Rosmarinus Officinalis 'Irene' (Irene Rosemary)
Rosmarinus Officinalis 'Irene' (Irene Rosemary)
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Rosmarinus Officinalis 'Irene', commonly known as Irene Rosemary, is a hardy evergreen herbaceous shrub prized for its aromatic foliage, attractive growth habit, and delicate blue flowers. This versatile rosemary variety produces fragrant needle-like green leaves and clusters of small blue blooms that appear through the cooler months and into spring, attracting bees and other beneficial pollinators. Its compact, spreading habit makes it an excellent choice for herb gardens, borders, rockeries, coastal landscapes, and containers.
Highly valued for its drought tolerance, culinary uses, and low-maintenance nature, Irene Rosemary thrives in full sun and well-drained soils. Its fragrant foliage provides year-round interest while adding texture and structure to the landscape. Perfect for gardeners seeking a reliable Mediterranean-style plant, this versatile variety offers beauty, practicality, and resilience in both ornamental and edible gardens.

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Mature height
60–90 cm
Mature width
90–120 cm
Spacing
60–90 cm
Evergreen/Deciduous
Evergreen
Foliage
Deep green aromatic foliage with pale blue flowers
Flowering Period & Fruit Development/Harvest
Winter to Spring (often sporadic throughout the year)
Sun tolerance
Full Sun
Maintenance
Low; prune lightly after flowering to maintain shape and encourage bushy growth. Drought tolerant once established and prefers well-drained soil.
Root System
Fibrous, moderately spreading, non-invasive root system suited to garden beds, borders, rockeries, and containers.