Plant Care Amaranthus spinosus

Amaranthus spinosus


Amaranthus spinosus

How to care for Amaranthus spinosus


How often to water your Amaranthus spinosus

Water needs for Amaranthus spinosus
0.5 cups
every 9

Amaranthus spinosus 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 None in your home

Light needs and placement for plant Amaranthus spinosus: 1ft from a window
1ft or less from
a window

Amaranthus spinosus love being close to bright, sunny windows 😎.

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

Amaranthus spinosus does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Amaranthus spinosus in your home 🏡.


How to fertilize Amaranthus spinosus

Nutrient, fertilizer, and repotting needs for Amaranthus spinosus: 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 Amaranthus spinosus after it doubles in size or once a year—whichever comes first.

Care Summary for Amaranthus spinosus

Amaranthus spinosus

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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