Many of us have the tall border Sedums such as S. spectabile in our gardens – they are extremely reliable, very forgiving, tough as old boots, capable of…
This plant can be given the 'Chelsea chop' in late May to produce a more compact form. May need staking.
You can propagate the perennials, the sub-shrubs and shrubs by softwood cuttings of non-flowering shoots or by division from spring to mid-summer. Or you can grow from seed sown in autumn or spring.
Pests, diseases or disorders
Slugs and snails outdoors, under glass aphids, scale insects, mealy bugs and vine weevil.