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Elevate your garden with the striking Giant Purple Allium Giganteum, known for its large, globe-shaped violet-purple flower heads atop tall, sturdy stems. These organic, Non-GMO perennial seeds are perfect for creating dramatic focal points in borders, beds, and container gardens.
Allium Giganteum is a hardy, low-maintenance plant that attracts pollinators such as bees and butterflies, making it both a beautiful and environmentally friendly addition to any garden. Ideal for gardeners seeking allium seeds, giant purple flower seeds, ornamental onion seeds, organic perennial seeds, and Non-GMO garden flowers.
Produces large, spherical violet-purple blooms
Tall stems make it ideal for borders and focal points
Attracts bees, butterflies, and pollinators
Organic and Non-GMO premium seeds
Low-maintenance perennial plant
Suitable for garden beds, containers, and landscapes
Dramatic and elegant addition to any garden
Common Name (US): Giant Allium / Ornamental Onion
Botanical Name: Allium giganteum
Plant Type: Perennial flowering onion
Flower Color: Purple
Bloom Season: Late spring to early summer
Sunlight: Full sun
Soil pH: Neutral to slightly alkaline
Hardiness Zones: 4–9
Height: 36–48 inches
Spread: 12–18 inches
Life Cycle: Perennial
GMO Status: Non-GMO
Plant Use: Garden beds, borders, containers, cut flowers, ornamental landscapes
Soak seeds in water for 24 hours before sowing to improve germination
Sow seeds indoors in early spring or outdoors after last frost
Press seeds lightly into soil; do not cover deeply
Maintain consistent moisture until seedlings emerge
Provide full sun for optimal growth and bloom
Space plants 12–18 inches apart to allow large flower heads
Fertilize lightly to support tall stems and abundant flowering
Cut back foliage after blooms fade for next year’s growth
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