冬至梅

冬至梅的基本資料

栽培難度

適合中級者

壽命

梅樹是長壽樹種，有些盆梅的樹齡可達400年以上。

體型

梅樹是落葉小喬木，高度3～10公尺。盆栽時可根據盆鉢大小造型培養。

澆水

肥料（花後3～6月及9～11月。夏季暫停）

日照與擺放位置

要使花芽分化需要春季起充足的日照。應放在日照充足、通風良好的位置，夏季因強光易造成葉燒傷，需遮蔭保護。

澆水

梅樹喜水，在有葉期間要保持充分水分。春秋季每天澆水1～2次，夏季2～3次，冬季2～3天澆水1次為宜，表土乾燥時要澆透。

溫度與越冬

冬季進入休眠期。應保護盆土免於結冰和晚霜傷害根部，放置在棚下或冷室等地保護。

土壤與換盆

主要以赤玉土為主，添加約2成排水良好的沙土。換盆時間約在2月發芽前進行，與花後修剪同時進行。1～2年換盆1次，老樹則2～3年換盆1次。

肥料

梅樹喜肥。花後3～6月施薄肥，夏季花芽分化期暫停施肥，9～11月秋肥要充足。使用含磷酸較多的開花結實型肥料效果較佳。

修剪與造型

花朵綻放5～7分時摘除花謝，保持樹勢，花後立即修剪。花芽形成於7～8月，成型的樹在5月前後對新梢進行摘心，保留4～6節。

病蟲害與注意事項

要注意蚜蟲、葉蟎、介殼蟲、樹幹內的木蠹蛾（會滲出樹液）、白粉病與黑星病。梅花易感染潰瘍病，應避免強風環境。

關於冬至梅

Toji is a white-flowered Yabai plum prized for its early, abundant single blossoms and sturdy trunk growth — a classic choice for plum bonsai, best suited to growers with some experience.

開始照料冬至梅前需要了解的7件事

1. 1Sun and Airflow

   Toji thrives in full sun, so keep it outdoors in a spot with good light and airflow. In peak summer, shield it from harsh western sun with light afternoon shade to prevent leaf scorch.

2. 2Watch for Dryness

   Potted plum trees dry out quickly, so water thoroughly once the soil surface feels dry. Pay extra attention during the flower-bud season and in summer, since letting the pot dry out fully can stress the tree.

3. 3Well-Drained Soil

   Choose a soil mix with good drainage and aeration to prevent root rot. A base of akadama soil, sometimes blended with leaf mold, is commonly used.

4. 4Regular Repotting

   Roots fill the pot quickly, so repot roughly once every one to two years. The best timing is after flowering ends but before new growth begins.

5. 5Prune After Bloom

   Because Toji blooms extremely early, its flowering also finishes early, making this a good time to prune and shape the tree. Tidying up summer growth helps maintain good flowering the following year.

6. 6Trained to Pot Size

   As bonsai, the trunk and branches are trained to suit the size of the pot, with pruning and wiring used to shape the tree over time. Research station trials found Toji thickens its trunk very well, making it a good variety for building a trunk.

7. 7A Tree for the Long Term

   Rather than expecting a finished look right away, choose a specimen whose branch structure you like and grow it patiently over the years. Toji sets plenty of flower buds, so you can enjoy its blooms each year while the tree develops.

冬至梅的常見問題

Q.Is Toji suitable for beginners?

A.Toji is generally considered a variety for growers with some experience, since getting placement, watering, and pruning right makes a real difference. If you are already comfortable with basic plum bonsai care, it is a rewarding variety to take on.

Q.When does Toji bloom?

A.True to its name, Toji is an extremely early-blooming variety that starts flowering around the winter solstice, ahead of most other plums. It produces abundant single, medium-sized white blossoms.

Q.Why is it also called Toji-ume?

A.The name comes from its habit of starting to bloom around the winter solstice (toji). It belongs to the Yabai group of white-flowered plums.

Q.How long can it be grown as a bonsai?

A.With ongoing care such as repotting and pruning, it can be grown for many years. Grown patiently, Toji's form and character keep developing over time.

Q.How often does it need repotting or pruning?

A.Repotting is typically needed about once every one to two years, timed after flowering and before new growth starts. Pruning is also done yearly after the blooms fade, tidying up the season's new growth.

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