Flowering Onion

Allium is a large genus in the Amaryllidaceae family that includes culinary onions, garlic, chives and many ornamental species. Flowering ornamental species vary widely in mature size, bloom season, and hardiness, so select a species or named cultivar that fits the site. ## Landscape Use and Seasonal Interest Alliums are used in gardens for different reasons: some are grown for edible bulbs or leaves, while others are selected for flowers, foliage or seedheads. Flower form, color, bloom time, mature dimensions and landscape needs depend on the species or named cultivar. Choose an identified plant when planning spacing, seasonality or a climate match. ## Siting Sun exposure, soil drainage, moisture and winter tolerance vary across this broad genus. Check the requirements of the particular Allium being planted rather than relying on a genus-wide estimate. ## Maintenance Care is species-specific. Confirm whether the selected Allium is ornamental or edible, and follow its individual guidance for watering, division, harvest and removal of spent stems. [Kew Plants of the World Online: Allium](https://powo.science.kew.org/taxon/30000901-2)