Purple Sensation' is probably one of the most popular of all the alliums. They have a striking silhouette which makes them...
Position
Full sun
Rate of growth
Average
Flowering period
June
Soil type
All soil types
Hardiness
Fully hardy
Plants can either be annual, biennial or perennial. It''s important to be able to differentiate between these three in order to plan your garden more efficiently.
In short, a perennial is a plant which returns year after year, but what then is the difference between a perennial and an annual, or even a biennial and why does it matter?
The Chelsea chop is a pruning technique used to encourage plants to flower later in the season. Named after the Chelsea Flower Show in May, it's typically done around late spring. Gardeners cut back early-flowering perennials, such as phlox and sedums, to delay their bloom time, promote bushier growth, and extend the flowering period into late summer.
