Home → WV Guide → Planting Guide → Herbs → Herb 07 Rosemary

Herb 07 Rosemary

Growing resilience through ancient wisdom and modern practice

← Back

Herb 07 Rosemary

layout: base.njk title: "Rosemary" plantName: "Salvia rosmarinus (formerly Rosmarinus officinalis)" category: "Herbs" description: "Growing guide for Rosemary in West Virginia Zone 6b/7a" tags: planting-guide

Type: Perennial (marginal in Zone 7, grow in pots for overwintering)
Family: Lamiaceae (Mint family)
Sun: Full sun
Water: Low (drought-tolerant once established)
Soil pH: 6.5-7.5
Hardiness: Zones 7-10 (Zone 6 with heavy protection or containers)

📅 Planting Calendar (WV Zone 6b/7a)

Method Timing Notes
Start cuttings indoors March 1 - April 1 Root cuttings, transplant after frost
Start seeds indoors February 1 - March 1 Very slow germination, 8-10 weeks before
Plant nursery plants May 15 - May 30 After all frost danger
First harvest 90-120 days from cutting Light harvest first year
Overwinter containers November Bring indoors before frost

🌱 Expected Yield

  • Per plant: ¼-½ lb fresh sprigs per season (Year 2+)
  • Per patch (10'x10'): 3-5 lbs fresh (if survives, 6-8 plants)
  • Lifespan: 5-10 years if survives winters; often grown as annual in Zone 6

🌿 Growing Conditions

  • Soil: Sandy, well-drained, poor to moderate soil. Excellent drainage ESSENTIAL. Tolerates alkaline soil. Does NOT like clay, rich soil, or wet conditions.
  • Fertilizer: Very light feeder. No fertilizer needed. Too much = weak growth, less fragrance.
  • Mulching: 1-2" gravel or sand. Avoid organic mulch (retains moisture, causes root rot).
  • Companions: Thyme, sage, lavender, other Mediterranean herbs
  • Avoid: Moisture-loving plants
  • Pests: Generally pest-free. Spider mites indoors. Powdery mildew in humid conditions. Deer resistant.
  • Diseases: Root rot (fatal), powdery mildew. Good air circulation and drainage critical.
  • Containment: NOT invasive. Grows slowly. Forms woody shrub. Easy to control.

CRITICAL WINTER SURVIVAL (Zone 6b/7a): - Rosemary is MARGINAL in Zone 7, often dies in Zone 6 - Strategy 1: Grow in containers, bring indoors October-April - Strategy 2: Plant in raised beds with perfect drainage, heavy mulch (12" straw) - Strategy 3: Take cuttings in fall, overwinter indoors, replant spring - Strategy 4: Wrap established plants with burlap, heavy mulch - Expect to lose plants some winters—always have backups!

🏺 Heirloom Varieties (5-10+)

'Common' Rosemary

  • Source: Widespread, most nurseries
  • Notes: Upright growth (4-6'). Cold-hardiest variety. Strong fragrance. Best for cooking and hedges.

'Arp' Rosemary

  • Source: Seed Savers Exchange, Baker Creek, Southern Exposure
  • Notes: Named for Arp, Texas. Most cold-hardy variety (survives Zone 6, sometimes Zone 5). Upright. Mild flavor. Essential for northern gardeners.

'Hill Hardy' Rosemary

  • Source: Hill's Herb Farm, specialty nurseries
  • Notes: Selected for cold tolerance. Upright habit. Good fragrance. Zone 6 survivor.

'Athens Blue Spires' Rosemary

  • Source: Southern Exposure, perennial specialists
  • Notes: Blue flowers. Upright. Cold-tolerant. Vigorous. Attractive.

'Prostratus' (Creeping) Rosemary

  • Source: Johnny's Selected Seeds, Burpee
  • Notes: Trailing habit (6-12" tall, 4-8' wide). Good for hanging baskets, rock gardens. Mild fragrance. Less cold-hardy.

'Golden Rain' Rosemary

  • Source: Specialty nurseries, perennial collections
  • Notes: Yellow-variegated foliage. Ornamental. Prone to frost damage. Grow in pots.

