - 66 cm

Acer palmatum
Y03LIOII-6305
€9,818.18
Appearance may change according to the seasons Unique specimen Style: double trunk Height without pot: 60,5 cm Trunk: 4,5-5 cm Nebari: 26 cm Glazed stoneware pot: 44 x 34 x H 5,5 cm
Acer palmatum Viridis - acero - 19 cm Acer palmatum Viridis - acero - 19 cm 2
Out-of-Stock
Bonsai with deciduous leaves

Acer palmatum Viridis - maple - 19 cm

Acer palmatum
Y04NOI-1489
€890.91
Appearance may change according to seasons Shohin Height without pot: 16 cm Pot: 11,5 cm x H 3 cm Nebari: 6 cm
Raw Bonsai

Acer Palmatum Atropurpureum - Maple - 42 cm

Acer palmatum
Z06LN/E-6443
€17.73
Appearance may change according to the seasons To work bonsai Bonsai are living beings and each one is different from the others, so the plant you'll receive will be similar but not the same as the one you see in the photo Height without pot: 29 cm - may vary with the vegetative growth of the plant Trunk: 1,5 cm Plastic pot: Ø 13,5 x H 13 cm
Raw Bonsai

Acer Platanoides - Maple - 30 cm

Acer palmatum
Z99U/N-6465
€7.18
Appearance may change according to the seasons To work bonsai Bonsai are living beings and each one is different from the others, so the plant you'll receive will be similar but not the same as the one you see in the photo Height without pot: 20 cm - may vary with the vegetative growth of the plant Trunk: 1 cm Plastic pot: 9 x 9 x H 10 cm
Raw Bonsai

Acer Palmatum Shishigashira - Maple - 35 cm

Acer palmatum
Z06ME-5293
€31.82
To work Appearance may change according to the seasons Bonsai are living beings and each one is different from the others, so the plant you receive will be very similar but not the same as the one you see in the photograph Height (with pot): 35 cm - may vary with the vegetative growth of the plant
Acer Palmatum Orihime - Maple - 47 cm Acer Palmatum Orihime - Maple - 47 cm 2
Available
Bonsai with deciduous leaves

Acer Palmatum Orihime - Maple - 47 cm

Acer palmatum
Y06UE-6807
€68.18
Appearance may change according to the seasons To work bonsai Bonsai are living beings and each one is different from the others, so the plant you'll receive will be similar but not the same as the one you see in the photo Height without pot: 27 cm - may vary with the vegetative growth of the plant Trunk: 1 cm Unglazed growing pot: Ø 11 x H 10 cm
Maple bonsai 44 cm | Blue rectangular pot Maple bonsai 44 cm | Blue rectangular pot 2
Available
Bonsai with deciduous leaves

Acer palmatum shishigashira - Maple - 44 cm

Acer palmatum
Z06LAI-6952
€109.09
Maple bonsai characterized by a height without pot of 37 cm, trunk size of 1,5 cm and nebari of 5 cm. The plant is grown in a rectangular glazed stoneware pot whose dimensions are 16x13,5xH7 cm.
Acer palmatum - Maple - 46 cm Acer palmatum - Maple - 46 cm 2
Available
Bonsai with deciduous leaves

Acer palmatum - Maple - 46 cm

Acer palmatum
Y06MNE-3994
€359.09
Appearance may change according to seasons The bonsai is leafless in winter Height (without pot): 37 cm Pot: 25 x 20 x 8,5 cm
Maple bonsai 57 cm | Blue oval pot Maple bonsai 57 cm | Blue oval pot 2
Available
Bonsai with deciduous leaves

Acer palmatum deshojo - Maple - 57 cm

Acer palmatum
Y03MAE-6909
€295.45
Maple bonsai characterized by a height without pot of 50 cm, trunk size of 2 cm and nebari of 4,5 cm. The plant is grown in an oval glazed stoneware pot measuring 21x17xH7 cm.
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