Plant Care red Sierra onion

red Sierra onion

Also known as

red Sierra onion and subalpine onion

Taxonomy

Allium obtusum
Allium
Amaryllidaceae
Asparagales

How to care for red Sierra onion

Water

How often to water your red Sierra onion

Water needs for red Sierra onion
0.5 cups
every 9

red Sierra 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?

Select the pot size

5"
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 red Sierra onion in your home

Light needs and placement for plant red Sierra onion: 1ft from a window
1ft or less from
a window

red Sierra onion love being close to bright, sunny windows 😎.

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

red Sierra onion does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of red Sierra onion in your home 🏡.

Nutrients

How to fertilize red Sierra onion

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

FAQs
Water Needs
Sunlight Needs
Soil
Fertilizer
Growth Pattern

Care Summary for red Sierra onion

red Sierra 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.

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