'Albus' (White) Rosemary

  • Source: Herb specialists, rare collections
  • Notes: White flowers. Upright. Good fragrance. Unusual variety.

'Blue Boy' Rosemary

  • Source: Johnny's Selected Seeds, Burpee
  • Notes: Dwarf (1-2' tall). Compact. Good for containers. Cold-tender.

'Miss Jessopp's Upright' Rosemary

  • Source: European collections, herb specialists
  • Notes: English selection. Very upright. Strong fragrance. Cold-hardy. Traditional variety.

'Sudbury Blue' Rosemary

  • Source: Canadian nurseries, cold-climate specialists
  • Notes: Selected in Canada. Extra cold-hardy. Blue flowers. Upright. Best for Zone 5-6.

'Tuscan Blue' Rosemary

  • Source: Johnny's Selected Seeds, Burpee
  • Notes: Vigorous (6-7' tall). Pink-tinged flowers. Thick stems. Less cold-hardy. Spectacular in warm zones.

📜 Cultural History & Domestication

Domesticated: Ancient Mediterranean, 3,000+ years ago

Archaeological Evidence: Native to Mediterranean region (Spain, France, Italy, Greece). Used in ancient Egyptian, Greek, Roman cultures.

Historical Record: - Ancient Egypt: Rosemary found in tombs, used in embalming - Ancient Greece: Theophrastus (300 BCE) described rosemary. Students wore rosemary garlands during exams (memory aid) - Ancient Rome: Rosemary = remembrance. Romans used in cooking, medicine, religious ceremonies. Pliny listed medicinal uses. - Medieval Europe: Rosemary for memory, protection against plague. Brides wore rosemary headdresses, grooms wore sprigs. - Victorian language of flowers: Rosemary meant "remembrance" and "fidelity" - Shakespeare: "There's rosemary, that's for remembrance" (Hamlet, 1600) - 1300s: Hungarian Water (rosemary distillate) famous beauty tonic - Name origin: Latin "ros marinus" = "dew of the sea" (coastal habitat)

Cultural Significance: - Symbol of remembrance: Weddings, funerals, ANZAC Day (Australia) - Greek/Roman students: Rosemary for memory enhancement - Medieval medicine: Antiseptic, circulation stimulant - Victorian tradition: Rosemary in bridal bouquets for fidelity - Australian tradition: Rosemary worn on ANZAC Day (remembrance of fallen soldiers) - Traditional medicine: Memory, circulation, hair growth - Modern science: Carnosic acid has neuroprotective properties - Symbol of loyalty, remembrance, friendship

🌾 Seed Saving / Propagation

  • Seed method: Plants produce small blue/pink/white flowers. Tiny nutlets form. Seeds have low germination rate (often <20%). Harvest when dry.
  • Isolation: 2+ miles (insect-pollinated, crosses between rosemary varieties)
  • Viability: 2-3 years (low viability)
  • Division: Not typically divided (woody shrub)
  • Cuttings: PRIMARY method. Take 3-4" softwood cuttings in late spring/early summer. Remove lower leaves, root in moist medium (perlite, sand). Roots in 3-4 weeks.
  • Special notes: Seeds notoriously difficult. Vegetative propagation strongly recommended. Cuttings preserve variety characteristics. Layering also works (bend branch to soil, encourage roots).

📖 Sources Consulted

  1. West Virginia University Extension. "Growing Rosemary in Containers." WVU Extension Service, 2023.
  2. Royal Horticultural Society. "Salvia rosmarinus (Rosemary)." RHS Plant Database, 2024.
  3. Kowalchik, Claire, and William H. Hylton, eds. Rodale's Illustrated Encyclopedia of Herbs. Rodale Press, 1987.
  4. Ashworth, Suzanne. Seed to Seed: Seed Saving and Growing Techniques for Vegetable Gardeners. 2nd ed., Seed Savers Exchange, 2002.
  5. Texas A&M AgriLife Extension. "Rosemary: Cold-Hardy Varieties." College Station, 2022.

Added to WV Planting Guide 26155 — The Loop Farmstead