
Is Creeping Rosemary Edible? Yes – Here's How to Use It Safely
Yes, creeping rosemary (Rosmarinus officinalis 'Prostratus') is edible and safe for human consumption. Like its upright cousin, this trailing variety contains aromatic compounds used in culinary dishes, herbal teas, and natural remedies. However, ensure plants are grown without pesticides and properly identified before eating.
Understanding Creeping Rosemary: Is It Safe to Eat?
Creeping rosemary (Salvia rosmarinus 'Prostratus', formerly Rosmarinus officinalis 'Prostratus') is a low-growing, spreading cultivar of common rosemary. While often used as an ornamental ground cover due to its attractive trailing stems and fragrant foliage, many wonder whether it's safe and useful in the kitchen.
The answer is clear: yes, creeping rosemary is edible. It shares the same botanical lineage and chemical profile as standard culinary rosemary, making it suitable for flavoring meats, soups, roasted vegetables, and infused oils.
Key Characteristics of Creeping Rosemary
- Botanical name: Salvia rosmarinus 'Prostratus'
- Growth habit: Trailing or spreading, up to 2–3 feet wide, 12 inches tall
- Foliage: Narrow, needle-like, dark green leaves with silvery undersides
- Flowers: Typically pale blue to lavender, appearing in spring
- Scent: Strong pine-citrus aroma when crushed
- Culinary use: Leaves are edible fresh or dried
Differences Between Creeping and Upright Rosemary
While both types are edible, there are subtle differences that may influence their use in cooking and gardening.
| Feature | Creeping Rosemary | Upright Rosemary |
|---|---|---|
| Height | 6–12 inches | 3–5 feet |
| Spread | Up to 3 feet | 2–3 feet |
| Leaf Size | Slightly smaller | Larger, broader |
| Essential Oil Content | ~1.8–2.1 mL/100g | ~2.0–2.5 mL/100g |
| Culinary Preference | Moderate; less commonly harvested | High; preferred for cooking |
| Primary Use | Ornamental ground cover | Culinary & medicinal |
The data shows that while creeping rosemary has slightly lower essential oil content, it still contains sufficient aromatic compounds—such as camphor, cineole, and alpha-pinene—for culinary use. The difference in leaf size and yield makes upright varieties more practical for regular harvesting, but creeping types remain fully edible.
Why Creeping Rosemary Is Less Common in Kitchens
- Yield: Lower biomass production compared to upright types
- Accessibility: Often planted in landscape beds or hanging baskets, not always convenient for harvest
- Perception: Marketed primarily as ornamental, leading to consumer hesitation
- Cultivation practices: May be treated with non-edible-grade pesticides or fertilizers in public landscapes
How to Safely Use Creeping Rosemary in Cooking
To enjoy creeping rosemary safely, follow these best practices:
Identification and Sourcing
- Confirm the plant is true rosemary (Salvia rosmarinus) and not a look-alike such as Mexican sage or Lantana
- Only consume plants grown organically without synthetic pesticides or herbicides
- If purchasing from a nursery, verify it’s labeled as safe for culinary use
Harvesting Tips
- Snip young, tender stems in the morning when essential oils are most concentrated
- Avoid woody, thick stems—they are tough and fibrous
- Limit harvest to no more than one-third of the plant at a time to maintain health
Culinary Applications
- Roasted dishes: Add sprigs to roasted potatoes, carrots, or chicken
- Infusions: Steep leaves in olive oil or vinegar for dressings
- Teas: Use 1 tsp dried leaves per cup of hot water (consult doctor if pregnant or on medication)
- Baking: Finely chop and add to focaccia, breadsticks, or shortbread
Potential Risks and Precautions
Despite being edible, creeping rosemary carries some considerations:
- Pesticide exposure: Landscape-grown specimens may have been treated with chemicals unsafe for ingestion
- Allergic reactions: Rare, but possible skin or respiratory irritation in sensitive individuals
- Medicinal potency: High doses may interact with blood pressure medications, anticoagulants, or diuretics
- Pregnancy: Avoid large amounts due to potential uterine stimulation
Always wash leaves thoroughly before use and start with small quantities to assess tolerance.
Frequently Asked Questions About Creeping Rosemary Edibility
Is creeping rosemary the same as regular rosemary?
Creeping rosemary is a cultivar of the same species (Salvia rosmarinus) as upright rosemary. It has a trailing growth habit and slightly smaller leaves but shares the same flavor profile and chemical composition, making it equally edible.
Can I use creeping rosemary in tea?
Yes, you can make herbal tea from creeping rosemary. Use 1 teaspoon of fresh or dried leaves per cup of boiling water. Steep for 5–10 minutes. Note: consult a healthcare provider before regular consumption, especially if you have underlying health conditions.
Are the flowers of creeping rosemary edible?
Yes, the pale blue to lavender flowers are edible and have a milder flavor than the leaves. They can be used as garnishes in salads, desserts, or beverages.
How do I know if my creeping rosemary is safe to eat?
Ensure it was grown without synthetic pesticides or fertilizers. If planted in a public garden or treated for ornamental purposes, assume it's not food-safe. When in doubt, grow your own from a culinary-grade source.
What does creeping rosemary taste like?
It has a piney, slightly citrusy, and woody flavor—very similar to upright rosemary, though some note a slightly more delicate intensity due to marginally lower essential oil concentration.
Can pets eat creeping rosemary?
Rosemary is generally non-toxic to dogs and cats in small amounts, but large ingestions may cause stomach upset. Keep pets from over-consuming ornamental plantings, especially if chemically treated.









