Harpoon Weed (Asparagopsis Armata) is a perennial aquatic in the Bonnemaisoniaceae family with moderate care difficulty. It requires aquatic watering and full sun or filtered_light light in USDA hardiness zones 8-12. This plant is safe for cats and dogs.

A distinctive, barbed red seaweed native to western Australia, now widely distributed in temperate marine waters.

Harpoon Weed

Harpoon Weed

Asparagopsis Armata

A distinctive, barbed red seaweed native to western Australia, now widely distributed in temperate marine waters.

Quick Facts

Type
aquatic
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
aquatic
Light
Full Sun, filtered_light
Hardiness Zones
8-12

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:saline, rocky, other
Indoor:No
Outdoor:Yes

Care Calendar

Monthly care tasks for Harpoon Weed

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

Harpoon Weed
Harpoon Weed detail

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Taxonomy

Family:Bonnemaisoniaceae
Genus:Asparagopsis