Plant Care Careless Weed

Careless Weed

Also known as

Common amaranth and Redroot amaranth


Amaranthus retroflexus

How to care for Careless Weed


How often to water your Careless Weed

Water needs for Careless Weed
0.5 cups
every 9

Careless Weed 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 Careless Weed

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 Careless Weed in your home

Light needs and placement for plant Careless Weed: 1ft from a window
1ft or less from
a window

Careless Weed love being close to bright, sunny windows 😎.

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

Careless Weed does not tolerate low-light 🚫.

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


How to fertilize Careless Weed

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

Difficulty Level

Careless Weed is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Careless Weed

Careless Weed

Careless Weed

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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