Bcd. Tower of Rex ‘Yellow Spider’ is a bold and striking Cattleya alliance hybrid known for its unusual spider-like flower form and bright yellow coloration. This orchid produces large, open blooms with elongated petals that give it a dramatic, spidery appearance while still retaining the fullness and presence typical of Cattleya-type orchids. Its vivid yellow tones make it especially eye-catching in bloom.

Mature plants are capable of producing strong flower spikes with multiple blooms, creating a vivid and sculptural display. Its vigorous growth habit and distinctive flower form make it a standout for collectors who enjoy unusual and highly ornamental orchids.

• Color: Bright yellow to golden-yellow tones
• Size: Large, open flowers with elongated petals
• Fragrance: Often fragrant (varies by clone and conditions)
• Bloom style: Upright spikes with 1–several dramatic blooms

• Epiphytic
• Produces pseudobulbs
• Moderate to vigorous growth
• Sympodial growth pattern

• Bright, indirect light (higher light encourages stronger blooming)

• Allow medium to dry slightly between waterings; avoid constant moisture around roots

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

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