Marjoram - perennial |
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Propagation: Seed
in AO 25/40 10/10 Temperature:75°F Humidity: 75-85% Germination time:10-15 days. |
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Root /grow: Approximate transplant time: Summer: 4-6 weeks. Winter: 6 weeks. | |
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Transplanting:
To slab or NFT when plants
are 1” high/ 2-3 true leaves. (Slabs are best) PLANT SPACING : 1 inch centers |
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Special nutrient requirements: None |
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Growing time to harvest: (after transplanting) Summer: 5 weeks. Winter: 6 weeks. Number of harvests: 5 + |
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Yield: Summer: 2 lbs per 5 ft. NFT trough. Winter: 1 lbs. per 10 ft. NFT trough. |
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Light: Full sun, grows poorly in low light and generally succumbs to fungus. SUPPLEMENTAL LIGHTING: 700 ft. candles at bench; 14 hors/day during short day months will help, but loss to infection will occur. |
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Sensitive to: Fungal infections: Extremely sensitive to a variety of fungi. Insects: White fly (leaf miner). |
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Notes: Care must be taken to control fungus infection in marjoram. Humidity must be kept low, especially during the short day months to grow year round; supplemental light is necessary if days are shorter than 10.5-11 hours. Do not harvest more than half the leaf area at any one time. | |