giant hyssop 'Blackadder' · Watering

giant hyssop 'Blackadder' · Agastache 'Blackadder'

Grow in well-drained fertile soil in full sun. Excellent drainage is especially important during the winter months. It can suffer during cold wet winters

Watering: Moderate regular watering, allowing brief slight drying between soakingsSunlight: Full sunInformation to be completed