Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
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
Ratibida columnifera
Juglans nigra
Number of Varieties
2510
0
40000
👆🏻
Habitat
Dry areas, Prairies, Rocky areas, rocky outcrops
bottomlands, Moist woods
USDA Hardiness Zone
3-104-9
0
99
👆🏻
AHS Heat Zone
10-1
9-3
Sunset Zone
A1, A2, A3, H1, H2, 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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
30.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Purple, Burgundy, Light Green, Brown
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Chocolate
Leaf Color in Spring
Light Green, Gray Green
Green
Leaf Color in Summer
Light Green, Gray Green
Green, Dark Green
Leaf Color in Fall
Light Green, Gray Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Subulate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Water in morning to avoid prompting diseases
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
Soil pH
Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun
Pruning
Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
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
All-Purpose Liquid Fertilizer, Apply N-P-K
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Pests and diseases free, Red blotch
Red blotch
Plant Tolerance
Drought, Dry Conditions, Dry soil, Full Sun
-
Flowers
Showy
Insignificant
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds, Butterflies
Allergy
Rhinitis
Anaphylaxis, Toxic
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Analgesic
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
Flowers
Fruits
Other Uses
Can be made into a herbal tea, Used in making tea
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Mixed Border, Wildflower
Feature Plant, Shade Trees
Botanical Name
RATIBIDA columnifera
JUGLANS nigra
Common Name
Mexican Hat
Black Walnut
In Hindi
Mexican Hat
काले अखरोट के पेड़
In German
Mexican Hat
Schwarz Walnussbaum
In French
Mexican Hat
Noir noyer
In Spanish
mexican Hat
nogal negro
In Greek
Mexican Hat
Μαύρη καρυδιά
In Portuguese
Mexican Hat
nogueira preta
In Polish
Mexican Hat
Czarny orzech drzewo
In Latin
Mexicanus Hat
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Juglandales
Family
Asteraceae
Juglandaceae
Genus
Ratibida
Juglans
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
-
Juglandinae
Number of Species
1416
1
27800
👆🏻