Plant Care one-leaf onion

one-leaf onion

Also known as

one-leaf onion and American garlic


Allium unifolium

How to care for one-leaf onion


How often to water your one-leaf onion

Water needs for one-leaf onion
0.5 cups
every 9

one-leaf 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

Does your plant get direct sunlight?

Select the pot size


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 one-leaf onion in your home

Light needs and placement for plant one-leaf onion: 1ft from a window
1ft or less from
a window

one-leaf onion love being close to bright, sunny windows 😎.

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

one-leaf onion does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of one-leaf onion in your home 🏡.


How to fertilize one-leaf onion

Nutrient, fertilizer, and repotting needs for one-leaf 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 one-leaf onion after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for one-leaf onion

one-leaf onion

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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