Life Span
Annual and Perennial
Perennial
Type
Tree
Tender Perennial
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Central America
Types
Quercus stellata
Gunnera manicata
Number of Varieties
2025
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Wet forest, Woodland Garden
USDA Hardiness Zone
5-99-12
0
99
👆🏻
AHS Heat Zone
9-4
7-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
H1, 14, 15, 16, 17, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,830.00 cm120.00 cm
0
3900
👆🏻
Minimum Width
1,680.00 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Yellow, Tan
Dark Red, Dark Salmon, Sienna
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Orange, Tan, Bronze, Orange Red
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Elliptic and Ovate
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Regular watering during dry periods
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial 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
All-Purpose Liquid Fertilizer
Dilute liquid fertiliser
Pests and Diseases
Red blotch
Downy mildew, Leaf spot, Rust
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Snails
Allergy
-
allergic reaction
Uses
Aesthetic Uses
Showy Purposes
Bog Garden, Water gardening
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Astringent, Emetic, Febrifuge, Tonic
-
Part of Plant Used
Leaves, Seeds, Wood
Stem
Other Uses
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Jam, Jelly, Sauces
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Mixed Border, Tropical
Botanical Name
QUERCUS stellata
GUNNERA insignis
Common Name
Post Oak
Giant Rhubarb, Poorman's Umbrella
In Hindi
पोस्ट ओक
Giant Rhubarb
In German
Post oak
Riesen- Rhabarber
In French
Post oak
Géant rhubarbe
In Spanish
Post oak
Gigante ruibarbo
In Greek
Post Oak
Giant Ραβέντι
In Portuguese
Post Oak
Rhubarb gigante
In Polish
post Oak
Giant Rabarbar
In Latin
Post quercu
Giant RHEUM
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Haloragales
Family
Fagaceae
Gunneraceae
Genus
Quercus
Gunnera
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Core eudicots, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
901
1
27800
👆🏻