How to Plant Scallions in a Pot

Scallions or green onions are a versatile, low-calorie vegetable that can add flavor and nutrition to various dishes. You can easily grow them in your garden or a pot, and enjoy fresh green onions all year round. If you're new to gardening or just want to try something different, here's a step-by-step guide on how to plant scallions in a pot.

Choose the right type of pot and soil

First, select a pot with a depth of at least 6 inches, and a diameter of 8-12 inches. Scallions have shallow roots, but they still need enough space to grow and spread. Make sure the pot has drainage holes at the bottom, to prevent waterlogging and root rot. Choose a potting mix that's well-draining, loose, and rich in organic matter. You can also add some perlite or sand to improve the drainage, and some compost or fertilizer to provide nutrients.

Sow the scallion seeds

Scallions can be grown from seed or from bulbs. If you're using seeds, sprinkle them evenly and thinly on the surface of the soil, and cover them lightly with a thin layer of soil, about ? inch deep. Space the seeds about 1 inch apart, and water gently with a watering can or a spray bottle. Keep the soil moist but not soaking, and place the pot in a warm, bright spot, such as a windowsill or a greenhouse, where the temperature is around 60-70°F.

Care for the scallions

Scallions are easy to care for, but they still need some attention. Keep the soil moist by watering regularly, but avoid overwatering, as this can cause the roots to rot. Fertilize the scallions every two weeks with a balanced, water-soluble fertilizer, according to the instructions on the label. If the scallions start to grow tall and lean, you can snip off the tips to encourage bushier growth, or stake them with bamboo sticks or plant supports. You can also shade the pot from direct sunlight, especially in hot weather, to prevent the scallions from bolting or turning bitter.

Harvest the scallions

Scallions can be harvested at any stage of growth, from tender sprouts to mature bulbs. When the scallions reach a height of about 6 inches, you can start picking the outer leaves, one by one, or the entire plant, by cutting off the stems near the soil surface. Leave the inner leaves intact, and the scallions will keep producing new leaves for several weeks. You can use the scallions fresh, chopped, sliced, or grilled, in soups, stews, salads, sandwiches, or stir-fries. You can also store them in the fridge, wrapped in damp towels or plastic bags, for up to one week.

Troubleshoot common problems

If you encounter any problems with your scallions, here are some tips to help you diagnose and resolve them:

If the scallions fail to sprout, the soil may be too cold or dry. Try to warm up the pot or add some moisture.

If the scallions bolt, or produce a flower stalk, this may be due to heat, drought, or age. Cut off the stalk and harvest the scallions before they become too tough or bitter.

If the scallions turn yellow, this may be a sign of overwatering, poor drainage, or nutrient deficiency. Adjust the watering and fertilizing accordingly.

If the scallions are attacked by pests, such as onion maggots, thrips, or aphids, use organic pest control methods, such as neem oil, garlic spray, or insecticidal soap, and remove the affected leaves and debris.

With these basic tips and tricks, you can enjoy the fresh, crunchy flavor of scallions, grown in your own pot, all year round. Happy planting!