Hawaii Arrowhead
Taxonomy
Sagittaria sagittifolia
Sagittaria
Alismataceae
Alismatales

How to care for Hawaii Arrowhead

How often to water your Hawaii Arrowhead

every 9
Hawaii Arrowhead 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 Hawaii Arrowhead in your home

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

How to fertilize Hawaii Arrowhead

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 Hawaii Arrowhead after it doubles in size or once a yearāwhichever comes first.

Hawaii Arrowhead 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
Hawaii Arrowhead 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
Hawaii Arrowhead 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
Hawaii Arrowhead should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as itās refreshed yearly, you shouldnāt need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Growing Outdoors
USDA Hardiness Zone
Hawaii Arrowhead can be grown outdoors in USDA Hardiness Zones 6a-9b. Find your local hardiness zone here.
Care Summary for Hawaii Arrowhead
Hawaii Arrowhead
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.
