Plant Care Blood Amaranth

Blood 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 Blood Amaranth


How often to water your Blood Amaranth

Water needs for Blood Amaranth
0.5 cups
every 9

Blood Amaranth needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in San Antonio, Texas.

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 Blood 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.

Plant care guide for Blood Amaranth in San Antonio, Texas

San Antonio, Texas

44% Low

Growing Blood Amaranth in San Antonio right now

Light needs for plant Blood Amaranth in San Antonio, Texas

Plant growth potential is currently low 📉

January 27th, 2023

Sunlight intensity as measured by “net radiation” in San Antonio is currently low 📉.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in deter…

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Light needs for plant Blood Amaranth in San Antonio, Texas

Sunlight will increase by 21.1% ☀️

January 27th, 2023

San Antonio is trending towards greater sunlight intensity!

The amount of sunlight in San Antonio is expected to increase by 21.1% over the next 2 weeks to an average of 11.5 megajoules of energy …

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Light needs for plant Blood Amaranth in San Antonio, Texas

Daylight will increase by 0.6 hours 📈

January 25th, 2023

This month, San Antonio is getting an average of 7.0 hours of clear sky sunlight per day.

Hours of daylight will increase by 5.8% over the next two weeks. Your plants will get 10.8 total hours of …

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Finding light for Mexican Grain Amaranth in your home

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

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

Place it less than 1ft from a south-facing window to ensure it receives enough light to survive during this time of reduced sunlight intensity in San Antonio, Texas ⛅.

Blood Amaranth does not tolerate low-light 🚫.


How to fertilize Blood Amaranth

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

When to repot Blood Amaranth

Nutrient needs for plant Blood Amaranth in San Antonio, Texas

Is this a good time of year to repot? No ⏳

January 23rd, 2023

The growing potential in San Antonio is low 📉.

Repotting in late fall or winter when the day lengths are shorter can be very stressful for a plant and cause it to go into shock.

It's best to r…

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Water Needs
Sunlight Needs
Growing Outdoors

Care Summary for Blood Amaranth

Blood Amaranth

Blood Amaranth

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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