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Rosemary

Salvia rosmarinus

Herbs📅 80–90 (first significant harvest), then ongoing for years days to harvest☀️ Full sun (6–8 hours)

Overview

Rosemary is a woody perennial herb that can become a permanent, productive fixture in Florida gardens. Unlike most herbs that are planted seasonally, rosemary grows into substantial shrubs — 3 to 5 feet tall — that produce fragrant, flavorful leaves year-round. It's one of the few herbs that actually prefers Florida's sandy, well-drained soils and tolerates drought once established.

The main challenge for rosemary in Florida is not heat or drought — it's excessive moisture. Florida's summer rains and humidity can cause root rot and fungal problems in poorly drained sites. Raised beds, sandy soil, and excellent drainage are the keys to long-lived rosemary in Florida. Prostrate varieties make beautiful groundcovers, while upright types can serve as low hedges or specimen plants.

Growing in Florida

Rosemary adapts surprisingly well to Florida once its one critical requirement is met: drainage. Florida's sandy soils actually suit rosemary, but the summer rainy season can create root rot conditions in heavy or poorly drained sites. UF/IFAS recommends raised beds or containers for rosemary in Florida, especially in areas with high water tables. Rosemary is an excellent choice for Florida xeriscaping — once established, it rarely needs supplemental irrigation except during extended dry spells. Many Florida gardeners use rosemary as an ornamental landscape plant that happens to be edible.

Planting Calendar

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Central FL
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South FL
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Growing Guide

🌱Soil Type
Sandy, well-drained soil — Florida's native sand works well
⚗️Soil pH
6.0–7.5
☀️Sun Requirement
Full sun (6–8 hours)
💧Water Needs
Low — drought-tolerant once established. Overwatering is the primary killer.
📏Spacing
24–36 inches apart (upright), 36–48 inches (spreading varieties)
📅Days to Harvest
80–90 (first significant harvest), then ongoing for years
🧪Fertilizer
Minimal — light application of 10-10-10 once or twice per year. Rosemary prefers lean soil.
🌿Propagation
Stem cuttings root easily. Seeds are slow and erratic.

Companion Planting

🌱 Sage
Similar growing requirements for an efficient herb garden
🌱 Bean
Rosemary repels bean beetles with its strong fragrance
🌱 Cabbage family
Rosemary scent deters cabbage moths and other brassica pests
🌱 Carrot
Rosemary may repel carrot flies with its intense aroma

Pests & Diseases

diseaseRoot Rot
The #1 killer of rosemary in Florida. Ensure excellent drainage. Use raised beds. Never let roots sit in water.
diseasePowdery Mildew
Improve air circulation. Avoid overhead watering. Prune interior branches to open up the plant.
pestSpider Mites
Spray undersides of leaves with strong water jet. Apply neem oil. Increase air circulation.
pestSpittlebugs
Blast off with water. Not usually damaging enough to require treatment on established plants.

Florida Varieties

Tuscan Blue
Upright growth to 5 feet. Strong flavor, large leaves. The most productive culinary variety for Florida.
Arp
Most cold-hardy variety, important for North Florida. Open, spreading habit with good flavor.
Prostrate Rosemary
Trailing variety ideal as groundcover or cascading from containers. Beautiful and productive.
Salem
Upright, vigorous growth with excellent disease resistance. Handles Florida humidity better than most varieties.

Flavor Profile

Texture
Firm, needle-like leaves with woody stems
Best Eaten
Cooked

Nutrition Highlights

Health note: Rosemary is rich in rosmarinic acid and carnosic acid, phenolic compounds with strong antioxidant and anti-inflammatory properties. Traditional medicine has long used rosemary to support memory and cognitive function.

Culinary Uses

Essential with roasted meats, especially lamb, pork, and chicken. Infused in olive oil for bread dipping. Mixed into focaccia and bread doughs. Added to roasted potatoes and root vegetables. Fresh sprigs make aromatic skewers for grilling. Rosemary simple syrup adds complexity to cocktails and lemonade. Woody stems can be stripped and used as aromatic kebab skewers.

Storage Tips

Fresh rosemary keeps 2–3 weeks wrapped in damp paper towels in the refrigerator. As an evergreen perennial in Florida, there's little need for preservation — harvest fresh year-round. For sharing or backup: strip leaves, spread on a baking sheet, and dry in a 170°F oven for 2–4 hours. Rosemary also freezes well in olive oil in ice cube trays.

💡 Fun Fact

Rosemary's scientific name was recently changed from Rosmarinus officinalis to Salvia rosmarinus, placing it in the sage genus. The original Latin name "rosmarinus" means "dew of the sea," reflecting its native habitat on Mediterranean coastal cliffs. In Florida, well-established rosemary plants have been known to survive for 20+ years.