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Light • Plants need the colors blue and red to activate chlorophyll. • Light bulbs are deficient in the color blue. • Fluorescent tubes are deficient in the color red. • Special grow lights are made that carry the correct blue and red wavelengths. • Photoperiod: The length of daylight. • Short Day Plants: Plants that begin to flower when the nights are over 12 hours long. • Long Day Plants: Begin to flower when the nights are under 12 hours long. • Neutral Plants: Flowering response is unaffected by day length. Water • Plants get most of the water through their roots. Some small quantities are also obtained through the stems. • Plants should be watered all the way through the root zone to encourage even root growth. • Container grown plants; containers should have drainage holes, so the water can drain and allow oxygen into the root zone. We use a variety of vegetables within our cooking, and utilize many parts of these plants. • Roots & Storage Roots Beets, cassava (tapioca), horse radish, jicama, potato, parsnip, salsify, sweet, radish, rutabaga and turnip. • Leaves & Leafy Heads Brussels sprouts, cabbage, endive, lettuce, kale, lettuce, parsley. • Immature Flower Cluster (Inflorescence) & Stalk (Peduncle) Broccoli, cauliflower. • Sunflower Head Artichoke. • Stem Asparagus, bamboo shoots and kohlrabi. • Tuber (Modified stem) Jerusalem artichoke, potato, true yams (Dioscorea). • Bulb (modified stem) Chives, garlic, onion. • Corm (modified stem) Taro, water chestnut. • Rhizome Ginger • Leafy Stalk (Petiole) Celery, rhubarb and sweet fennel. Abby's Magazine - Volume 6 Issue 2| Page 37