Rlc. White Castle ‘PK’ is a large-flowered Cattleya alliance hybrid known for its bold, classic white blooms and strong exhibition-quality form. Commonly referred to as a “big white Cattleya,” this orchid is valued for its clean coloration, broad petals, and impressive flower size when fully mature.

The flowers are typically full and well-formed with thick substance, wide overlapping petals, and a prominent contrasting lip that adds definition to the bloom. When in peak flower, this hybrid produces a striking, elegant display that is highly popular for collectors and show-style orchids.

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• Bright light; some direct morning or late afternoon sun encouraged for best flowering

• Bright light; some direct morning or late afternoon sun encouraged for best flowering

• Intermediate to warm conditions (approx. 60–85°F)

• Typically blooms once per year, with larger displays as plants mature