How much sunlight does my Japanese Bunching Onion need?

Japanese Bunching Onion requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.

How much humidity does Japanese Bunching Onion like?

Japanese Bunching Onion doesn’t 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.

What type of soil should I use for my Japanese Bunching Onion?

Japanese Bunching 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!

Should I fertilize my Japanese Bunching Onion?

Japanese Bunching 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 it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!

Which region is Japanese Bunching Onion native to?

Japanese Bunching Onion is native to the Northern Hemisphere, South America, and Africa .

What is the growth pattern for Japanese Bunching Onion?

Japanese Bunching Onion grows vertically and new growth will emerge from the top of the plant.

Can Japanese Bunching Onion be grown outdoors?

USDA Hardiness Zone Japanese Bunching Onion can be grown outdoors in USDA Hardiness Zones 3a-9b . Find your local hardiness zone here .

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Japanese Bunching Onion

Q: Is Japanese Bunching Onion easy to care for?

Japanese Bunching 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!

Q: How often should I water my Japanese Bunching Onion?

Japanese Bunching 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.

4.9 out of 5 (14 experiences)

Fast grower

Easy to propagate

Also known as

Long Green Onion, Long Green Onion, Welsh Onion, Spring Onion, scallions, green onion, Scallion, Scallions and green onion

Taxonomy

Scientific name

Allium fistulosum

Genus

Allium

Family

Amaryllidaceae

Order

Asparagales

How to care for Japanese Bunching Onion

Water

How often to water your Japanese Bunching Onion

Japanese Bunching Onion needs 0.5 cups of water every 9 when it doesn’t 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

Does your plant get direct sunlight?

No Yes

Select the pot size

Light

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

Light needs and placement for plant Japanese Bunching Onion: 1ft from a window

Japanese Bunching Onion love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Japanese Bunching Onion does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Japanese Bunching Onion in your home 🏡.

Nutrients

How to fertilize Japanese Bunching Onion

Nutrient, fertilizer, and repotting needs for Japanese Bunching Onion: repot after 2X growth

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 it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Japanese Bunching Onion after it doubles in size or once a year—whichever comes first.

FAQs

Difficulty Level

Japanese Bunching 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

Sunlight Needs

Toxicity

Humidity

Soil

Fertilizer

Native Region

Growth Pattern

Growing Outdoors

Care Summary for Japanese Bunching Onion

Japanese Bunching Onion

Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

What other plant parents say

Fast grower 11

Easy to propagate 11

Survivor 5

Blooms easily 2

Browns easily 1

@@Toriz

41 Plants

2,020 XP

04/08/2022

So easy to grow from the grocery store and you can harvest quickly!

Fast grower

Easy to propagate

Blooms easily

Japanese Bunching Onion plant photo by @Toriz named Onion Dip on Greg, the plant care app.

@@ifonlyfloramoment

18 Plants

998 XP

Baltimore, MD

11/28/2021

DIY little garden! Start to grow roots insanely fast, easy to pot, easy to grow!

Fast grower

Easy to propagate

Japanese Bunching Onion plant photo by @ifonlyfloramoment named Green Onions on Greg, the plant care app.

@@smxles4mxles

6 Plants

495 XP

11/25/2021

i just plant the roots from the green onions i buy at the grocery. you can get like 3 rounds of green onions for cooking before they start to grow funky

Fast grower

Easy to propagate

Blooms easily

Survivor

Japanese Bunching Onion plant photo by @smxles4mxles named barnie on Greg, the plant care app.

@@bittermulatto

16 Plants

1,315 XP

Bloomington, IL

08/01/2021

Everyone should grow their own green onion. It’s stupid easy to grow indoors and outdoors, you get fresh green onion whenever you want, it’s nice!

Fast grower

Easy to propagate

Survivor

Browns easily

Japanese Bunching Onion plant photo by @bittermulatto named big ole green onion on Greg, the plant care app.

@@Kee_na

4 Plants

105 XP

Cookeville, TN

07/11/2021

I started these from the ends of green onions I got at the grocery store. All I did was stick them in some dirt and they started sprouting! Really easy to repot them.

Fast grower

Easy to propagate