Earth Star (Cryptanthus)の育て方・育成ガイド
Cryptanthus spp. (e.g. C. bivittatus) · Bromeliaceae
Earth Star (Cryptanthus)（Cryptanthus spp. (e.g. C. bivittatus)）はテラリウム植物です。 Bromeliaceae科に属します。 原産地はEndemic to eastern Brazil; ground-dwelling bromeliad of the Atlantic Forest regionです。 光量はbright, diffused light; gentle morning/evening sun is fine, midday sun bleaches and shrivels leaves; deep shade dulls colourを必要とします。 適正pH：< 6。 育成難易度：Easy。 生長速度：slow。
Earth Star (Cryptanthus)の育て方・育成方法は？
| 光量 | Bright, diffused light; gentle morning/evening sun is fine, midday sun bleaches and shrivels leaves; deep shade dulls colour |
|---|---|
| CO₂ | Tolerates humid air, but roots should be only moist, never soggy (no figure in sources) |
| pH | < 6 |
| 配置 | SUITS closed and open terrariums – a classic terrarium bromeliad. Plant it in the foreground substrate (it is terrestrial, not mounted like most bromeliads). In a closed tank, avoid a soggy substrate. A tropical plant: keep it warm and frost-free. |
| 生長速度 | Slow |
| 難易度 | Easy |
| 科名 | Bromeliaceae |
Earth Star (Cryptanthus)のトリミングや増やし方は？
Pull off dead leaves; remove the old rosette once it fades after flowering. After small white flowers in the centre, the parent slowly dies and makes pups – detach them at about a third of its size.
Earth Star (Cryptanthus)によくあるトラブルや病気は？
Rotting base from overwatering / waterlogged compost; bleached, shrivelled leaves from direct sun; faded banding from too much shade; mealybugs, scale, mites.
Earth Star (Cryptanthus)のトラブルや枯れへの対処法は？
Water the root zone, not the rosette (there is no central cup); water when the surface starts to dry. Free-draining, humus-rich, slightly acidic mix (e.g. equal peat, bark and coarse sand). Half-strength liquid feed every 2–4 weeks spring to autumn; very sparingly in a closed tank. Older label names may be outdated – many species moved to other genera in 2017.
Earth Star (Cryptanthus)の原産地や生息地は？
Endemic to eastern Brazil; ground-dwelling bromeliad of the Atlantic Forest region
Earth Star (Cryptanthus)を購入する前に知っておくべきことは？
Non-toxic to cats and dogs (NC State). No legal issues found.
出典
- Cryptanthus Otto & A.Dietr. — Kew, Plants of the World Online
- Cryptanthus bivittatus — NC State Extension Gardener Plant Toolbox
- How to grow bromeliads — Royal Horticultural Society
- Bromeliads — UF/IFAS Gardening Solutions
- Cryptanthus — Wikipedia
- Cryptanthus bivittatus — Wikipedia
育成情報は 2026-09-23 にこれらの出典と照合しました。
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