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Corn Seeds, Glass Gem Popping
Description
(Zea mays) Popcorn. A beautiful flint or popcorn that comes in nearly every color imaginable. The translucent kernels really do shine brilliantly like glass — on the cob they resemble strands of glass beads! Bred from a number of Native varieties by Carl Barnes, the famous corn collector to whom we owe our gratitude for his life’s work of collecting, preserving, and sharing so many Native corn varieties. The 3- to 8-inch ears are consummately decorative, but edible and delicious as well. It makes firm little morsels when popped; can also be parched, ground into meal, and more. Sturdy plants reach to 9 feet tall and throw numerous sideshoots where the season is long enough.
- 105 days to maturity
- Full sun
- Sprouts in 7-10 days
- Soil Temperature: at least 60 F for planting
- Seed Depth: 1-2"
- Ideal Temperature: 75-80 F
- Plant Spacing: 12"
- Plant Height: 4-5'
- Frost Hardy: No
Growing Tips, Tricks and FAQs
Growing Tips
When growing Glass Gem popcorn, ensure that the soil is well-drained and has a pH between 6.0 and 6.8. This variety of corn thrives in full sunlight and requires consistent moisture, especially during critical growth stages such as silking and tasseling. Maintaining a regular watering schedule is crucial for optimal growth.
When to Grow
Sow Glass Gem corn seeds directly outdoors when soil temperatures reach about 60 degrees F, after all danger of frost is past. This corn requires about 105 days to mature, with sprouts forming in 7-10 days. The ideal growing temperature is 75-80 F. In cooler climates, black plastic can be used to warm the soil before planting​.
How to Sow and Plant
Direct sowing is recommended for Glass Gem corn. Plant seeds 1 to 2 inches deep, spaced 3 to 4 inches apart, in rows 24 to 30 inches apart. Thin seedlings to 12 inches apart once they are a few inches tall. Planting in blocks of at least four rows ensures better pollination, as corn relies on wind to spread pollen. Ensure good soil fertility by adding compost and nitrogen-rich fertilizers during planting​​.
How to Grow
Keep the soil moist and free from weeds, using mulch if necessary to retain moisture and suppress weeds. Monitoring soil moisture levels and applying water consistently will help ensure healthy growth. Diseases such as common smut and leaf rust can be mitigated by ensuring good air circulation and practicing crop rotation​​.
How to Save
- Corn is wind pollinated and will easily cross with other varieties (including GMO corn!). You will need at least 1 mile of isolation to avoid cross pollination. You can also use staggered timing or caging techniques.
- Hand pick ears when fully dried on stalk. Seeds keep best if left on the ear; just remove at planting time.
- Sweet corn seeds will remain viable for 2 years; dent corn will last up to 5 years when properly stored.
FAQ
How long does it take for Glass Gem Popping corn to mature?
It typically takes around 105 days from planting to harvest.
How do I prevent cross-pollination with other corn varieties?
To avoid cross-pollination, do not plant within one mile of other varieties, or stagger planting times so that they tassel at different periods.
What are the ideal growing conditions for Glass Gem Popping corn?
This variety thrives in well-drained, fertile soil with a pH between 6.0 and 6.8. It also requires full sun and a consistent supply of water throughout the growing season.
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