Giant Arrowhead (Sagittaria Montevidensis) is a perennial aquatic in the Alismataceae family with moderate care difficulty. It requires aquatic watering and full sun or partial shade light in USDA hardiness zones 5-10. This plant is safe for cats and dogs.

Sagittaria montevidensis is a species of aquatic flowering plant in the water-plantain family Alismataceae, known for its broad arrow-shaped leaves and white flowers.

Giant Arrowhead

Giant Arrowhead

Sagittaria Montevidensis

Sagittaria montevidensis is a species of aquatic flowering plant in the water-plantain family Alismataceae, known for its broad arrow-shaped leaves and white flowers.

Quick Facts

Type
aquatic
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
aquatic
Light
Full Sun, Partial Shade
Hardiness Zones
5-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, silty, peaty
Indoor:No
Outdoor:Yes
Garden Use:erosion control, wildlife habitat, aquatic groundcover

Care Calendar

Monthly care tasks for Giant Arrowhead

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Giant Arrowhead
Giant Arrowhead detail

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Taxonomy

Family:Alismataceae
Genus:Sagittaria