The stunning double deep pink flowers of Spring Symphony, with its double flowers are quite something and need to be seen to be fully appreciated. Originally from North America, these are tuberous-rooted herbaceous perennials and is something that is completely different but superb. Very long lasting. Plant in a moisture retaining soil in a sunny part of the garden.
Aspect: Sunnier parts of the garden.
Soil type: free draining Moisture retentive.