
Photos are representative and may not match your specific variety.
Glass Gem
CornZea mays
- Full sun
- Zones 2–11
- 120 days to maturity
- Vegetables
- 8" spacing
- High water
- Annual
- pH 6–7.5
Overview
A distinctive presentation in fall displays, the glassy-looking kernels are unique to this variety. Kernels can be popped, but results may vary. Sturdy plants can reach 10' tall. Avg. ear size 6-8". Requires a fairly long growing season for favorable yields. Bred by the late Carl Barnes, an Oklahoma Cherokee who dedicated his career to reclaiming and preserving seed of traditional Native American corns.
Planting
Direct sow after soil reaches 60°F. Plant 1-2 inches deep. Requires full season to mature for best colors.
Growing
Sun: full. Water: high. Soil pH: 6–7.5. Space plants 8" apart. Germination: 7-14.
Pests & diseases
Common pests: Corn earworm, birds (attracted to colorful kernels), European corn borer. Common diseases: Common rust, smut, northern corn leaf blight (generally more resistant than sweet corn).