Allium 'PURPLE SENSATION'

Allium 'PURPLE SENSATION'
ornamental onion
ornamental onion
SIZE/TYPE | mid-sized perennial |
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USUAL HEIGHT | 0.6-0.8m |
USUAL WIDTH | 0.2 |
LEAVES | deciduous broadleaf |
COLOUR OF LEAVES |
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FLOWERS | showy |
COLOUR OF FLOWERS |
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BLOOMING TIME | May - June |
LOCATION | full sun |
SOIL TYPE | any (acidic to alkaline) |
SOIL MOISTURE REQUIREMENTS | evenly moist but well-drained |
USDA zone (lowest) | 4 (down to -34°C) |
WINTER PROTECTION | |
FOR ZONE 5+6 |
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FOR ZONE 7 |
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BELONGS TO CATEGORIES | Perennials |
Ornamental onion is an attractive bulbous perennial commonly found all around mountainous regions of northern hemisphere. Most sought-after varieties are those with huge globular inflorescence in mid spring, yet there are others that bloom in the middle of summer offering handsome foliage all season round.
Purple Sensation is a large-flowered Persian onion with 10-12 cm wide flower heads. They are composed of numerous star-shaped, rich purple violet flowers from late May until mid June. They appear atop strong, about 60-80 cm tall stems. Strap-shaped, basal leaves are light to pale green, and die back soon after the peak flowering phase. You can remove them or let them wilt and compost in situ if their unsightly state is not irritating.
Large flowered ornamental onions need very well-drained soil or sand-based loam, and location in full sun. Avoid soils that remain wet especially when the plant is dormant. Should you have no other choice dig up the plant in midsummer, and plant it in a pot that is kept away from excess rain until early spring when it can be transplanted to the ground again, now with new roots that developed in the pot during dormancy. The bulb should be at least 5 cm or better 10 cm below the ground level. The stems are strong enough to withstand common weather caprices, however, open and exposed locations (windy seaside, large open fields, smooth mountain slopes etc.) are not recommended. In spite of the garlic/onion smell no part of the plant is edible. Hardy to about. -34 °C (USDA zone 4).
Last update 07-04-2022
Purple Sensation is a large-flowered Persian onion with 10-12 cm wide flower heads. They are composed of numerous star-shaped, rich purple violet flowers from late May until mid June. They appear atop strong, about 60-80 cm tall stems. Strap-shaped, basal leaves are light to pale green, and die back soon after the peak flowering phase. You can remove them or let them wilt and compost in situ if their unsightly state is not irritating.
Large flowered ornamental onions need very well-drained soil or sand-based loam, and location in full sun. Avoid soils that remain wet especially when the plant is dormant. Should you have no other choice dig up the plant in midsummer, and plant it in a pot that is kept away from excess rain until early spring when it can be transplanted to the ground again, now with new roots that developed in the pot during dormancy. The bulb should be at least 5 cm or better 10 cm below the ground level. The stems are strong enough to withstand common weather caprices, however, open and exposed locations (windy seaside, large open fields, smooth mountain slopes etc.) are not recommended. In spite of the garlic/onion smell no part of the plant is edible. Hardy to about. -34 °C (USDA zone 4).
Last update 07-04-2022
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