Life Span
Perennial
Perennial
Type
Tree
Bulb, Flowering Plants
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Aegean Islands, Central Asia, Middle East, North Africa, Southern Europe, Western China
Types
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Crocus abantensis, Crocus adanensis, Crocus biflorus, Crocus chrysanthus, Crocus korolkowii
Habitat
Woodland Garden Canopy
Scrubs, Woods
USDA Hardiness Zone
4-8
3-8
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 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
Upright/Erect
Clump-Forming
Flower Color
Red, Light Yellow, Yellow green
Blue, Orange, Pink, Purple, White, Yellow
Flower Color Modifier
Bicolor
-
Fruit Color
Brown, Sandy Brown, Chocolate
-
Leaf Color in Spring
Green, Copper
Green
Leaf Color in Summer
Dark Green
-
Leaf Color in Fall
Orange, Brown, Dark Red
Green
Leaf Color in Winter
-
Green
Leaf Shape
Lobed
Grass like
Plant Season
Spring, Summer, Fall, Winter
Spring, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Part sun
Type of Soil
Clay, Loam, Sand
Loamy
The pH of Soil
Acidic, Neutral
Neutral, Slightly Acidic
Soil Drainage
Average
Well drained
Bloom Time
Spring
Spring, Winter
Tolerances
Wet Site, Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
From bulbs, Grafting, Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
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 pH
Acidic, Neutral
Neutral, Slightly Acidic
Soil Type
Clay, Loam, Sand
Loamy
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Part sun
Pruning
Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
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, High amounts of nutrients, organic fertlizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Aphids, Botrytis Blight, Mushroom root rot, Narcissus Basal Rot, Narcissus Bulb Fly, Slugs, Snails, Tulip Fire, Tulip Viruses
Plant Tolerance
Drought, Wet Site
Drought
Flowers
Insignificant
Yes
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Glossy
Allergy
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
-
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Medicinal Uses
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Arthritis, Gout
Part of Plant Used
Inner Bark, Leaves, Seeds
Whole plant
Other Uses
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
-
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
-
Botanical Name
QUERCUS velutina
Crocus Longiflorus
Common Name
Black Oak
Crocus
In Hindi
Black Oak Tree
Crocus
In German
Schwarz Oak Tree
Krokus
In French
Noir Oak Tree
Crocus
In Spanish
Negro del árbol de roble
Azafrán
In Greek
Black Oak Tree
κρόκος
In Portuguese
Carvalho Preto
Açafrão
In Polish
Czarny Dąb
Krokus
In Latin
Niger quercum ligno
Erocum
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Fagaceae
Iridaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Season and Care of Black Oak and Crocus
Season and care of Black Oak and Crocus is important to know. While considering everything about Black Oak and Crocus Care, growing season is an essential factor. Black Oak season is Spring, Summer, Fall and Winter and Crocus season is Spring, Summer, Fall and Winter. The type of soil for Black Oak is Clay, Loam, Sand and for Crocus is Loamy while the PH of soil for Black Oak is Acidic, Neutral and for Crocus is Neutral, Slightly Acidic.
Black Oak and Crocus Physical Information
Black Oak and Crocus physical information is very important for comparison. Black Oak height is 2,438.40 cm and width 1,219.20 cm whereas Crocus height is 10.00 cm and width 5.10 cm. The color specification of Black Oak and Crocus are as follows:
Black Oak flower color: Red, Light Yellow and Yellow green
Black Oak leaf color: Green and Copper
Crocus flower color: Blue, Orange, Pink, Purple, White and Yellow
- Crocus leaf color: Green
Care of Black Oak and Crocus
Care of Black Oak and Crocus include pruning, fertilizers, watering etc. Black Oak pruning is done Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts and Remove deadheads and Crocus pruning is done No pruning needed in the early stages, Prune to stimulate growth, Remove dead or diseased plant parts and Requires little pruning. In summer Black Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Crocus needs Lots of watering and in winter, it needs Average Water.