These are mainly late spring or summer-flowering perennials, some of them are semi-evergreen or evergreen. The flowers are produced in terminal panicles which bloom in clusters and are fragrant. They are fully to half hardy. Grow in sun or semi-shade in fertile, moist but well drained soil; some species will prefer acidic soil. In light dry soils it is better grown in partial shade. Propagation is by cuttings from non-flowering shoots in spring or summer or by seed in the autumn or spring.
Microclimate
Sun
Shelter
Aspect
Hardiness
Drainage
Semi-moist conditions
Soil Type
Fertile, peaty or composted light well drained soil.
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