Life Span
Perennial
Perennial
Type
Flowering Plants, Shrubs
Grass
Origin
Madagascar
Europe, Asia
Types
Purple vinca, Vinca, cherry red, strawberry color
Blue Oat grass
Number of Varieties
Not Available
Habitat
Subtropical climates, Tropical regions
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
4-9
4-9
AHS Heat Zone
12-1
Not Available
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, 15, 16, 17, 23, 24
Habit
Clump-Forming
Clump-Forming
Flower Color
Magenta, Pink, Rose
Brown
Flower Color Modifier
Not Available
Bicolor
Fruit Color
Not Available
Brown
Leaf Color in Spring
Dark Green
Gray Green
Leaf Color in Summer
Dark Green
Light Green
Leaf Color in Fall
Dark Green
Dark Green
Leaf Color in Winter
Dark Green
Tan, Brown
Leaf Shape
Oval
Grass like
Plant Season
Fall, Spring, Summer, Winter
Not Available
Sunlight
Partial shade
Full Sun, Partial Sun
Type of Soil
Loamy, Sandy, Well drained
Loam
The pH of Soil
Neutral, Slightly Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Fall, Spring, Summer
Early Summer
Tolerances
Drought, Pollution, Salt
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings, Stem Planting, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Does not require lot of watering, Medium
Does not require lot of watering, Water occasionally
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Neutral, Slightly Alkaline
Acidic, Neutral
Soil Type
Loamy, Sandy, Well drained
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Partial shade
Full Sun, Partial Sun
Pruning
Prune ocassionally
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Botrytis Blight, Canker, Crown rot, Pythium rot, Root rot
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Yes
Not Available
Flower Petal Number
Single
Single
Foliage Texture
Medium
Not Available
Foliage Sheen
Glossy
Matte
Attracts
Butterflies
Not Available
Allergy
Intestinal gas, Nausea, Vomiting
Asthma, Itchy eyes
Aesthetic Uses
Beautification, Showy Purposes
Not Used For Aesthetic Purpose
Beauty Benefits
Not Available
Not Available
Environmental Uses
Air purification
Air purification
Medicinal Uses
Chest pain, High blood pressure, Inflammation, Sore throat, Tooth ache, Wounds
Arthritis, Headache, Stomach pain
Part of Plant Used
Whole plant
Whole plant
Other Uses
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used as a nutritious food item
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Container, Edging
Bedding Plant, Feature Plant, Groundcover
Botanical Name
Catharanthus roseus
ARRHENATHERUM
Common Name
Madagascar periwinkle or rosy periwinkle
Oatgrass
In Hindi
Periwinkle
जई घास
In German
Immergrün
Ährengras
In French
Pervenche
Folle avoine
In Spanish
Bígaro
oat Grass
In Greek
μυρτιά
βρώμη Grass
In Portuguese
Mirta
aveia-
In Polish
Barwinek
Owies trawa
In Latin
Periwinkle
oat Grass
Phylum
Mollusca
Not Available
Class
Gastropoda
Liliopsida
Family
Apocynaceae
Poaceae
Genus
Catharanthus
Danthonia
Clade
Not Available
Angiosperms, Commelinids, Monocots
Tribe
Not Available
Aveneae
Subfamily
Not Available
Danthonioideae
Number of Species
Not Available
Season and Care of Periwinkle and Oatgrass
Season and care of Periwinkle and Oatgrass is important to know. While considering everything about Periwinkle and Oatgrass Care, growing season is an essential factor. Periwinkle season is Fall, Spring, Summer and Winter and Oatgrass season is Fall, Spring, Summer and Winter. The type of soil for Periwinkle is Loamy, Sandy, Well drained and for Oatgrass is Loam while the PH of soil for Periwinkle is Neutral, Slightly Alkaline and for Oatgrass is Acidic, Neutral.
Periwinkle and Oatgrass Physical Information
Periwinkle and Oatgrass physical information is very important for comparison. Periwinkle height is 1.97 cm and width 2.96 cm whereas Oatgrass height is 20.50 cm and width 30.50 cm. The color specification of Periwinkle and Oatgrass are as follows:
Periwinkle flower color: Magenta, Pink and Rose
Periwinkle leaf color: Dark Green
Oatgrass flower color: Brown
- Oatgrass leaf color: Gray Green
Care of Periwinkle and Oatgrass
Care of Periwinkle and Oatgrass include pruning, fertilizers, watering etc. Periwinkle pruning is done Prune ocassionally and Oatgrass pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Periwinkle needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Oatgrass needs Lots of watering and in winter, it needs Average Water.