How to Prune giant hyssop 'Violet Vision'?
Remove spent flower spikes as they fade
giant hyssop 'Violet Vision' · Pruning
giant hyssop 'Violet Vision' · Agastache 'Violet Vision'
Grow in fertile, well-drained soil in full sun
Watering: Moderate regular watering, avoid prolonged drought or waterloggingSunlight: Full sunInformation to be completed