Life Span
Perennial
Perennial
Origin
Southern Europe
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada
Types
White Rock Rose, Cistus Alyssoides, Cistus Bourgaeanus
Juglans nigra
Habitat
Banks, Dry areas, Gravels, meadows, Pastures, Riverbanks
bottomlands, Moist woods
USDA Hardiness Zone
9-10
4-9
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Spreading
Oval or Rounded
Flower Color
Magenta
Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
Green, Chocolate
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Green
-
Leaf Shape
Elliptic
Pinnate
Plant Season
Spring, Summer
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Spring
Late Spring, Early Summer
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
occasional watering once established
Average Water Needs, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
Doesn't require fertilization when grown in rich soil
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Botrytis Blight, Powdery mildew, Sooty Mold, Verticillium Wilt
Red blotch
Plant Tolerance
Drought
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fragrant Bark/Stem
Yes
Yes
Foliage Texture
Medium
Coarse
Foliage Sheen
Matte
Glossy
Attracts
Hummingbirds, Butterflies
Birds, Butterflies
Allergy
-
Anaphylaxis, Toxic
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Perfumes
Good for skin
Environmental Uses
Air purification
Air purification, Shadow Tree
Medicinal Uses
-
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Whole plant
Fruits
Other Uses
Oil is used for aromatherapy, Used as Ornamental plant
Used As Food, Used as Ornamental plant
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Foundation, Mixed Border
Feature Plant, Shade Trees
Botanical Name
CISTUS x pulverulentus 'Sunset'
JUGLANS nigra
Common Name
Rock rose
Black Walnut
In Hindi
रॉक गुलाब
काले अखरोट के पेड़
In German
Zistrose
Schwarz Walnussbaum
In French
ciste
Noir noyer
In Spanish
jara
nogal negro
In Greek
Rock Rose
Μαύρη καρυδιά
In Portuguese
esteva
nogueira preta
In Polish
skała róży
Czarny orzech drzewo
In Latin
CISTHOS
Niger walnut tree
Order
Malvales
Juglandales
Family
Cistaceae
Juglandaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Importance of Rock rose and Black Walnut
Want to have the most appropriate plant for your garden? You might want to know the importance of Rock rose and Black Walnut. Basically, these two plants vary in many aspects. Compare Rock rose and Black Walnut as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Rock rose is whereas of Black Walnut is Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis and Use as a gargle. Rock rose has beauty benefits as follows: Perfumes while Black Walnut has beauty benefits as follows: Perfumes.
Compare Facts of Rock rose vs Black Walnut
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Rock rose vs Black Walnut and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Rock rose are whereas of Black Walnut have Anaphylaxis and Toxic respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Rock rose has no showy fruits and Black Walnut has showy fruits. Also Rock rose is not flowering and Black Walnut is not flowering . You can compare Rock rose and Black Walnut facts and facts of other plants too.