Allium × 'Medusa' (Ornamental Onion 'Medusa') is a conversation-starting ornamental onion with narrow, grey-green foliage that twists at the tips like a nest of small snakes. As the season progresses, nodding buds rise above the leaves and then open into rounded clusters of amethyst-purple flowers, adding crisp color and texture to beds, borders, and rock-garden style plantings.

Give it a spot with full sun to part shade and well-drained soil. You will get the best performance in lighter, free-draining ground, and plants are especially happy where water does not linger around the crown. Once established, it can handle drier periods, but steady moisture during active growth helps keep foliage and flowering looking their best.

Expect a mature height around 20-24 inches, with a similar spread, making it an easy fit among perennials and ornamental grasses. Use it to punctuate a planting with a bold, architectural look, or repeat it in small groups for a more rhythmic effect. The nectar-rich blooms draw pollinators such as butterflies, while the aromatic foliage is generally avoided by deer and rabbits.

After flowering, you can leave stems in place for structure, or cut a few blooms for fresh arrangements. Tidy up spent foliage as it yellows, and let the plant settle in for a reliable return each year in suitable climates.

Specifications

• Cold hardiness zone: 4-8 (-30 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Growth rate: Moderate
• Mature height: 20-24"
• Spread: 20-24"
• Tolerant of: Deer, Drought, Rabbits
• Attracts: Butterflies
• Edible: Yes

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