Giganteum Allium Seeds - Flower Plant

Giganteum allium is a bulb-forming ornamental plant known for its tall stems and large globe-shaped flower heads. It thrives in temperate climates and performs best in full sun with well-drained soil. The plant develops upright foliage early in the season and produces striking blooms that are suitable for borders, ornamental beds, and landscape planting. Consistent drainage and moderate moisture support healthy seasonal growth and flowering.

Features

• Ornamental bulb plant with tall flowering stems
• Produces large globe-shaped flower clusters
• Suitable for temperate climates
• Performs best in full sun conditions
• Adapts well to borders and ornamental beds

Specifications

• Scientific Name: Allium giganteum
• Common Name (US): Giant Allium
• Seed Type / Variety: Ornamental flower bulb seed
• Growth Habit: Upright perennial bulb plant
• USDA Zones: 5 to 9
• Planting Season: Fall or early spring
• Growing Season: Spring to early summer
• Sowing Season:
  • Temperate regions: September to November or March to May
• Germination Time and Conditions: 4 to 12 weeks; cool conditions may improve germination
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained, moderately fertile soil
• Watering Needs: Moderate, avoid waterlogging
• Mature Plant Size: 90 to 150 cm height, 30 to 45 cm spread
• Plant Spacing: 20 to 30 cm apart