Dhara Seeds

Giant Grand Colossus Onion Seeds – Extra-Large American Onion Variety

Size

$16.99

Estimated Free Delivery between January 04 and January 07.

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Product Description

Giant Grand Colossus Onion Seeds (30pcs) American-Sized

Characteristics and Uses of Giant Grand Colossus Onion

The Giant Grand Colossus Onion is an impressively large onion variety known for its robust flavor and large size. These onions can grow to massive proportions, making them perfect for slicing, salads, and grilling. They are ideal for gardeners looking to grow giant, flavorful onions.

Growing Conditions for Giant Grand Colossus Onion

  • Light Requirements: Full sun
  • Soil Type: Well-drained, fertile soil
  • Temperature: Prefers cooler growing conditions (55-75°F / 13-24°C)

Planting Tips for Giant Grand Colossus Onion

  • Plant seeds in the early spring, once the soil has warmed
  • Space onion sets 6 inches apart for optimal growth

Watering Instructions and Tips

  • Water regularly to keep the soil moist but not waterlogged
  • Use a mulch layer to help retain moisture and keep weeds at bay

Growing Zones

  • USDA Zones: 3-9

Frequently Asked Questions

Giant Grand Colossus Onion grows best in loose, fertile, and well-draining soil enriched with organic matter.

Use natural pest control methods like neem spray, proper spacing, and and regular plant inspection to protect Giant Grand Colossus Onion plants.

The best time to plant Giant Grand Colossus Onion seeds is during the warm growing season with plenty of sunlight.

A balanced organic fertilizer can help Giant Grand Colossus Onion plants grow healthier and produce better yields.

Giant Grand Colossus Onion plants grow best in full sun and ideally receiving 6–8 hours of direct light each day.

Non-GMO

Dharaseeds are Non-GMO and free from genetically modified organisms.

High Germination Rate

Tested for high viability to ensure successful sprouting.

Heirloom Variety

Open-pollinated seeds preserved for quality and authenticity.

Chemical-Free

Free from synthetic pesticides, herbicides, and additives.

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