close-up showing purple flowers and slender leaves

Salvia rosmarinus


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Popular perennial shrub that demands a lot of sunlight in exchange for fragrant leaves, which are popular for a multitude of uses.

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Salvia rosmarinus, commonly known as Rosemary, is a popular aromatic evergreen shrub that delights gardeners with its beauty and usefulness. With narrow, needle-like leaves, rosemary releases a delightful fragrance when it’s brushed against. In addition to its ornamental value, rosemary is highly valued for its culinary uses, imparting a distinctive flavor to dishes. As a drought-tolerant plant, rosemary thrives in sunny, well-drained locations, making it an excellent choice for water-wise gardens and landscapes. Furthermore, its attractive blue flowers attract pollinators, supporting biodiversity in the garden. Rosemary’s ability to repel certain pests adds to its benefits as a gardening plant, making it a must-have for both novice and experienced gardeners alike.

Plant Details:

Other Scientific Names: Rosmarinus officinalis

Other Common Names: Dew of the Sea

Plant Type: Flower, Perennial, Shrub

New Jersey Native: No

Bloom Times: Summer

Bloom Colors: Blue, Purple, White

Deer Resistance: High

Attracts Pollinators and Wildlife: Bees and Other Pollinators, Butterflies

Salt Tolerance: Medium

Hardiness Zone: 7b

Physiographic Region: Coastal Plain - CP

Soil Characteristics

Soil Type: Loam

Soil Moisture: Dry, Moist

Soil pH: Slightly Acidic, Neutral

Light Needs of Plant

Optimal Light: Full Sun

Light Range: Full Sun

Water Needs of Plant

Soil Moisture: Dry, Moist

Drought Tolerance: High

Size and Growth Rate

Height: 2 - 6 ft

Spread: 2 - 4 ft

Growth Rate: Medium