Rosmarinus
Salvia rosmarinus
shrubA Mediterranean evergreen shrub prized for its needle-like, aromatic foliage and delicate blue, purple, pink, or white flowers that bloom throughout much of the year in mild climates. Extremely drought- and heat-tolerant, it is widely used as an ornamental and culinary herb. Available in upright and trailing forms suitable for gardens and containers.
Common Problems
Select the problem your Rosmarinus is experiencing to get a treatment guide.
Care Guide
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Light
Full sun (6–8 hours minimum daily); essential for flavor, aroma, and flowering. Tolerates partial shade but may become leggy.
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Water
Low to moderate; water regularly when young until established, then infrequently. Allow soil to dry between waterings; very drought-tolerant once mature.
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Soil
Fast-draining, poor to moderately fertile soil. Add sand or gravel to heavy clay. Prefers slightly acidic to neutral pH.
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Fertiliser
Minimal fertilizer required; apply a balanced feed lightly once in spring. Excessive nutrients encourage weak, leggy growth.
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Temperature
Hardy to 10°F (−12°C) for most cultivars; some varieties hardy to 0°F (−18°C). Prefers warm, dry conditions; protect from wet winters.
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Humidity
Low humidity preferred; ensure excellent air circulation to prevent fungal issues and root rot.
Toxicity
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Non-toxic; culinary herb safe for consumption in normal amounts.
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.