🌿 Rosemary

Salvia rosmarinus (formerly Rosmarinus officinalis)

herbs Perennial woody shrub Lamiaceae

☀️ Sun

Full sun; 6-8 hours minimum. Essential for oil production.

💧 Water

Drought-tolerant once established. Water deeply but infrequently. Overwatering is the #1 killer.

🗺️ Zones

USDA zones 7-10 (some cold-hardy varieties to zone 6)

🧪 Soil pH

6.0-8.0 (prefers alkaline, well-drained, sandy soil; excellent drainage essential)

🪴 Soil Type

Very well-draining, sandy soil; pH 6.0-7.5. Does NOT tolerate wet feet. Add sand/perlite for drainage.

📏 Spacing

24-36 inches apart (grows into large shrub)

📐 Height

2-6 feet depending on variety

⏱️ Maturity

Can harvest lightly first year; full harvest from year 2 onward

🍴 Edible Parts

🍽️ Leaves 🍽️ Flowers

Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone

🤝 Companions (17)

🤝 Beans

Rosemary repels bean beetles and other pests.

🤝 Broccoli

Rosemary repels cabbage moths and flea beetles from broccoli; strong aromatic deterrent.

🤝 Brussels Sprouts

Rosemary's strong scent confuses cabbage pests; both thrive with good drainage.

🤝 Cabbage

Rosemary deters cabbage moths and loopers; aromatic Mediterranean herb companion.

🤝 Carrot

Rosemary repels carrot flies with its strong scent; both prefer well-drained soil.

🤝 Cauliflower

Rosemary deters cabbage pests from cauliflower; aromatic companion planting.

🤝 Collard Greens

Rosemary repels cabbage-family pests from collards; strong-scented deterrent.

🤝 Hyssop

Both are aromatic Mediterranean herbs that attract bees and repel pests together.

🤝 Kale

Rosemary deters cabbage moths from kale; aromatic oils confuse pest navigation.

🤝 Lavender

Lavender helps repel pests from Rosemary; mutually protective companion relationship.

🤝 Pole Bean

Rosemary repels bean beetles and aphids from pole beans; both grow well together with spacing.

🤝 Sage

Both Mediterranean herbs with identical growing needs; combined pest deterrence.

🤝 Thyme

Shared dry, sunny growing conditions; complementary aromatic pest protection.

⚠️ Keep Apart (3)

⚠️ Basil

Basil needs more water than rosemary; different growing requirements.

⚠️ Cucumbers

Cucumbers need much more water; rosemary's dry preference conflicts.

⚠️ Potatoes

Rosemary can inhibit potato growth through root competition.

💊 Medicinal Uses

Conditions Treated

💊 Cognitive decline and poor memory (nootropic effects , backed by research) 💊 Poor circulation and cold extremities 💊 Headaches and migraines (especially tension headaches) 💊 Digestive sluggishness and liver congestion 💊 Muscle pain, rheumatism, and neuralgia 💊 Anxiety, depression, and mental fatigue 💊 Hair loss and scalp conditions (stimulates circulation) 💊 Respiratory congestion

Preparation Methods

Memory tea: 1 tsp dried rosemary steeped 10 minutes; combine with lemon balm and sage for cognitive support
Rosemary hair rinse: Strong infusion used as final hair rinse for dark hair and scalp health
Infused oil: Rosemary in olive oil for aching muscles and joints; massage into temples for headache
Tincture: 1:5 in 45% alcohol; 2-4ml 2-3x daily for circulation and cognitive support
Aromatherapy: Essential oil diffused for mental clarity and memory during study/work
Bath: Strong infusion or few drops essential oil in bath for muscle pain
Rosemary wine: Historically, leaves steeped in wine as circulatory tonic

Active Compounds

⚗️ 1,8-cineole ⚗️ Rosmarinic acid ⚗️ Carnosic acid ⚗️ Carnosol ⚗️ α-pinene

⚠️ Safety

Safe in culinary amounts. Avoid medicinal doses during pregnancy (may stimulate uterine contractions). Essential oil can cause skin irritation if undiluted. May interact with blood pressure and diabetes medications. Do not ingest essential oil in large quantities , can cause kidney damage, seizures.

📜 History & Folklore

🏛️ Ancient

Greek scholars wore rosemary garlands during exams for memory. Ancient Egyptians placed rosemary in tombs. Romans used it extensively in medicine and cooking.

🏰 Medieval

Symbol of remembrance , used at weddings and funerals. Burned in sickrooms as fumigant during plague. Strewn in courts of law for protection. 'Rosemary for remembrance' , Ophelia in Hamlet.

🌿 Folk Medicine

Used to 'comfort the brain' and strengthen memory. Hungarian Queen of Hungary's Water (14th c.) , rosemary-based cosmetic that allegedly restored youth. Traditional remedy for 'cold' conditions , poor circulation, cold hands/feet, sluggish digestion.

🛒 Buy Seeds & Plants

Baker Creek Heirloom Seeds Johnny's Selected Seeds Botanical Interests True Leaf Market Burpee Territorial Seed Company

Plot Buddies is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. This does not affect our plant recommendations. We only link to retailers we trust.