Egg-yellow Prosthechea (Prosthechea vitellina)

Egg-yellow Prosthechea

Prosthechea vitellina

Its egg-yellow blooms glow like sunlit teacups. Epiphytic orchid; common name: Egg-yellow Prosthechea.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Bright indirect light; avoid direct midday sun to prevent leaf scorch
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Watering Water thoroughly when potting medium is nearly dry; avoid standing water in saucers
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Temperature Thrives in warm temperatures; avoid drops below 15°C to prevent stress
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Characteristics

  • Leaf: Linear to lanceolate, leathery dark green, 10–20 cm long
  • Flower: Waxy bright yellow blooms, 2–3 cm wide, clustered on upright spikes
  • Pseudobulb: Ovoid green structure storing water and nutrients
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Care Guide

Watering

Keep medium slightly moist; mist foliage 2–3 times weekly to boost humidity

Fertilization

Diluted orchid fertilizer every 2 weeks. Use balanced, diluted liquid fertilizer to avoid burning roots

Banana peel tea:Steep 1 peeled banana in 1L water for 3 days; dilute 1:10 before applying to roots; avoid contact with foliage to prevent fungal growth
Pruning
  • Trim spent flower spikes at the base to redirect energy to pseudobulb growth
  • Remove yellowing or dead leaves to maintain plant health and airflow
  • Divide overcrowded pseudobulbs during spring repotting to encourage new growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental potted orchid; cut flower arrangements