Polka Dot Begoniaの育て方・育成ガイド
Begonia maculata · Begoniaceae
Polka Dot Begonia（Begonia maculata）はテラリウム植物です。 Begoniaceae科に属します。 原産地はSouth-east Brazil (Espírito Santo, Rio de Janeiro, São Paulo), in the Atlantic rainforest understoreyです。 光量はgood but filtered light for sturdy canes and bright spots; shade from hot sun, which scorches the leavesを必要とします。 適正水温：15°C – 22°C。 育成難易度：Moderate。 生長速度：moderate。
Polka Dot Begoniaの育て方・育成方法は？
| 光量 | Good but filtered light for sturdy canes and bright spots; shade from hot sun, which scorches the leaves |
|---|---|
| CO₂ | High humidity (no figure in sources), but airflow is essential |
| 水温 | 15°C – 22°C |
| 配置 | LARGE CLOSED or OPEN with ventilation – it grows well in big terrariums, but fungal problems mean it needs airflow and regular debris removal. NOT for small jars; only young plants fit, in a tall container, at the back. |
| 生長速度 | Moderate |
| 難易度 | Moderate |
| 科名 | Begoniaceae |
Polka Dot Begoniaのトリミングや増やし方は？
Cut over-long canes back to 2–3 buds in late spring. In a terrarium, remove fallen flowers and dead leaves promptly to prevent rot. Take 7–10 cm stem cuttings in spring, in sandy compost with bottom heat of 18–21°C.
Polka Dot Begoniaによくあるトラブルや病気は？
Powdery mildew or grey mould from stagnant, over-humid air; stem rot and collapse from overwatering (the main cause of losses); mealybugs, spider mites, thrips, whitefly, aphids.
Polka Dot Begoniaのトラブルや枯れへの対処法は？
Increase air circulation and cut away affected parts. Keep moist but never waterlogged, letting the surface dry a little between waterings, less in winter; filtered or rain water is suggested. Light, free-draining, acidic to neutral compost. Liquid feed at alternate waterings while growing. Minimum about 10–15°C.
Polka Dot Begoniaの原産地や生息地は？
South-east Brazil (Espírito Santo, Rio de Janeiro, São Paulo), in the Atlantic rainforest understorey
Polka Dot Begoniaを購入する前に知っておくべきことは？
TOXIC to cats, dogs and horses (ASPCA): soluble calcium oxalates cause vomiting and drooling, and the underground parts are the most toxic. RHS advises gloves and keeping it away from pets; the sap may irritate skin.
出典
- Begonia maculata Raddi (GBIF backbone; distribution from WCVP/Kew) — GBIF / Kew World Checklist of Vascular Plants
- Begonia maculata - spotted begonia — Royal Horticultural Society
- Begonias as houseplants — Royal Horticultural Society
- Begonia - Cane Types — NC State Extension Gardener Plant Toolbox
- Polka Dot Begonia - Cane Types (Begonia maculata) — UF/IFAS Extension Santa Rosa County
- Begonia maculata — Wikipedia
- Large Terrarium Plants — Terrarium Tribe
- Begonia — ASPCA Animal Poison Control Center
育成情報は 2026-09-23 にこれらの出典と照合しました。
最終更新日： · インタラクティブ3Dガイドを開く · すべての水草・生体ガイド一覧