- Hardiness Zone: 4-11 Annual
Seed Depth: 1–2 inches
Seed Spacing: 8–12 inches
Row Spacing: 30–36 inches
Sunlight: Full sun
Days to Sprout: 7–14 days
Days to Maturity: 75–85 days
Growth Habit: Upright
Sunlight: Choose a location that receives full sun for at least 6-8 hours a day. Corn thrives in warm, sunny conditions.
Soil: Prefers well-drained, fertile soil with a pH between 6.0 and 7.0. Amend the soil with compost or well-rotted manure to enhance fertility and drainage. Corn is a heavy feeder, so nutrient-rich soil is essential for a good harvest.
When to Plant: Corn is a warm-season crop that should be planted after the danger of frost has passed and the soil has warmed to at least 60°F (16°C). In cooler climates, you can start seeds indoors 3-4 weeks before the last frost date and transplant them outdoors after the soil has warmed.
Direct Sowing: Sow seeds directly in the garden 1-1.5 inches deep and 8-12 inches apart in rows spaced 30-36 inches apart. For optimal pollination, plant corn in blocks of at least four rows rather than in a single row.
Transplanting: If starting indoors, transplant seedlings outdoors when they are about 4-6 inches tall and the soil has warmed.
Watering: Keep the soil consistently moist but not waterlogged. Water corn regularly, especially during dry periods, to ensure even moisture. Corn needs plenty of water during the tasseling, silking, and ear development stages.
Fertilization: Corn is a heavy feeder. Apply a balanced fertilizer or compost at planting time. Side-dress with nitrogen-rich fertilizer when the plants are about 12 inches tall and again when they start to tassel. Mulch around the plants to retain soil moisture and suppress weeds.
Mulching and Weeding: Apply a layer of mulch around the plants to retain soil moisture, suppress weeds, and keep the soil temperature consistent. Hand-pull weeds carefully to avoid disturbing the shallow roots of the corn.
Pollination: Corn is wind-pollinated, so proper planting in blocks is essential for good pollination. If growing in a small garden, you can hand-pollinate by gently shaking the tassels to release pollen onto the silks.
Pest and Disease Management: Corn can be susceptible to pests such as corn earworms, cutworms, and aphids. Use organic pest control methods like neem oil, insecticidal soap, or hand-picking to manage infestations. Practice crop rotation and ensure good air circulation to prevent fungal diseases like rust and smut.
When to Harvest: Golden Bantam 12 Sweet Corn is typically ready to harvest 70-85 days after planting. Harvest when the silks have turned brown and dry, and the kernels are plump and milky when pierced with a fingernail.
How to Harvest: To harvest, hold the ear firmly and twist it downward to snap it off the stalk. For the best flavor, harvest in the morning and refrigerate the ears immediately if not eating them right away.
Storing Fresh Corn: Freshly harvested corn can be stored in the refrigerator for up to a week. For longer storage, corn can be blanched and frozen, or the kernels can be canned or dried.
Plant Characteristics
Appearance: Sturdy green stalks producing 5–6 inch ears with 8–12 rows of bright yellow kernels.
Height: Reaches 5–6 feet tall.
Growth Habit: Upright and vigorous, providing multiple ears per stalk under ideal conditions.
Flavor and Culinary Uses
Flavor Profile: Sweet and tender, with a crisp texture and rich, buttery flavor.
Culinary Uses: Perfect for boiling, grilling, or steaming. Use fresh for the sweetest flavor, or preserve by freezing or canning for later enjoyment.
Companion Planting Tips
Best Companions: Thrives with beans and squash in a traditional “Three Sisters” planting system. Also benefits from planting near cucumbers and melons for complementary growth.
Avoid: Avoid planting near tomatoes to reduce competition and pest overlap.
Common Issues and Solutions
Corn Borers: Use row covers early in the season or apply organic insecticides to protect plants.
Poor Pollination: Plant in blocks rather than single rows to ensure better wind pollination.
Nutrient Deficiency: Apply balanced fertilizer to ensure healthy stalks and full ears.
Seeds Per Packet
5g | Approximately 20 |
7g | Approximately 28 |
10g | Approximately 40 |
20g | Approximately 80 |
Plant Characteristics
Appearance: Sturdy green stalks producing 5–6 inch ears with 8–12 rows of bright yellow kernels.
Height: Reaches 5–6 feet tall.
Growth Habit: Upright and vigorous, providing multiple ears per stalk under ideal conditions.
Flavor and Culinary Uses
Flavor Profile: Sweet and tender, with a crisp texture and rich, buttery flavor.
Culinary Uses: Perfect for boiling, grilling, or steaming. Use fresh for the sweetest flavor, or preserve by freezing or canning for later enjoyment.
Companion Planting Tips
Best Companions: Thrives with beans and squash in a traditional “Three Sisters” planting system. Also benefits from planting near cucumbers and melons for complementary growth.
Avoid: Avoid planting near tomatoes to reduce competition and pest overlap.
Common Issues and Solutions
Corn Borers: Use row covers early in the season or apply organic insecticides to protect plants.
Poor Pollination: Plant in blocks rather than single rows to ensure better wind pollination.
Nutrient Deficiency: Apply balanced fertilizer to ensure healthy stalks and full ears.
Seeds Per Packet
5g | Approximately 20 |
7g | Approximately 28 |
10g | Approximately 40 |
20g | Approximately 80 |
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