Life Span
Perennial
Annual
Type
Perennial
Sedge or Rush
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States
Southern Europe, United Kingdom, Northern Africa
Types
Apricot Delight, Copper canyon
-
Number of Varieties
1320
0
40000
👆🏻
Habitat
Roadsides, sand dunes, Waste areas
Grassland, Humid climates, Riverbanks, Wet forest
USDA Hardiness Zone
5-88-11
0
99
👆🏻
AHS Heat Zone
8-1
11-1
Sunset Zone
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
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Arching/Fountain-shaped
Plant Size
Minimum Height
1.00 cm15.20 cm
0
3900
👆🏻
Minimum Width
0.10 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Light Green
Green
Shape
Leaf Shape
Oblong
Linear
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Slow
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Early Summer, Summer, Late Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Variety of soil types
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Divison, Seedlings, Stem Planting
Seedlings, Stem Planting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
Keep the ground moist but not water-logged, Requires regular watering, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in growing season
All-Purpose Liquid Fertilizer
Pests and Diseases
Slugs, Snails
Red blotch
Plant Tolerance
Variety of soil types
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Insects
Allergy
Abdominal pain, Constipation, Diarrhea, Skin irritation
Asthma, Skin irritation
Uses
Aesthetic Uses
Beautification, Borders, Landscape Designing, Showy Purposes
Beautification
Beauty Benefits
Good for skin, Making cosmetics, Stops hair loss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Versatility
Air purification
Plant Benefits
Medicinal Uses
Eczema
Digestion problems, Fever
Part of Plant Used
Root
Whole plant
Other Uses
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edging, Feature Plant, Groundcover, Mixed Border
Bog Garden, Container, Edging, Rock Garden / Wall
Botanical Name
OENOTHERA 'Cold Crick'
ISOLEPIS cernua
Common Name
Suncups, sundrops
Low Bulrush
Slender Clubrush
In Hindi
Evening Primrose
फाइबर ऑप्टिक घास
In German
Evening Primrose
Lichtwellenleiter-Gras
In French
onagre
Fibre optique Herbe
In Spanish
onagra
Hierba de fibra óptica
In Greek
Νυχτολούλουδο
Οπτικών Ινών Grass
In Portuguese
Evening Primrose
Fibra Óptica Relva
In Polish
wiesiołka
Światłowody Trawa
In Latin
vespere Primrose
Fiber opticus Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Myrtales
Poales
Family
Onagraceae
Cyperaceae
Genus
Oenothera
Isolepis
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
Onagreae
-
Subfamily
Onagroideae
Pooideae
Number of Species
14570
1
27800
👆🏻