Gastroenterologists have extensive training in the diagnosis and treatment of conditions that affect the esophagus, stomach, small intestine, large intestine (colon), and biliary system (e.g., liver, pancreas, gallbladder, bile ducts). Gastroenterology is a subspecialty of internal medicine.
Use a lower nitrogen strength fertilizer every fourth feeding. Orchids need fertilizer, but are sensitive if overfed. Cut back fertilizer to 1/4 the normal amount in winter. Never add fertilizer to a dry plant.
4. Water outdoors orchids more frequently than indoor plants because the orchids will be open to air and sunlight, which dry orchids and potting medium faster. 5. Spray outdoors orchids with a mix of water, horticulture oil or neem oil and several drops of liquid dish detergent every 3 weeks to keep insects away.