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How to Grow Green Onion Plant Indoors

Updated: February 23, 2023

Growing green onion plants indoors is a great way to add fresh, flavorful onions to your meals while also saving money and adding a touch of greenery to your space. With the right conditions and a little bit of patience, you can easily grow green onion plants in your own home. Here’s how to get started.

Choosing Your Green Onion Plant

You can grow green onion plants from either seeds or bulbs. If you’re starting from seeds, look for seeds labeled “scallions” or “bunching onions” – these are the varieties that are best suited for indoor growing. If you’re using bulbs, make sure they’re fresh and firm, with no signs of mold or rot.

Preparing Your Container

To grow green onion plants indoors, you’ll need a container with good drainage. You can use any type of pot or planter as long as it has drainage holes in the bottom. Fill the container with a high-quality potting mix, leaving about an inch of space at the top.

Planting Your Green Onion

If you’re using seeds, sprinkle them evenly over the soil surface and cover lightly with more potting mix. If you’re using bulbs, plant them about an inch deep and three inches apart.

Water the soil well and place the container in a sunny spot. Green onion plants need at least six hours of direct sunlight each day to grow properly.

Caring for Your Green Onion Plant

Keep the soil consistently moist but not waterlogged. Water your green onion plant whenever the soil feels dry to the touch. You can also mist the leaves occasionally to help keep them hydrated.

Fertilize your green onion plant every two weeks with a balanced fertilizer. Follow the instructions on the package carefully to avoid over-fertilizing.

Watch out for pests like aphids and mites, which can damage your green onion plant. If you notice any pests, treat the plant with an insecticidal soap or neem oil.

Harvesting Your Green Onion

Green onion plants are ready to harvest when the leaves are about six inches long. Use scissors to cut the leaves at the base, leaving about an inch of stem attached to the bulb. The bulbs will continue to grow and produce more leaves for future harvests.

FAQ

How long does it take for green onion plants to grow?

Green onion plants typically take about 8-12 weeks to reach maturity, depending on the growing conditions.

Can I grow green onion plants from kitchen scraps?

Yes, you can! To do this, cut off the root end of a green onion and place it in a glass of water. Change the water every few days and watch as the roots grow. Once the roots are about an inch long, plant the green onion in a container with potting mix and follow the instructions above.

Can I grow green onion plants without sunlight?

Green onion plants need at least six hours of direct sunlight each day to grow properly. If you don’t have access to natural sunlight, you can use artificial grow lights instead.

Can I plant multiple green onion bulbs in one container?

Yes, you can plant multiple green onion bulbs in one container as long as they’re spaced about three inches apart. This will allow each plant to have enough room to grow and produce leaves.