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Tarragon height by variety: French vs Russian growth differences
Tarragon is a classic herb with two primary varieties—French tarragon and Russian tarragon—each with distinct growth habits. If you're planning your herb garden, knowing their mature heights will help you decide between garden beds or containers.
French tarragon, the true Artemisia dracunculus, is the gold standard for flavor, while Russian tarragon is a hardier but slightly less flavorful alternative. Let’s break down their growth differences to help you choose the right fit for your space.
French tarragon typically reaches a mature height of 2 to 3 feet, with a spread of about 18 to 24 inches. It grows in a clumping habit, making it ideal for garden beds where you can space plants 12 to 18 inches apart.
Russian tarragon, on the other hand, tends to be slightly taller, often hitting 3 to 4 feet, with a broader spread of up to 3 feet.
Its growth is more aggressive, which can be an advantage if you want a lush, bushy plant but may require more space or pruning to control.
Here’s a quick comparison to visualize their growth differences before diving deeper:
French tarragon’s compact stature makes it perfect for smaller gardens or even large containers. Its slender stems and delicate leaves are prized in culinary uses, but they also mean it’s less tolerant of harsh conditions.
Russian tarragon, while taller, is more drought-tolerant and cold-hardy, making it a better choice for USDA zones 3–8 if you live in colder climates. However, its flavor is often described as slightly milder, with a more artichoke-like taste compared to the classic anise flavor of French tarragon.
If you’re growing tarragon in containers, French tarragon will thrive in a 12-inch pot, while Russian tarragon may need a 16-inch pot to accommodate its broader spread.
Both varieties benefit from well-draining soil and full sun exposure, but Russian tarragon’s hardiness means it can handle slightly poorer soil conditions. For the best results, mix in compost to ensure both varieties get the nutrients they need to reach their full height potential.
Another key difference lies in their growth rate. French tarragon grows more slowly, taking about 2–3 years to reach its mature height, while Russian tarragon can grow more quickly, especially in ideal conditions.
This faster growth can be an advantage if you’re looking to establish a tarragon patch quickly, but it also means you’ll need to prune regularly to keep it from becoming too leggy or woody.
For gardeners in small spaces, French tarragon is often the better choice due to its manageable size and superior flavor. However, if you’re in a warmer climate or need a hardier option, Russian tarragon’s taller stature and resilience might be worth the trade-off.
Both varieties are perennial, meaning they’ll return year after year, but their growth habits will evolve as they mature. With proper care, you can enjoy fresh tarragon leaves for decades!
When planting, consider your garden layout. French tarragon’s clumping habit makes it great for border plantings or alongside other herbs like thyme or rosemary. Russian tarragon’s broader spread works well as a background plant or in a dedicated herb spiral.
Regardless of which variety you choose, understanding their growth differences will help you create a thriving, low-maintenance herb garden that fits your space perfectly.
Pro tip: If you’re unsure which variety to plant, start with French tarragon for its superior flavor and classic growth habit. Once you’ve mastered its care, you can experiment with Russian tarragon to see how its taller stature and hardiness perform in your garden.
Tarragon height by variety: French vs Russian growth differences
Tarragon’s mature height typically ranges between 2 to 4 feet, but the variety you choose—French or Russian—will influence how much space it needs in your garden.
French tarragon (Artemisia dracunculus) is the classic, flavorful type most gardeners grow, while Russian tarragon (Artemisia dracunculus 'Russian') is a hardier, sterile alternative. Both grow upright but differ in spread and bushiness, which affects their ideal spacing.
French tarragon is the gold standard for culinary use, reaching 3 to 4 feet tall with a 2-foot spread. Its slender, arching stems make it perfect for tall herb gardens or as a backdrop for shorter plants.
Russian tarragon, on the other hand, tends to be slightly taller and bushier, often hitting 3.5 to 4.5 feet with a 3-foot spread, making it ideal for filling larger garden beds or containers.
🌿 Tarragon Variety Comparison
| Variety | Mature Height | Spread | Ideal Spacing (In-Ground) | Container Size (Minimum) |
|---|---|---|---|---|
| French Tarragon | 3–4 ft | 2 ft | 18–24 inches apart | 12–15 inch pot |
| Russian Tarragon | 3.5–4.5 ft | 3 ft | 24–30 inches apart | 15–18 inch pot |
If you’re growing tarragon in containers, French tarragon thrives in 12–15 inch pots, while Russian tarragon needs 15–18 inch pots to accommodate its larger root system. Both varieties benefit from well-draining soil and regular pruning to maintain compact growth and encourage bushiness, especially in confined spaces.
For herb spirals or vertical gardens, French tarragon’s narrower spread makes it a better fit, as it won’t overcrowd smaller spaces. Russian tarragon, with its wider growth habit, is better suited for larger garden beds or as a privacy screen along fences or borders.
One critical factor to remember: tarragon is a perennial, meaning it grows back each year and can increase in size over time. In year one, expect 1–2 feet of growth, but by year three, it will reach its full mature height.
Plan accordingly to avoid overcrowding other plants in your garden.
To maximize flavor and yield, harvest leaves regularly throughout the growing season. This not only keeps the plant bushier and more compact but also prevents it from flowering, which can reduce its aromatic qualities. A well-maintained tarragon plant will reward you with abundant, fragrant leaves for years to come!