Life Span
Perennial
Perennial
Type
Tree
Cactus or Succulent
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
Southern Europe, Western Europe
Types
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Sempervivum altum, Sempervivum davisii, Sempervivum juvanii
Number of Varieties
2040
0
40000
👆🏻
Habitat
Woodland Garden Canopy
limestone outcrops, Rocky areas, Stone and Masonry fences and walls
USDA Hardiness Zone
4-85-8
0
99
👆🏻
AHS Heat Zone
8-1
8-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Rosette/Stemless
Plant Size
Minimum Height
2,438.40 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Yellow, Yellow green
Light Pink
Flower Color Modifier
Bicolor
-
Fruit Color
Brown, Sandy Brown, Chocolate
-
Leaf Color in Spring
Green, Copper
Blue Green, Burgundy
Leaf Color in Summer
Dark Green
Blue Green, Burgundy
Leaf Color in Fall
Orange, Brown, Dark Red
Blue Green, Burgundy
Leaf Color in Winter
-
Blue Green, Burgundy
Shape
Leaf Shape
Lobed
V-Shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam, Sand
Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
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
Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
-
Fertilizers
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
20-20-20 amount, All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Aphids, Mealybugs, Red blotch
Plant Tolerance
Drought, Wet Site
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
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
-
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Plant Benefits
Medicinal Uses
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Antipruritic, Astringent, Diuretic, Odontalgic
Part of Plant Used
Inner Bark, Leaves, Seeds
Leaves
Other Uses
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
Cosmetics, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Alpine, Container, Groundcover, Rock Garden, Wall
Botanical Name
QUERCUS velutina
SEMPERVIVUM calcareum
Common Name
Black Oak
Houseleek, Common houseleek
In Hindi
Black Oak Tree
houseleek
In German
Schwarz Oak Tree
Hauswurz
In French
Noir Oak Tree
joubarbe
In Spanish
Negro del árbol de roble
houseleek
In Greek
Black Oak Tree
houseleek
In Portuguese
Carvalho Preto
houseleek
In Polish
Czarny Dąb
houseleek
In Latin
Niger quercum ligno
AMERIMNON
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Rosales
Family
Fagaceae
Crassulaceae
Genus
Quercus
Sempervivum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Core eudicots, Eudicots
Tribe
Cherokee
Sedeae
Subfamily
-
Sedoideae
Number of Species
60040
1
27800
👆🏻