Rosemary ‘Arp’ is the most cold-hardy variety. This evergreen perennial herb has scented, silver-green leaves and blue summer flowers. Valued for its upright habit and straight branches that can be used as skewers.

• Size: 4″
• Rosemarimus officinalis ‘Arp’
• Hardy to: Zone 6b (-5° to 0°F)
• Full sun
• drought-tolerant once established
• Mature Height: 4 to 5 ft.
• Mature Width: 4 to 5 ft.