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Rosemary

रोजमेरी (Rosemary)
📖 Salvia rosmarinus Spenn.
Verified Agricultural Data (NARC) Herbs & Spices 📅 All Session – All Session 🌡️ 10–28°C ⚗️ pH 6.0–7.5 ⏱️ 85-100 days (from cuttings)
Growing Season & Schedule
🌱
Recommended Growing Window: All Session – All Session

Rosemary requires well-drained, gritty soil and full direct sun (6-8 hours). Takes 85 to 100 days from stem cuttings to achieve vigorous vegetative branching for sprig harvesting.

Description & Overview
Perennial aromatic woody herb featuring needle-like evergreen foliage and delicate blue flowers. Increasingly cultivated across Kathmandu and Pokhara nursery farms for culinary seasoning, herbal teas, and essential oil distillation.
Details & Agronomic Insights
🌟 Positive Attributes & Health Benefits

Rich in rosmarinic acid and carnosic acid with potent neuroprotective and antioxidant properties. Enhances memory recall, supports micro-circulation, and stimulates scalp follicle strength.

⚠️ Precautions & Adverse Notes

Therapeutic concentrations of volatile rosemary oil are contraindicated during early pregnancy. High oral doses can induce gastrointestinal cramping.

🐛 Major Diseases & Pests

Root rot (Phytophthora / Rhizoctonia), Powdery Mildew, and Spittlebugs/Spider Mites under humid unventilated conditions.

💊 Disease & Pest Solutions
  • Maintain strict drainage — never allow standing water in pots or root beds.
  • Drench root zone with Copper Oxychloride (2 g/L) if fungal collar damping is suspected.
  • Apply cold-pressed neem seed extract (3-5 ml/L water) for aphid or mite suppression.
🧪 Fertilizer & Nutrition Recommendations

Very light feeder. Apply 2-3 kg well-composted vermicompost or FYM per bush annually in spring along with a pinch of wood ash.

Planting & Cultivation Guide
🌱 Planting Method Stem Cutting
📏 Seed Depth 0.5 cm
↔️ Seed Spacing 45.0 cm
📐 Row Spacing 60.0 cm
🪱 Soil Type Gritty, well-drained calcareous loam or sandy soil; highly intolerant of wet feet
💧 Water Requirement Low (250-350 mm, drought-tolerant once established)
☀️ Sunlight Full Sun (6-8 hours direct)
🧪 NPK Dose 40:30:30 NPK kg/ha (low fertilizer requirement)
Climate & Altitude Requirements
⛰️ Altitude Range 600–2400 m
🗺️ Suitable Regions Mid-Hills, High-Hills valleys
🌡️ Temperature Range 10–28°C
⚗️ Optimal pH 6.0–7.5
Harvest Information & Yield
⏱️ Maturity Days 85-100 days (from cuttings)
📦 Expected Yield 4 - 8 t/ha fresh sprigs
🔍 Harvest Indicators:

Prune tender young top stems (10-15 cm) prior to flower initiation

Quick Reference
Verified
🌱 Method Stem Cutting
📅 Season All Session – All Session
⏱️ Matures 85-100 days (from cuttings)
💧 Water Low (250-350 mm, drought-tolerant once established)
☀️ Sunlight Full Sun (6-8 hours direct)
🪱 Soil Gritty, well-drained calcareous loam or sandy soil; highly intolerant of wet feet
🗺️ Regions Mid-Hills, High-Hills valleys
🌡️ Temp 10–28°C
⚗️ pH 6.0–7.5
📏 Depth 0.5 cm
📦 Yield 4 - 8 t/ha fresh sprigs
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