珊瑚阁

珊瑚阁的基本数据

养护难度

适合中级者

寿命

作为栽培品种的寿命资料很少

体型

自然树形高6-7.5米，直立性（盆景为小品至中品）

浇水

肥料（春季和秋季，控制施用）

光照和放置位置

置于全日照至半阴处，避免强风。夏季遮荫以防叶烧，秋季起充分见光以呈现枝条颜色和秋叶

浇水

叶片展开后干得很快。春季每天2次，夏季2-3次，冬季每1-2天1次，浇至株根部。夏季缺水会损害秋叶

温度和越冬

耐寒性强（美国农业部5区）。冬季是观赏红色枝条的期间。保护植株避免干风和晚霜

土壤和换盆

使用排水良好的土壤，于萌芽前3月左右进行换盆。每2-3年一次，迷你品种每1-2年一次，整理根系以增加细根

肥料

4月中旬新叶硬化时施有机肥，5月追肥。秋肥于8月中旬-9月完成，促进秋叶着色

修剪和整形

由于枝色在1-2年生幼枝上最鲜艳，落叶前后修剪时剪去老枝并更新为新枝。摘芽于3月中旬-4月中旬进行

病虫害和注意事项

据说容易患细菌性枝枯病。黑色枯萎的枝条要及时剪除，剪定工具要保持清洁。注意新芽蚜虫和梅雨期后的白粉病

关于珊瑚阁

Sango-kaku is a maple whose young branches turn bright coral in autumn and winter. Only one- to two-year-old wood colors up, making the bare winter silhouette its main appeal; grown as both bonsai and garden tree, suited to intermediate growers.

开始养护珊瑚阁前需要了解的7件事

1. 1Choose a Sunny, Airy Spot

   Sango-kaku prefers a bright, well-ventilated spot outdoors. Good light through autumn and winter brings out its coral bark color at its best. Strong summer afternoon sun can scorch the leaves, so container-grown trees benefit from partial shade during the hottest months.

2. 2Water with Clear Wet-Dry Cycles

   Water thoroughly once the soil surface dries out. Potted trees dry out faster, so watch closely during the growing season from spring through autumn. At the same time, avoid letting water sit in the saucer, since constantly soggy soil can damage the roots.

3. 3Use Well-Draining Soil

   Like most maples, Sango-kaku dislikes waterlogged roots, so well-draining soil is essential. A bonsai or akadama-based mix blended with leaf mold gives a good balance of drainage and moisture retention.

4. 4Repot During Dormancy

   Repot roughly every few years once the roots become pot-bound, since crowded roots can affect growth and bark color. The dormant period after leaf drop puts the least stress on the roots.

5. 5Winter Bark Is the Star of the Show

   Sango-kaku is grown to showcase its bright red bark after the leaves fall, not just its foliage. Its true character shows most in the leafless season of autumn and winter, rather than when the canopy is full in summer.

6. 6Look for Young, Colorful Branches When Choosing a Tree

   Vivid bark color appears only on branches one to two years old, while older wood gradually fades. When selecting a tree, check that young branches are growing well and coloring clearly, which gives a good sense of how the color will develop over time.

7. 7Prune to Renew Young Branches

   Because Sango-kaku's coral color belongs only to young wood, pruning out faded old branches to encourage fresh growth is the key to keeping the color vivid. Left to its natural upright form the tree can reach about 6 to 7.5 meters, while bonsai specimens are kept to a small or medium size through regular pruning that manages both shape and bark color.

珊瑚阁的常见问题

Q.Is Sango-kaku suitable for beginners?

A.Sango-kaku is generally considered a variety for intermediate growers. It calls for a working knowledge of maple care, including watering, soil management, and the pruning needed to keep the bark color vivid, so it suits those with some prior experience growing maples or bonsai.

Q.Why isn't the bark turning coral-colored?

A.The coral color only appears on branches that are one to two years old; older wood naturally loses its color over time. To keep the bark vivid, older branches need to be pruned out so new, young growth can take over.

Q.Is there anything to enjoy after the leaves have fallen?

A.The leafless season is actually when Sango-kaku shines most. Once the leaves drop in autumn and winter, the bright coral-colored branches become the main attraction.

Q.Is it grown as a bonsai or as a garden tree?

A.Sango-kaku is available as both a bonsai and a garden tree. Planted in the ground it grows into an upright form reaching about 6 to 7.5 meters, while bonsai specimens are kept to a small or medium size to highlight the changing bark color.

Q.How large does it grow?

A.Left to its natural form, it grows upright to about 6 to 7.5 meters tall. When trained as bonsai, it's typically kept to a small or medium size.

珊瑚阁种植的实用工具

在图鉴中详细了解珊瑚阁

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