Onion Texas Grano


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“Texas Grano” is a well-known variety of onion, especially popular in Texas and other regions with similar climates. It’s a large, sweet onion variety, similar to the Vidalia onion, known for its mild flavor and excellent storage qualities. Here’s a guide on cultivating Texas Grano onions:

Growing Onion Texas Grano:

  1. Climate and Day Length:
    • Texas Grano onions are typically considered intermediate-day onions, meaning they require moderate day lengths for bulb formation and are suitable for regions with varying day lengths.
  2. Planting Time:
    • Start seeds indoors or sow directly in the ground in early spring, typically around February to March, depending on your local climate and the last frost date. Transplant seedlings if started indoors.
  3. Soil and Location:
    • Choose a planting location with well-draining soil that is fertile and rich in organic matter. Onions prefer sandy loam soil with a pH level around 6.0 to 7.0.
  4. Planting Depth and Spacing:
    • Plant onion sets or seedlings around 1-2 centimeters deep and space them approximately 10-15 centimeters apart in rows with 30-45 centimeters between rows.
  5. Watering and Care:
    • Onions require consistent moisture, especially during bulb development. Water deeply but avoid waterlogging the soil.
    • Apply mulch around the onions to retain moisture and suppress weed growth.
  6. Fertilization:
    • Apply a balanced fertilizer suitable for onions according to package instructions or based on soil test recommendations.
  7. Sunlight and Temperature:
    • Ensure the onions receive full sun exposure for the majority of the day. Maintain temperatures between 13-24°C for optimal growth.
  8. Pest and Disease Management:
    • Monitor for common onion pests like onion flies, thrips, or onion maggots. Employ appropriate pest control measures if necessary.
    • Ensure good air circulation to prevent fungal diseases.
  9. Harvesting:
    • Texas Grano onions typically take about 3-4 months to mature. Harvest them when the tops start to yellow and fall over naturally. Gently lift bulbs from the soil, dry them thoroughly, and store in a cool, dry place for long-term storage.
  10. Storage:
  • Cure the onions by allowing them to dry in a well-ventilated area for a couple of weeks before storing them in a cool, dry location.

Always adjust planting and care practices based on your specific local climate conditions and the specific needs of the Texas Grano onion variety for successful growth and harvest. Regular observation and adjustments are crucial for optimal onion development.


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