Common Pests & Diseases
Diseases
Can suffer from powdery mildews
Pests
Generally pest-free
Explore the plant health library →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
Can suffer from powdery mildews
Generally pest-free
Explore the plant health library →