Rosemary

Salvia rosmarinus

Lamiaceae

A resinous Mediterranean shrub for memory, circulation, and roast potatoes.

Culinary herb.

Parts used: Leaf · Flowering tips
Traditional notes: Mental fog · Poor circulation / cold hands · Culinary bitter-aromatic · Hair rinse folklore
Grow · USDA 6b: Woody perennial, USDA 8–10; pot and overwinter north. Cuttings root more truly than seed. In work: Apr · May · Jun · Jul · Aug · Sep
Harvest: Snip tips year-round once woody.

A south wall and gravel. Wet winters kill more plants than frost.
Start from cuttings — seed is slow and variable.
Never strip a stem to brown wood. Take tips.

Safety

Seizure disorder (concentrated oil) Pregnancy in medicinal — not food — amounts

Companions

Plant with Cabbage, Carrot, Chives, Corn, Fig, Garden sage.

Keep apart from Cucumber.

Lore

Ophelia hands it out for remembrance. Students in Greece supposedly wore it for exams. The Latin ros marinus is dew of the sea, a cliff plant that learned to live in pots and pork roasts.

The Herbarium — a teaching catalog, not a clinic. Traditional use is history, not a prescription. USDA 6b dates are a week either way, not a promise. Do not eat, drink, or harvest a plant you cannot name.