Growing Oregano Herbs Indoors
Oregano herbs are heat-loving, pungent herbs that are found in Mediterranean and Mexican cooking. Growing oregano herbs indoors can be an excellent way to bring those flavors to your food. Here are the instructions. Fill a terra cotta plant pot that’s large enough to just accommodate the root ball with well-draining potting soil, such as an equal mix of peat moss and sand. Place oregano herbs growing outdoors in a partly shady spot for two to three weeks to prepare it for moving indoors. Place the pot in a spot in full shade for a further two to three weeks. Move the pot indoors when new growth appears. Place oregano 8 to 10 inches below a fluorescent light or 3 feet below a 400-watt metal halide lamp for 10 to 16 hours each day. Water actively growing oregano when the soil surface is dry, applying water until it runs through the drainage holes. Allow the plant to drain thoroughly before returning it to its drip tray. Reduce watering in winter when growth slows or stops, and apply water when the soil is dry 1 inch below the surface. Mix 1/2 teaspoon of water-soluble 24-8-16 fertilizer with 1 gallon of water or follow the manufacturer’s instructions. Water the oregano with the solution once every two weeks when it is actively growing.
Repot your oregano herbs if you notice its roots growing out the drainage holes of the original pot or if you have to moisten the potting soil more frequently. Harvest oregano leaves when the plant is 6 inches tall by pinching off the desired number of leaves with your thumb and forefinger. Sterilize your pruning shears by wiping the blades with rubbing alcohol; then remove the top one-third of growth in June if the plant is growing vigorously. Sterilize the pruning shears again after use.