Life Span
Annual or Biennial
Perennial
Origin
Asia, Europe, North Africa, North America
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
Types
Geranium robertianum
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Habitat
Shaded sites, Waste areas
Woodland Garden Canopy
USDA Hardiness Zone
3-9
4-8
Sunset Zone
21,22
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Clump-Forming
Upright/Erect
Flower Color
Pink, Magenta, Rose
Red, Light Yellow, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Green, Light Green
Green, Copper
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Red, Green, Dark Red
Orange, Brown, Dark Red
Leaf Color in Winter
Light Green
-
Leaf Shape
Arrowhead
Lobed
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Partial Sun, Partial shade, Full Shade
Full Sun, Partial Sun
Growth Rate
Very Fast
Slow
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Spring, Late Spring, Early Summer, Summer
Spring
Tolerances
-
Wet Site, Drought
Where to Plant?
Ground
Ground
How to Plant?
-
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Requirements
Keep ground moist, Requires regular watering
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
In Summer
Average Water
Lots of watering
In Spring
Average Water
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Partial Sun, Partial shade, Full Shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Remove damaged leaves, Remove dead leaves
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
Pests and Diseases
Downy mildew, Pest Free, Powdery mildew
Red blotch
Plant Tolerance
Shade areas
Drought, Wet Site
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fragrant Bark/Stem
Yes
Yes
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Glossy
Allergy
-
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
Aesthetic Uses
Cottage Garden, Showy Purposes
-
Beauty Benefits
Good for skin, Reduce Bruises, Skin irritation
-
Environmental Uses
Insect Repellent
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Medicinal Uses
Antioxidants, Antiseptic, Astringent, Diabetes, Diarrhea, Diuretic, Gallbladder Diseases, Haemorrhages, Inflammation, Kidney problems, Kidney Stones, Liver problems, Sore throat, Strengthen gums, Swelling, Ulcers
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Part of Plant Used
Leaves, Root, Whole plant
Inner Bark, Leaves, Seeds
Other Uses
Can be made into a herbal tea, repels rabbits, deers and mosquitos, Used as a nutritious food item
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
Bedding Plant, Mixed Border, Wildflower
Feature Plant, Shade Trees
Botanical Name
GERANIUM robertianum
QUERCUS velutina
Common Name
Death-Comes-Quickly, Herb Robert, Dove's Foot, Crow's Foot, Storksbill, Red Robin
Black Oak
In Hindi
जड़ी बूटी रॉबर्ट
Black Oak Tree
In German
Kraut Robert
Schwarz Oak Tree
In French
herbe à Robert
Noir Oak Tree
In Spanish
hierba de San Roberto
Negro del árbol de roble
In Greek
βότανο Robert
Black Oak Tree
In Portuguese
erva robert
Carvalho Preto
In Polish
herb robert
Czarny Dąb
In Latin
Robertus herba
Niger quercum ligno
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Geraniaceae
Fagaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Season and Care of Herb Robert and Black Oak
Season and care of Herb Robert and Black Oak is important to know. While considering everything about Herb Robert and Black Oak Care, growing season is an essential factor. Herb Robert season is Spring, Summer, Fall and Winter and Black Oak season is Spring, Summer, Fall and Winter. The type of soil for Herb Robert is Loam, Sand and for Black Oak is Clay, Loam, Sand while the PH of soil for Herb Robert is Acidic, Neutral, Alkaline and for Black Oak is Acidic, Neutral.
Herb Robert and Black Oak Physical Information
Herb Robert and Black Oak physical information is very important for comparison. Herb Robert height is 25.40 cm and width 30.50 cm whereas Black Oak height is 2,438.40 cm and width 1,219.20 cm. The color specification of Herb Robert and Black Oak are as follows:
Herb Robert flower color: Pink, Magenta and Rose
Herb Robert leaf color: Green and Light Green
Black Oak flower color: Red, Light Yellow and Yellow green
- Black Oak leaf color: Green and Copper
Care of Herb Robert and Black Oak
Care of Herb Robert and Black Oak include pruning, fertilizers, watering etc. Herb Robert pruning is done Cut or pinch the stems, Remove damaged leaves and Remove dead leaves and 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. In summer Herb Robert needs Average Water and in winter, it needs Average Water. Whereas, in summer Black Oak needs Lots of watering and in winter, it needs Average Water.