Life Span
Perennial
Perennial
Type
Tree
Bulb, Flowering Plants
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Aegean Islands, Central Asia, Middle East, North Africa, Southern Europe, Western China
Types
-
Crocus abantensis, Crocus adanensis, Crocus biflorus, Crocus chrysanthus, Crocus korolkowii
Number of Varieties
3090
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Scrubs, Woods
USDA Hardiness Zone
4-73-8
0
99
👆🏻
AHS Heat Zone
7-1
8-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,370.00 cm10.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm5.10 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Blue, Orange, Pink, Purple, White, Yellow
Flower Color Modifier
Bicolor
-
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
-
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Ovate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Part sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loamy
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Slightly Acidic
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Spring, Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Layering, Seedlings
From bulbs, Grafting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Form a Soil ring to water efficiently, Water Deeply, Water twice a day in the initial period, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral, Slightly Acidic
Soil Type
Loam, Sand
Loamy
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Part sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
No pruning needed in the early stages, Prune to stimulate growth, Remove dead or diseased plant parts, Requires little pruning
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Aphids, Botrytis Blight, Mushroom root rot, Narcissus Basal Rot, Narcissus Bulb Fly, Slugs, Snails, Tulip Fire, Tulip Viruses
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
✔
✘
✔
✘
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
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
-
Allergy
-
-
Uses
Aesthetic Uses
-
-
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Arthritis, Gout
Part of Plant Used
Flowers, Inner Bark, Sap
Whole plant
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
-
Botanical Name
ALNUS rubra
Crocus Longiflorus
Common Name
Oregon Alder, Red Alder
Crocus
In Hindi
red alder
Crocus
In German
rot-Erle
Krokus
In French
aulne rouge
Crocus
In Spanish
aliso rojo
Azafrán
In Greek
κόκκινη σκλήθρα
κρόκος
In Portuguese
amieiro vermelho
Açafrão
In Polish
czerwony olcha
Krokus
In Latin
red alnus
Erocum
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Genus
Alnus
Crocus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Crocoideae
Number of Species
3590
1
27800
👆🏻