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4.9 out of 5 (14 experiences)


About Long Green Onion
Long Green Onion is a popular houseplant šæ that is isnāt challenging to grow and needs regular watering to thrive. They do best in long-lasting, direct light āļø and should be less than 1 foot from a window.
Plant parents describe this plant as a fast grower and easy to propagate with a whopping 406 being grown with Greg around the world. Check out the reviews below for more details!š
Long Green Onion likes soil that is well draining. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.
Long Green Onion belongs to the Allium genus, and is native to Central China.
Taxonomy
Allium fistulosum
Allium
Amaryllidaceae
Asparagales
Also known as
Welsh Onion, Spring Onion, Japanese Bunching Onion, scallions, green onion, Scallion, Scallions and green onion

How to care for Long Green Onion

How often to water your Long Green Onion

every 9
Long Green Onion needs 0.5 cups of water every 9 when it doesnāt get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
9

Check the growing potential in your area
A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Long Green Onion in your home

a window
Long Green Onion love being close to bright, sunny windows š.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Long Green Onion does not tolerate low-light š«.
Select your region to see how the current weather in your area affects the placement of Long Green Onion in your home š”.

How to fertilize Long Green Onion

Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil itās likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Long Green Onion after it doubles in size or once a yearāwhichever comes first.

Long Green Onion is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!
Water Needs
Long Green Onion prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
Long Green Onion requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive šŖ. Select your region to see how the current weather in your area affects the placement in your home š”.
Toxicity
Greg does not have confirmed data on this plantās toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, itās always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control atĀ US (800) 222-1222.Ā If a pet consumed this plant, contact your veterinarian or the ASPCA atĀ US (888) 426-4435.
Humidity
Long Green Onion doesnāt require additional humidity. Plants absorb most water through their root system rather than their leaves, so the best way to provide humidity for your plants is through watering the soil.
Soil
Long Green Onion does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Fertilizer
Long Green Onion should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as itās refreshed yearly, you shouldnāt need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Native Region
Long Green Onion is native to the Northern Hemisphere, South America, and Africa.
Growth Pattern
Long Green Onion grows vertically and new growth will emerge from the top of the plant.
Growing Outdoors
USDA Hardiness Zone
Long Green Onion can be grown outdoors in USDA Hardiness Zones 3a-9b. Find your local hardiness zone here.
Care Summary for Long Green Onion
Long Green Onion
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on the 4ā pot your plant is in, and that it doesnāt get direct sunlight.

What other plant parents say





