How to Propagate giant hyssop 'Raspberry Summer'?
Propagate by division in spring or by semi-ripe cuttings in early summer; it is a short-lived plant so propagate reserve plants each year; propagation for resale is prohibited without a licence
giant hyssop 'Raspberry Summer' · Propagation
giant hyssop 'Raspberry Summer' · Agastache 'Raspberry Summer'
Grow as an annual in colder areas, or as a perennial in warmer areas, in well-drained, fertile soil in full sun in a sheltered position, such as against a south-facing or west-facing wall
Watering: Even soil dampness, cut back watering when cold winter arrivesSunlight: Full sunInformation to be completed