How to Grow Clary Sage

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Clary Sage

Salvia sclarea

herb

Clary sage is a striking biennial or short-lived perennial herb featuring large, wrinkled leaves and tall spikes of showy flowers in shades of white, pink, purple, or blue. It produces a distinctive musky-sweet aroma and has been historically used in herbal medicine, perfumery, and culinary applications. The plant is ornamental, aromatic, and attracts pollinators.

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Example Clary Sage timeline · Pittsburgh, PA (Zone 6b)

Plant Clary Sage
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Clary Sage
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Clary Sage dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun, 6-8 hours daily; tolerates partial shade

💧

Water: Moderate watering; allow soil to dry between waterings. Drought-tolerant once established. Overwatering leads to root rot.

📏

Spacing: 18 inches

📅

Days to maturity: 150-180 days (typically flowers in second year as biennial)

🌱

Planting depth: 0.25

Soil

Type: Well-draining loamy or sandy soil

pH: 6.0-7.5

Amendments:

compost aged manure perlite for drainage limestone if soil is acidic

Growing Zones

Find your zone →

Thrives in zones 4-9; prefers cooler to moderate climates

4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

Seedling

2-3 weeks

Tiny seedlings emerge with first true leaves; plants are small and delicate

Keep soil moist but not waterlogged; provide bright light; thin seedlings to proper spacing

Rosette (First Year)

6-8 months

In first year, clary sage forms a low rosette of large, wrinkled, hairy leaves at ground level

Water moderately; apply mulch to retain moisture and suppress weeds; no fertilizer needed if soil is decent

Stem Elongation

3-4 weeks

In spring of second year, tall flowering stems emerge from the rosette, reaching 2-4 feet tall with smaller leaves along the stem

Stake taller varieties if needed; maintain consistent moisture; reduce watering slightly as stems harden

Flowering

6-8 weeks

Dramatic flower spikes develop with whorled blooms in white, pink, purple, or blue; colorful bracts often overshadow the flowers

Deadhead spent flowers to encourage prolonged blooming; minimal fertilizer; avoid overwatering

Seed Maturation & Harvest

4-6 weeks

Flowers fade and seed pods develop; seeds mature and turn brown within papery husks

Allow some flowers to remain for seed collection; harvest flower heads when dry; plants may self-seed

Companion Planting

Plan your garden →

Plant with:

lavender rosemary thyme marjoram oregano catmint alliums borage bees balm

Avoid planting near:

fennelbasil kochia

Common Pests

Spray with water to dislodge; increase humidity; use neem oil if severe
Yellow sticky traps; insecticidal soap; encourage natural predators
Improve air circulation; avoid overhead watering; apply sulfur dust or baking soda spray
and
Handpick; use slug baits; create barriers with copper tape or diatomaceous earth

Uses

🍳

Herbal tea & flavoring

Culinary

Fresh or dried clary sage flowers and leaves create a mild, slightly peppery herbal tea with subtle floral notes. Historically used to flavor wines, ales, and vermouth. [source]

💊

Traditional herbal remedy

Medicinal

Clary sage has been traditionally used in herbal medicine for digestive support, hormonal balance, and relaxation. The essential oil and herbal infusions are believed to have anti-inflammatory and astringent properties. [source]

🏠

Essential oil & perfumery

Household

Clary sage essential oil is prized in perfumery and aromatherapy for its warm, musky, slightly fruity scent. It's used in high-end fragrances, soaps, and natural cosmetics. [source]

🎨

Dried flower arrangements

Craft

The striking flower spikes dry beautifully and retain their color for months, making them popular for dried floral arrangements, wreaths, and decorative crafts. [source]

🦋

Pollinator support

Wildlife

Clary sage flowers attract bees, butterflies, and other pollinators, making it a valuable addition to bee gardens and pollinator-friendly landscapes. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest flower spikes in mid-to-late summer when blooms are full but still vibrant. Cut with sharp scissors just above a leaf node. Dry flowers by hanging in bundles in a cool, well-ventilated area. For seeds, allow flowers to dry on the plant, then collect seed heads and thresh to release seeds. Leaves can be harvested anytime during the growing season by pinching off top growth.

Fun Facts

🌱 Clary sage is a biennial, meaning it grows leaves the first year and flowers the second year, then dies—though it readily self-seeds.
🌱 The common name 'clary' derives from the medieval name 'clear eye,' as the seeds were historically used to remove debris from the eye by creating a mucilaginous coating.
🌱 Clary sage was once widely used to adulterate or replace expensive hops in beer brewing, earning it the nickname 'clary beer' in medieval England.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Biennial Deadhead Full Sun Mulch Partial Shade Perennial True Leaves

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