Onion Seeds - All In One For Home Gardens

Onion, commonly known as Bulb Onion, is a cool-season vegetable plant cultivated for its layered underground bulbs and upright hollow leaves. The plant develops slender green foliage that grows above the soil while the bulb gradually enlarges beneath the surface. Onions grow best in well-drained fertile soil with full sunlight and moderate temperatures. They are commonly planted in vegetable gardens and raised beds where consistent moisture and loose soil support uniform bulb development during the growing season.

Features

• Cool-season vegetable producing layered underground bulbs

• Upright growth with hollow green leaves

• Suitable for vegetable gardens and raised beds

• Adapted to moderate growing temperatures

• Develops bulbs beneath the soil surface during growth

Specifications

• Scientific Name: Allium cepa

• Common Name (US): Bulb Onion

• Seed Type / Variety: Vegetable seeds

• Growth Habit: Upright bulb-forming annual plant

• USDA Zones: 3 to 10

• Planting Season: Early spring or autumn

• Growing Season: Spring through early summer

• Sowing Season:

  • Zones 3 to 6: March to May

  • Zones 7 to 10: February to April or September to October

• Germination Time and Conditions: 7 to 14 days at 18 to 24 C in moist, well-drained soil

• Sunlight Requirements: Full sun

• Soil Requirements: Fertile, well-drained sandy or loamy soil

• Watering Needs: Moderate watering to keep soil evenly moist

• Mature Plant Size: 12 to 24 inches height; 4 to 6 inches spread

• Plant Spacing: 4 to 6 inches between plants