Description
Allium Purple Sensation is a popular ornamental onion that produces spherical flower heads composed of tightly packed, deep violet-purple florets. These blooms can reach up to 10cm in diameter and sit atop tall, sturdy stems that can grow up to 90cm in height. The strap-like leaves of the plant are also attractive, adding a touch of green to the landscape. This hardy plant is easy to grow and thrives in full sun to partial shade, making it a great addition to borders and beds. The blooms are also long-lasting and make excellent cut flowers, both fresh and dried.
Key Facts
- Common Name(s):Allium ‘Purple Sensation’
- Hardiness:Fully hardy
- How big will I get? Allium ‘Purple Sensation’ can grow to a height of 1m and a spread of 0.5m.
- Did You Know That:If grown in soil with no sulphur present at all, all Allium species will lose all their typical scent?
Plant Calendar
A rough guide to how this plant will change through the year.
Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | |
Flowering Time | ||||||||||||
Foliage Colour |
J | F | M | A | M | J | J | A | S | O | N | D |
Care Guide
Soil Requirements
Allium ‘Purple Sensation’ is a versatile plant and can cope with wet or drier soils, but prefers there to be decent drainage. This plant can grow in soil with a wide range of pH levels, it is not picky about the pH level of the soil.
Best Position
Allium ‘Purple Sensation’ prefers a sheltered position and requires full sun to thrive, this consists of more than six hours of direct sunshine per day.
Maintenance
Allium ‘Purple Sensation’ is fairly low maintenance and doesn’t require any pruning. Alliums are often kept untouched through Autumn and Winter due to the attractive shape of their seed head which is reminiscent of the flowers just without the colour. Any remaining growth can be cut back in early Spring to encourage fresh growth or immediately after flowering if you are wanting more space in your borders.
Pest, Diseases and Wildlife
Allium ‘Purple Sensation’ is generally pest free, it can be vulnerable to certain diseases such as downy mildew. It is also known to attract bees, butterflies and other pollinators. It is toxic to cats and dogs.