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Corn Seeds, Martian Jewels
Description
(Zea mays) Sweet Corn. An extraplanetary combination of pale, nearly white kernels and purple cobs and husks. Harvest right away for delicate, slightly sweet corn on the cob, or wait a bit longer to use in soups or bread. You can wait even longer to harvest the dried kernels to grind for flour, or just use the strikingly colored dry ears for decoration!
- 80-90 days to maturity
- Full to partial sun
- Sprouts: 7 - 10 days
- Surface Temperature: at least 60 F for planting
- Ideal Temp: 75 - 80Â
- Seed Depth: 1 - 2 inches
- Plant Spacing: 12"
- Frost Hardy: No
Growing Tips
Martian Jewels corn thrives in full sun and well-drained soil. It grows best in soil with a pH between 6.0 and 6.8, enriched with compost or well-rotted manure. For optimal growth, maintain consistent soil moisture and avoid waterlogging, as this can lead to root rot. Regular weeding is crucial to reduce competition for nutrients and water​.
When to Grow
Plant Martian Jewels corn well after the last frost date in your area, once the soil has warmed up. This variety is suitable for USDA zones 4 and above, flourishing in regions with warm summers. For specific frost dates, refer to local resources to match your planting schedule to your U.S. zone.
How to Sow and Plant
Direct sow Martian Jewels corn seeds when soil temperatures reach about 60 degrees F, after all danger of frost is past. Plant the seeds 1-2 inches deep. Space the plants about 12 inches apart in rows spaced 30-36 inches apart. The ideal growing temperatures are 75-80 F. For optimal pollination, plant corn in blocks of at least four rows rather than a single long row​​. Succession planting prolongs harvest.
How to Grow
Maintain consistent soil moisture throughout the growing season, especially during tasseling and ear development. Apply a balanced fertilizer at planting and side-dress with nitrogen-rich fertilizer as the plants grow. Mulching around the plants can help retain moisture and suppress weeds. Monitor for common pests like corn earworms and aphids, and use organic pest control methods if needed​.
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
When should I plant Martian Jewels corn?
Plant when soil temperatures reach about 60 degrees F, after all danger of frost is past.
How often should I water Martian Jewels corn?
Keep the soil consistently moist, especially during critical growth stages like tasseling and ear development, but avoid waterlogging.
What pests affect Martian Jewels corn?
Common pests include corn earworms and aphids. Regular monitoring and organic pest control methods are recommended to manage these issues​​.
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