Begin With Plants
Dendrobium wardianum
Dendrobium wardianum
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Dendrobium wardianum is distributed across the Eastern Himalayas, including Assam, Yunnan (China), Myanmar, Thailand, Vietnam, Nepal, Bangladesh, and Laos. It typically grows as an epiphyte—and occasionally as a lithophyte—in broadleaf evergreen montane forests at elevations of 1,000–2,000 meters.
Features:
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Growth: It develops pendulous, terete (cylindrical) pseudobulbs up to 60 cm long, with swollen nodes and deciduous, lanceolate leaves.
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Flowering:
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Occurs on old, leafless canes—typically winter, flowering into early spring.
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Inflorescences arise along the length of the canes, often bearing 1–3 long-lasting, fragrant flowers with a caramel-like scent.
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Flowers measure up to 10 cm across, with white petals tipped in pale purple, and a pale yellow lip marked with purplish-red stripes; the appearance is distinctive and visually striking.
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Care Tips:
Light & Temperature
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Light: Enjoys bright indirect light—filter strong sun, especially in hotter climates.
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Temperature: Prefers cool to intermediate conditions:
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Summer: ~23–25 °C day / 16–17 °C night (Δ 7–9 °C)
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Spring: ~27–28 °C day / 10–16 °C night
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Winter: ~22–25 °C day / 6–7 °C night (Δ ~15–18 °C).
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Humidity & Rest
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Humidity: Maintain 75–85% from late spring to autumn; drop to around 60% in late winter to late spring.
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Rest Period:
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Requires a cool, dry winter rest to initiate flowering.
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Deciduous—leaves will drop during rest.
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Allow the medium to dry out between waterings; occasional light morning misting helps.
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Watering & Fertilizer
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Growing Phase (spring–autumn): Water moderately to heavily; keep medium moist.
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Rest Phase (winter): Reduce watering; allow drying phases between waterings to mimic natural dryness.
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Fertilizer:
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Apply 1/4–1/2 strength orchid fertilizer weekly during active growth.
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Use high nitrogen in spring to mid-summer and higher phosphorus in late summer to autumn.
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Mounting & Repotting
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Can be mounted on tree fern or cork with vertical support, or grown in a hanging basket with a fast-draining mix.
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Repot or remount in spring right after flowering, as new roots emerge.
Propagation
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Best propagated through division.
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Can also propagate via keikis or stem cuttings.
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