Life Span
Perennial
Perennial
Type
Tree
Fruit
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Southeastern Asia
Types
-
Nules , Nadorcott
Number of Varieties
302
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Cold Regions
USDA Hardiness Zone
4-78-11
0
99
👆🏻
AHS Heat Zone
7-1
12-8
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
Oval or Rounded
Plant Size
Minimum Height
1,370.00 cm460.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
White, Red, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Red, Orange
Leaf Color in Spring
Green, Dark Green
Green, Dark Green
Leaf Color in Summer
Dark Green
Green, Dark Green
Leaf Color in Fall
Dark Green
Green, Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Acuminate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought, Light Frost
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Do not let dry out between waterings, Keep the Soil well drained, Requires consistently moist soil
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
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in the late winter or spring, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer, Equal amount of N,P,K
Pests and Diseases
-
Black sooty mold, Citrus canker
Plant Tolerance
Maritime exposure, Salt water
Drought, Light Frost
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Birds, Butterflies
Allergy
-
Mouth itching, Throat itching
Uses
Aesthetic Uses
-
Cottage Garden, Farmland
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Digestive, Vitamin C
Part of Plant Used
Flowers, Inner Bark, Sap
Fruits
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Added to salads, Culinary use
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Container, Edible, Feature Plant, Fruit / Fruit Tree, Houseplant, Topiary / Bonsai / Espalier, Tropical
Botanical Name
ALNUS rubra
CITRUS reticulata
Common Name
Oregon Alder, Red Alder
Clementine, Mandarin, Tangerine
In Hindi
red alder
clementine
In German
rot-Erle
Clementine
In French
aulne rouge
Citrus clementina
In Spanish
aliso rojo
Citrus x clementina
In Greek
κόκκινη σκλήθρα
clementine
In Portuguese
amieiro vermelho
clementine
In Polish
czerwony olcha
clementine
In Latin
red alnus
clementine
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Sapindales
Family
Betulaceae
Rutaceae
Genus
Alnus
Citrus
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
-
-
Number of Species
352
1
27800
👆🏻