About
Silas Dyson' is a bushy plant to 90cm tall, evergreen if not cut back by frosts, with small, ovate mid to dark green aromatic leaves. Profuse flowers borne in terminal racemes have dark red-purple calyces; flowers are wine purple in bud, opening to rich crimson, then maturing to a deep pinkish-red over a long flowering period from late spring to autumn.
About the genus
Salvia can be annuals, biennials, herbaceous or evergreen perennials, or shrubs. They have paired, simple or pinnately lobed, often aromatic leaves and 2-lipped flowers in whorls, forming simple or branched spikes or racemes
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH4
Plant details
Plant typeShrubs
HabitBushy
FoliageEvergreen
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants, Coastal, Gravel garden, Mediterranean climate plants
FragranceFoliage
Care notes
CultivationGrow in light, moderately fertile, well-drained soil. Needs a sheltered position but usually overwinters if given full sun and good drainage. Drought tolerant
PruningPruning group 9 in spring, deadhead to prolong flowering
PropagationPropagate by basal cuttings or softwood cuttings in spring or early summer or semi-ripe cuttings in late summer or autumn with bottom heat
Pest resistanceMay be susceptible to leafhoppers, slugs, snails and rosemary beetle
Disease resistanceMay be susceptible to honey fungus (rarely), powdery mildews, verticillium wilt and foot and root rots