Allium giganteum
giant ornamental onion
- Position: full sun
- Soil: fertile, well-drained soil
- Rate of growth: average
- Flowering period: June to July
- Hardiness: fully hardy
Dense globes of small, star-shaped, lilac-pink summer flowers on towering stems appear in summer above pale green leaves. This gorgeous ornamental onion - the tallest currently available - is perfect for providing vertical interest in a sunny border. Try it dotted in small groups among ornamental grasses, or as part of a Mediterranean scheme - Garden care: Split and divide large clumps in autumn or spring.
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