Life Span
Annual
  
Perennial
  
Type
Vegetable
  
Grass
  
Origin
Europe
  
World/Pandemic, North America, Europe, Russia/Siberia, Asia
  
Types
Not Available
  
Blue fescue, Large Blue fescue
  
Habitat
agricultural areas, Moist Soils
  
Moist Soils, Rocky areas, Well Drained
  
USDA Hardiness Zone
4-10
  
4-8
  
AHS Heat Zone
9-3
  
8 - 1
  
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, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Upright/Erect
  
Clump-Forming
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Yellow
  
Not Available
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Sienna, Black
  
Not Available
  
Leaf Color in Spring
Green, Light Green
  
Blue Green, Gray
  
Leaf Color in Summer
White, Green, Dark Green
  
Light Green
  
Leaf Color in Fall
White, Green, Dark Green
  
Blue Green, Gray
  
Leaf Color in Winter
White, Green, Dark Green
  
Blue Green, Tan, Gray
  
Shape
  
  
Leaf Shape
Oval
  
Grass like
  
Thorns
No
  
No
  
Plant Season
Spring, Fall, Winter
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Growth Rate
Fast
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral
  
Acidic, Neutral
  
Soil Drainage
Well drained
  
Well drained
  
Bloom Time
Spring, Summer
  
Early Summer, Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Drought
  
Where to Plant?
Container, Ground
  
Container, Ground
  
How to Plant?
Seedlings
  
Seedlings
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Allow to dry out slightly between watering, Do not water the foliage, Keep the Soil well drained
  
Requires regular watering
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral
  
Acidic, Neutral
  
Soil Type
Clay, Loam, Sand
  
Loam, Sand
  
Soil Drainage Capacity
Well drained
  
Well drained
  
Sun Exposure
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Pruning
Remove dead or diseased plant parts
  
Cut or pinch the stems, Remove dead leaves, Remove dead or diseased plant parts
  
Fertilizers
8-8-8, since leafy plants, use higher nitrogen content fertilizer
  
Apply 10-10-10 amount
  
Pests and Diseases
Aphids, Beetles, Cabbage looper, Downy mildew, Fusarium leaf spot, Rust
  
Red blotch
  
Plant Tolerance
Full Sun, Humidity, Shallow soil
  
Drought
  
Flowers
Showy
  
Insignificant
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
Yes
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Medium
  
Fine
  
Foliage Sheen
Not Available
  
Matte
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Caterpillar, Mites
  
Birds, Butterflies
  
Allergy
Diarrhea, Dizziness, Nausea
  
Not Available
  
Uses
  
  
Aesthetic Uses
Not Available
  
Ground Cover
  
Beauty Benefits
Anti-ageing, Hair Conditioner, Skin cleanser
  
Not Available
  
Edible Uses
Yes
  
No
  
Environmental Uses
Fixes Nitrogen, Food for animals
  
Air purification, Provides ground cover
  
Plant Benefits
  
  
Medicinal Uses
Aging, Anti-oxidant, Digestion problems, Eliminate toxins, Nutritive, Obesity, Rich in Potassium
  
Not Available
  
Part of Plant Used
Leaf Stalks, Leaves
  
Flowers, Seeds
  
Other Uses
Culinary use, Sauces, Used to promote healthy blood flow during menstruation
  
Used as Ornamental plant
  
Used As Indoor Plant
No
  
Insignificant
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Container, Edible, Herb / Vegetable, Wildflower
  
Bedding Plant, Container, Feature Plant, Mixed Border, Rock Garden / Wall
  
Botanical Name
BRASSICA rapa( Chinensis Group)
  
FESTUCA glauca 'Boulder Blue'
  
Common Name
Bok Choy, Chinese Cabbage, Choy Sum, Pak Choi
  
Blue Fescue, Boulder Blue Fescue
  
In Hindi
choy sum
  
Boulder Blue Fescue
  
In German
choy sum
  
Boulder Blau -Schwingel
  
In French
choy sum
  
Boulder bleu fétuque
  
In Spanish
choy sum
  
Boulder azul de la hierba festuca
  
In Greek
choy sum
  
Boulder μπλε γρασίδι φεστούκα
  
In Portuguese
choy sum
  
Boulder Blue Grass festuca
  
In Polish
choy sum
  
Boulder niebieskie trawy kostrzewy
  
In Latin
choy sum
  
Hyacintho herba, lapidem fescue
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Liliopsida
  
Order
Capparales
  
Cyperales
  
Family
Brassicaceae
  
Poaceae
  
Genus
Brassica
  
Festuca
  
Clade
Angiosperms, Monocots
  
Angiosperms, Commelinids, Monocots
  
Tribe
Not Available
  
Poeae
  
Subfamily
Not Available
  
Pooideae
  
Season and Care of Choy Sum and Boulder Blue Fescue
Season and care of Choy Sum and Boulder Blue Fescue is important to know. While considering everything about Choy Sum and Boulder Blue Fescue Care, growing season is an essential factor. Choy Sum season is Spring, Fall and Winter and Boulder Blue Fescue season is Spring, Fall and Winter. The type of soil for Choy Sum is Clay, Loam, Sand and for Boulder Blue Fescue is Loam, Sand while the PH of soil for Choy Sum is Acidic, Neutral and for Boulder Blue Fescue is Acidic, Neutral.
Choy Sum and Boulder Blue Fescue Physical Information
Choy Sum and Boulder Blue Fescue physical information is very important for comparison. Choy Sum height is 15.20 cm and width 15.70 cm whereas Boulder Blue Fescue height is 30.50 cm and width 25.40 cm. The color specification of Choy Sum and Boulder Blue Fescue are as follows:
Choy Sum flower color: Yellow
Choy Sum leaf color: Green, Light Green
Boulder Blue Fescue flower color: Not Available
- Boulder Blue Fescue leaf color: Blue Green and Gray
Care of Choy Sum and Boulder Blue Fescue
Care of Choy Sum and Boulder Blue Fescue include pruning, fertilizers, watering etc. Choy Sum pruning is done Remove dead or diseased plant parts and Boulder Blue Fescue pruning is done Cut or pinch the stems, Remove dead leaves and Remove dead or diseased plant parts. In summer Choy Sum needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Boulder Blue Fescue needs Lots of watering and in winter, it needs Average Water.