Life Span
Perennial
Perennial
Type
Tree
Tender Perennial
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Southern Africa
Types
-
Perennial
Number of Varieties
3050
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Desert, Mediterranean region, Subtropical climates, Temperate Regions
USDA Hardiness Zone
4-78-10
0
99
👆🏻
AHS Heat Zone
7-1
10-8
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,370.00 cm61.30 cm
0
3900
👆🏻
Minimum Width
610.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Yellow, Light Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Brown
Leaf Color in Spring
Green, Dark Green
Green, Gray Green
Leaf Color in Summer
Dark Green
Green, Gray Green
Leaf Color in Fall
Dark Green
Green, Gray Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Layering, Seedlings
Rhizome division, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
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, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
Any balanced general purpose fertilizer
Pests and Diseases
-
Nematodes, Scale
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
Insignificant
Showy
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
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Bees, Birds, Butterflies
Allergy
-
Skin irritation
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Ethnobotanic
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
-
Part of Plant Used
Flowers, Inner Bark, Sap
Root
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Roots were worn to protect and strengthen the wearer, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Bog Garden, Container, Feature Plant, Mixed Border, Tropical, Water Gardens
Botanical Name
ALNUS rubra
DIETES bicolor
Common Name
Oregon Alder, Red Alder
African iris, Fortnight lily
In Hindi
red alder
African Iris
In German
rot-Erle
Afrikanische Iris
In French
aulne rouge
African Iris
In Spanish
aliso rojo
Iris africano
In Greek
κόκκινη σκλήθρα
Αφρικανική Iris
In Portuguese
amieiro vermelho
Iris africano
In Polish
czerwony olcha
Afryki Iris
In Latin
red alnus
African Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Genus
Alnus
Dietes
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
35300
1
27800
👆🏻