Plant Care Red Amaranth

Red Amaranth

Also known as

Mexican Grain Amaranth, Mexican Grain Amaranth, Blood amaranth, Huautli, Alegría, Red amaranth, Purple amaranth and Prince's feather


Amaranthus cruentus

How to care for Red Amaranth


How often to water your Red Amaranth

Water needs for Red Amaranth
0.5 cups
every 9

Red Amaranth 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.

Calculate water needs of Red Amaranth

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 Mexican Grain Amaranth in your home

Light needs and placement for plant Red Amaranth: 1ft from a window
1ft or less from
a window

Red Amaranth love being close to bright, sunny windows 😎.

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

Red Amaranth does not tolerate low-light 🚫.

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


How to fertilize Red Amaranth

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

Water Needs
Sunlight Needs
Growing Outdoors

Care Summary for Red Amaranth

Red Amaranth

Red Amaranth

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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