Excellent low growing, mound plant useful for borders while the taller cultivars make excellent cut flowers.

• 'Artist' series hybrids 12"-14" blue and purple flowers
• 'Blue Hawaii 5.0' 6"-12" blue flowers
• 'Blue Danube'
• 'Blue Pearl'
• 'Shell Pink Hawaii'
• 'Tycoon'

Tall Cut Flower Types

• 'Blue Horizon' 24"-36" mid-blue flowers
• 'Everest Blue'
• 'Fields'
• 'High Tide Blue'
• 'Red Sea' 24" -36" red flowers

Environmental Damage

• Drought
• Drowning and Edema

Fungal Disease

• Gray Mold [Annuals and Herbaceous Perennials] (Botrytis cinerea & paeoniae)
• Powdery Mildew [Annuals and Herbaceous Perennials] (Many genus and species involved)

Herbicide Injury

• Amino Acid (ALS) Inhibitor Herbicide Injury
• Pigment Inhibitor Herbicide Injury
• Plant Growth Regulator (PGR) Herbicide Injury

Additional pests and problems that may affect this plant:

None that are destructive. Powdery mildew, botrytis, root rots.

Mulching too close to the stem can cause crown rots to develop.

Needs good air circulation to prevent fungal disease problems