Shell Ginger
Scientific Name: Alpinia zerumbet (Pers.) B.L. Burtt & R.M. Sm.
Synonym: Alpinia nutans, Alpinia speciosa
Family: Zingiberaceae
Shell ginger at the NYBG
Sunset®: 14-29
USDA: 10-12
Frost Tolerance: Greenhouse plant in Phoenix in winter
Heat Tolerance: All right with shade and moisture
Sun Exposure: Light shade, or morning sun
Origin: China and Japan
Growth Habits: Up to 8 feet tall (2.4 m), clump forming
Flowers: White flowers
Watering Needs: Abundant water, keep in a humid area of the garden in moist soil. Needs high humidity
Propagation: Well rooted divisions or seeds
The rhizomes of the Alpinia are ginger-scented.
Blooming Habits:
The shell ginger has tubular flowers in droopy clusters. The flowers come mostly in summer
Culture:
Use regular application of palm fertilizer (every 2 weeks in summer). The shell ginger likes a slightly acid soil. Every other year trim to ground to prevent legginess.
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