
Arrowroot
About Arrowroot
Arrowroot is a super rare houseplant šæ that needs regular watering to thrive. They do best in long-lasting, direct light āļø and should be less than 1 foot from a window.
Arrowroot likes soil that is good at retaining moisture. You may want to supplement with a gentle, organic fertilizer throughout the peak growing season.
Taxonomy
Thalia geniculata
Thalia
Marantaceae
Zingiberales
Also known as
bent alligator-flag and fire-flag

How to care for Arrowroot

How often to water your Arrowroot

every 9
Arrowroot needs 0.5 cups of water every 9 when it doesnāt 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

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 Arrowroot in your home

a window
Arrowroot love being close to bright, sunny windows š.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Arrowroot does not tolerate low-light š«.
Select your region to see how the current weather in your area affects the placement of Arrowroot in your home š”.

How to fertilize Arrowroot

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 itās likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Arrowroot after it doubles in size or once a yearāwhichever comes first.

Arrowroot prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
Arrowroot requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive šŖ. Select your region to see how the current weather in your area affects the placement in your home š”.
Toxicity
Greg does not have confirmed data on this plantās toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, itās always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control atĀ US (800) 222-1222.Ā If a pet consumed this plant, contact your veterinarian or the ASPCA atĀ US (888) 426-4435.
Soil
Arrowroot is very sensitive to dry soil, so choose a potting soil that retains moisture. A good soil will still drain well and contain lots of organic matter such as coco coir or sphagnum moss.
Fertilizer
Arrowroot is a fast growing plant and may deplete the nutrients in its soil over time. Replenish them with a gentle organic fertilizer or compost every 1-2 months depending on your location and season. Fertilize more often during the growing season and in warmer and brighter climates.
Growth Pattern
Arrowroot grows vertically and new growth will emerge from the top of the plant.
Care Summary for Arrowroot
Arrowroot
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on the 4ā pot your plant is in, and that it doesnāt get direct sunlight.
