龜背芋

龜背芋的基本資料

栽培難度

適合新手

壽命

多年生（可長期栽培）

體型

盆栽時株高1.2～3公尺、株幅1.8～3公尺。葉片長度可達1.5公尺

澆水

生長期施用緩效肥料

光照及擺放位置

喜歡明亮的光線，但也能耐受較暗的室內環境。光線不足且澆水過多時，葉片會變小且切口減少。夏季強烈直射日光會造成葉燒。

澆水

喜歡濕潤的環境，但過度濕潤會導致根腐。對乾燥環境不夠耐受，表土乾燥後應充分澆水。

溫度及越冬

當溫度降至16℃以下時，應移至室內。若避免霜凍，可成功越冬，是較為耐寒的喜林芋品種。

介質及換盆

使用富含有機質且排水良好的介質。對鹽類積累敏感，應定期用水沖洗至流出盆底，以清除鹽分堆積。

繁殖方法

可用種子播種或莖段扦插繁殖。

病蟲害及注意事項

偶會遭蚜蟲、粉介殼蟲、介殼蟲、薊馬、葉蟎侵害。天南星科植物含有不溶性草酸鈣結晶，咀嚼會引起口腔及嘴唇劇烈疼痛、腫脹、流涎、嘔吐及吞嚥困難。樹液接觸皮膚可能導致皮膚炎。應放置在寵物及幼童無法接觸的地方，操作時應戴手套。

關於龜背芋

Philodendron Selloum is a large houseplant with deeply lobed glossy leaves and thick aerial roots. Easy to grow even for beginners, it reaches 1.2 to 3 meters tall in a pot.

開始照料龜背芋前需要了解的7件事

1. 1Bright indirect light

   This plant thrives in bright, indirect light rather than direct sun, which can scorch its leaves. A spot near a curtained window works well. Consistent bright light year-round keeps growth full and healthy.

2. 2Water when soil dries

   Water thoroughly until it drains from the bottom, but only once the top layer of soil has dried out. Keeping the soil constantly wet can lead to root rot, so let it dry between waterings. Empty any water left in the saucer.

3. 3Use well-draining soil

   A general houseplant potting mix amended with perlite for extra drainage suits its thick root system well. Good aeration helps the roots develop properly. Adding drainage material at the bottom of the pot also helps.

4. 4Repot when root-bound

   Because it grows quickly and develops thick roots, plan to repot into a slightly larger pot every one to two years. Roots emerging from the drainage holes are a sign it's time. Spring to early summer is the best window, when the plant is actively growing.

5. 5Aerial roots are natural

   The thick aerial roots that emerge from the stem are a natural feature of this variety and don't need to be removed. If they grow long and look untidy, you can gently guide them toward the soil or a stake to tidy the shape. They're harmless to touch.

6. 6Reduce water in winter

   Growth slows in winter, so let the soil dry out a bit more between waterings during this period. It's relatively cold-tolerant for a philodendron, but never expose it to frost, and bring it indoors once temperatures fall below about 16°C. Keep it away from drafty windows or direct air-conditioning airflow.

7. 7Choosing a healthy plant

   When choosing a plant, look for leaves with deep lobes and a glossy sheen, with few yellowing or damaged ones. A sturdy, firmly rooted stem is another good sign. Healthy-looking aerial roots often indicate the plant will continue growing well.

龜背芋的常見問題

Q.How big does Philodendron Selloum grow?

A.In a pot, it typically reaches 1.2 to 3 meters in height. Its leaves are large too, sometimes growing up to 1.5 meters long. It's worth planning for its eventual size when choosing a spot for it.

Q.Is it suitable for beginners?

A.Yes, it's a hardy, easy-care plant generally considered suitable for beginners. As long as you get the basics of watering and bright light right, it's unlikely to give you serious trouble.

Q.Should I cut off the thick aerial roots?

A.Aerial roots are a natural feature of this variety, so there's no need to remove them. If they bother you visually, you can guide them toward a stake or gently direct them into the soil instead of pulling them off.

Q.When and how often should I repot it?

A.Spring through early summer, while it's actively growing, is the best time. Since it grows quickly, repotting into a slightly larger pot every one to two years, once roots appear at the drainage holes, works well.

Q.What should I watch out for in winter?

A.Growth slows down, so water a little less often and let the soil dry out more between waterings. It's fairly cold-tolerant for a philodendron but can't take frost, so bring it indoors once temperatures drop below about 16°C and keep it away from chilly windows and direct air-conditioning airflow.

龜背芋栽培的實用工具

在圖鑑中詳細了解龜背芋

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