|RHS Hardiness Zone
|> 67.5 cm
|Classified as D2 WWY-R (Large Cupped).
|Naturalization and massing.
|The creamy-white petals become primrose yellow and are broadly oval with blunt tips while the trumpet is long ball shaped and fuchsia red and flowers in mid-season.
|The Tamar Valley, Cornwall, England.
|About every five years or as the number of blooms decrease lift clumps with a fork after the foliage has withered. Pull the bulbs apart and detach any offsets, replant bulbs three times their own depth and depending on plant size 3-10 cm apart.