Zygopetalum Orchid (Zygopetalum mackayi)

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Sunlight Bright indirect light; avoid direct midday sun to prevent leaf scorching

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Watering Water thoroughly when the top 2–3 cm of potting medium is dry; avoid standing water to prevent root rot

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Temperature Thrives in cool to temperate temperatures; avoid sudden drops below 10°C

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Leaf: Linear-lanceolate, leathery dark green leaves growing upright from pseudobulbs
Flower: Waxy 5–7 cm blooms with green sepals, purple-brown petals, and a white lip marked with purple veins
Pseudobulb: Round, fleshy storage structure that retains water and nutrients

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Watering

Keep potting medium evenly moist; mist foliage to maintain 50–60% humidity

Fertilization

Diluted balanced orchid fertilizer every 2 weeks. Avoid fertilizing during dormancy in late autumn

Banana peel compost tea：Use fully composted banana peels; dilute 1:20 with water for root drenching to avoid mold or pest issues

Pruning

Trim spent flower spikes at the base after blooming to redirect energy to pseudobulb growth
Remove yellowing or dead leaves to improve air circulation
Repot every 2–3 years in fresh orchid mix to refresh nutrients and prevent root binding

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; safe for cats to ingest in small amounts

Humans: No toxic effects reported; non-irritating to skin and mouth

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Culture: N/A

Usage: Ornamental potted orchid; cut flowers for floral arrangements due to long-lasting blooms