松果大戟 (Euphorbia bupleurifolia)

松果大戟 (Euphorbia bupleurifolia)的基本資料

栽培難度

適合中級者

壽命

壽命長的多年生植物（壽命資料稀少）

體型

莖高約20厘米、直徑約7.5厘米，葉長7～15厘米

澆水

生長期適度澆水

光照與置放位置

喜歡明亮的半陰環境。避免夏季強烈的直射陽光，置於通風良好的地方。

澆水

在炎熱季節不應過度乾燥，夏季應保持適度濕潤。冬季應控制澆水，土壤過濕易導致腐爛。

溫度與越冬

冬季應保持10℃以上。休眠期若保持乾燥狀態，相對能耐受較低溫度。

土壤與換盆

使用以無機質為主、排水性優良的土壤。換盆應在溫度升高後進行。

病蟲害與注意事項

大戟屬植物的白色乳汁會刺激皮膚和眼睛。修剪或換盆時應戴手套，避免進入眼睛或口腔。升級至附錄 I 後，國內的轉讓也需要登記證書，購買或出品前請確認相關規定。

關於松果大戟 (Euphorbia bupleurifolia)

Euphorbia bupleurifolia (Tekkomaru), the Pine-cone Plant, is a South African succulent with a pine-cone-patterned brown trunk and willow-like leaves. An intermediate-level caudiciform reaching about 20 cm tall and 7.5 cm thick — here's what to know before growing one.

開始照料松果大戟 (Euphorbia bupleurifolia)前需要了解的7件事

1. 1Light and Placement

   During the growing season, this plant thrives in bright light with good airflow, though intense midday summer sun can scorch the leaves — filtered light or partial shade works well at that time of year. In winter, keep it somewhere warm and bright indoors, as it doesn't tolerate cold well.

2. 2Watering Basics

   Water thoroughly once the soil surface has dried out during the growing season, letting excess drain freely from the pot to prevent root rot. Cut back gradually in autumn and keep the soil on the dry side as the plant heads into dormancy.

3. 3Choosing Soil

   A fast-draining mix is essential for keeping the succulent trunk healthy. A blend of akadama, pumice, and perlite (or a similar mineral-rich mix) gives the roots the airflow and drainage they need.

4. 4When to Repot

   Repot during the active growing season, handling the trunk and roots carefully to avoid damage. Move up just one pot size at a time — an oversized pot holds excess moisture and raises the risk of rot.

5. 5Dormant-Season Care

   As temperatures drop, growth slows and the plant may shed some leaves — this is a normal part of its cycle, not a cause for concern. Reduce watering during this period and keep the plant warm and relatively dry.

6. 6Picking a Good Plant

   Look for a trunk with evenly, neatly arranged leaf scars in that signature pine-cone pattern and a firm, plump surface. Avoid plants with a soft or mushy trunk, or dark discoloration near the base, as these can signal rot.

7. 7Handling the Sap

   Like other Euphorbias, this plant releases a white latex sap from cut surfaces that can irritate skin and eyes. Wear gloves when pruning or repotting, wash your hands afterward, and keep the sap away from young children and pets.

松果大戟 (Euphorbia bupleurifolia)的常見問題

Q.Is this a good plant for beginners?

A.It's generally considered suited to intermediate growers rather than complete beginners. With well-draining soil and adequate light, though, it's manageable for anyone who already has some experience growing succulents or caudiciforms.

Q.Is it normal for it to drop leaves in winter?

A.Yes — losing some or all of its leaves as temperatures drop is part of its natural seasonal cycle and usually nothing to worry about. Simply cut back on watering during this dormant period and keep it warm until new growth appears in spring.

Q.How big does it get?

A.The trunk typically reaches around 20 cm in height and about 7.5 cm in diameter, topped with a tuft of slender leaves 7 to 15 cm long. Growth is slow, so the plant's distinctive trunk texture develops gradually over many years.

Q.Where's the best place to keep it?

A.It prefers bright light and good airflow, but intense direct summer sun can scorch the leaves, so some shade during the hottest hours is a good idea. In winter, bring it indoors to a warm, bright spot rather than leaving it exposed to cold.

Q.Is the sap safe to touch?

A.The white latex that seeps from cut surfaces can irritate skin and eyes on contact, so it's best not to handle it with bare hands. Wear gloves when pruning or repotting, and wash your hands thoroughly afterward.

松果大戟 (Euphorbia bupleurifolia)栽培的實用工具

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