Life Span
Perennial
Perennial
Type
Tender Perennial
Tree
Origin
Central America
Northeastern United States, North-Central United States
Types
Gunnera manicata
Sugar Maple, Norway Maple, Red Maple
Number of Varieties
2515
0
40000
👆🏻
Habitat
Wet forest, Woodland Garden
bottomlands, Forests, Moist Soils
USDA Hardiness Zone
9-124-8
0
99
👆🏻
AHS Heat Zone
7-1
8-3
Sunset Zone
H1, 14, 15, 16, 17, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
120.00 cm3,779.52 cm
0
3900
👆🏻
Minimum Width
180.00 cm1,219.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Dark Red, Dark Salmon, Sienna
Yellow green, Chartreuse
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Red, Orange
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Lobed
Toothed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
-
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Regular watering during dry periods
Average Water Needs, Do Not over Water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Dilute liquid fertiliser
All-Purpose Liquid Fertilizer
Pests and Diseases
Downy mildew, Leaf spot, Rust
Red blotch
Plant Tolerance
Drought
-
Flowers
Showy
Insignificant
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Bold
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Snails
Bees, Birds
Allergy
allergic reaction
Pollen
Uses
Aesthetic Uses
Bog Garden, Water gardening
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree, Wildlife
Plant Benefits
Medicinal Uses
-
Tonic
Part of Plant Used
Stem
Sap, Tree trunks
Other Uses
Jam, Jelly, Sauces
Edible syrup, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Tropical
Shade Trees, Street Trees
Botanical Name
GUNNERA insignis
ACER nigrum
Common Name
Giant Rhubarb, Poorman's Umbrella
Black Maple
In Hindi
Giant Rhubarb
Black Maple Tree
In German
Riesen- Rhabarber
Schwarz Ahorn
In French
Géant rhubarbe
Noir Érable
In Spanish
Gigante ruibarbo
Negro del árbol de arce
In Greek
Giant Ραβέντι
Μαύρο Maple Tree
In Portuguese
Rhubarb gigante
Árvore de bordo preto
In Polish
Giant Rabarbar
Czarny klon
In Latin
Giant RHEUM
White Acer ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Haloragales
Sapindales
Family
Gunneraceae
Aceraceae
Genus
Gunnera
Acer
Clade
Angiosperms, Core eudicots, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Areceae
Subfamily
-
Hippocastanoideae
Number of Species
110
1
27800
👆🏻