Life Span
Perennial
Perennial
Type
Bulb, Flowering Plants
Tree
Origin
Aegean Islands, Central Asia, Middle East, North Africa, Southern Europe, Western China
United States, California
Types
Crocus abantensis, Crocus adanensis, Crocus biflorus, Crocus chrysanthus, Crocus korolkowii
-
Number of Varieties
908
0
40000
👆🏻
Habitat
Scrubs, Woods
Woodland Garden Canopy
USDA Hardiness Zone
3-86-9
0
99
👆🏻
AHS Heat Zone
8-1
9-1
Sunset Zone
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
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
10.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
5.10 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Orange, Pink, Purple, White, Yellow
Red, Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
-
Green, Blue Green
Leaf Color in Fall
Green
Yellow, Orange, Pink
Leaf Color in Winter
Green
-
Shape
Leaf Shape
Grass like
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Part sun
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Loamy
-
The pH of Soil
Neutral, Slightly Acidic
-
Soil Drainage
Well drained
-
Bloom Time
Spring, Winter
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
From bulbs, Grafting, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Form a Soil ring to water efficiently, Water Deeply, Water twice a day in the initial period, Water when soil is dry
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Slightly Acidic
-
Soil Type
Loamy
-
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun, Part sun
Full Sun, Partial Sun
Pruning
No pruning needed in the early stages, Prune to stimulate growth, Remove dead or diseased plant parts, Requires little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
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
Red blotch
Plant Tolerance
Drought
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
Fine
Medium
Foliage Sheen
Glossy
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds
Allergy
-
Pollen
Uses
Aesthetic Uses
-
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Arthritis, Gout
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Whole plant
Leaves, Seeds, Wood
Other Uses
-
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
-
Feature Plant, Shade Trees, Street Trees
Botanical Name
Crocus Longiflorus
QUERCUS douglasii
Common Name
Crocus
Blue Oak
In Hindi
Crocus
Blue Oak Tree
In German
Krokus
Blaue Eiche
In French
Crocus
Bleu Oak Tree
In Spanish
Azafrán
Azul del árbol de roble
In Greek
κρόκος
Μπλε Oak Tree
In Portuguese
Açafrão
Carvalho azul
In Polish
Krokus
Niebieski Oak Tree
In Latin
Erocum
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Fagales
Family
Iridaceae
Fagaceae
Genus
Crocus
Quercus
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Crocoideae
-
Number of Species
9020
1
27800
👆🏻