Giant Rhubarb (Gunnera Manicata) is a perennial herb in the Gunneraceae family with moderate care difficulty. It requires very high watering and partial shade or full sun light in USDA hardiness zones 8-10. This plant is safe for cats and dogs.

Gunnera manicata is a large, herbaceous perennial known for its massive, deeply lobed, kidney-shaped leaves that can reach up to 6 feet across.

Giant Rhubarb

Giant Rhubarb

Gunnera Manicata

Gunnera manicata is a large, herbaceous perennial known for its massive, deeply lobed, kidney-shaped leaves that can reach up to 6 feet across.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
very high
Light
Partial Shade, Full Sun
Hardiness Zones
8-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, peaty, clay
Indoor:No
Outdoor:Yes
Garden Use:specimen plant, architectural feature, moisture-loving garden

Care Calendar

Monthly care tasks for Giant Rhubarb

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 Rhubarb
Giant Rhubarb detail

View leaf details, flowers, seeds & more in the app

Taxonomy

Family:Gunneraceae
Genus:Gunnera