Life Span
Perennial
Perennial
Type
Grass
Flowering Plants, Shrubs
Origin
World/Pandemic, North America, Europe, Russia/Siberia, Asia
Europe, Northern America
Types
Blue fescue, Large Blue fescue
Persian lilac, Dwarf Korean lilac, Tree lilacs, Chinese lilac, Himalayan lilac
Number of Varieties
Not Available
Habitat
Moist Soils, Rocky areas, Well Drained
Roadsides, Rocky areas, Thickets
USDA Hardiness Zone
4-8
3-7
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
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14
Habit
Clump-Forming
Upright/Erect
Flower Color
Not Available
Blue, Pink, Purple, Red, White, Yellow
Flower Color Modifier
Bicolor
Not Available
Fruit Color
Not Available
Brown
Leaf Color in Spring
Blue Green, Gray
Dark Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Blue Green, Gray
Green, Lemon yellow, Sandy Brown
Leaf Color in Winter
Blue Green, Tan, Gray
Not Available
Leaf Shape
Grass like
Heart-shaped
Plant Season
Spring, Summer, Fall, Winter
Spring
Sunlight
Full Sun, Partial Sun
Full Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Loamy, Sandy
The pH of Soil
Acidic, Neutral
Acidic, Alkaline, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Spring
Tolerances
Drought
Not Available
Where to Plant?
Container, Ground
Ground, Pot
How to Plant?
Seedlings
Grafting, Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Requirements
Requires regular watering
Keep the ground moist but not water-logged, Over-watering can cause leaf problems or root diseases, Prefer drip-irrigation instead of Over-head watering, Requires a lot of watering, Water twice a day in the initial period, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Alkaline, Neutral
Soil Type
Loam, Sand
Loamy, Sandy
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves, Remove dead or diseased plant parts
Prune after flowering, Prune prior to new growth, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
Apply 10-10-10 amount
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Powdery mildew, Slugs, Snails
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Yes
Flower Petal Number
Single
Double
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Matte
Attracts
Birds, Butterflies
Butterflies, Hummingbirds
Allergy
Not Available
Eye irritation, Itchy eyes, Runny nose
Aesthetic Uses
Ground Cover
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Beauty Benefits
Not Available
Not Available
Environmental Uses
Air purification, Provides ground cover
Air purification
Medicinal Uses
Not Available
Fever, Treat Parasitic Intestinal Worms
Part of Plant Used
Flowers, Seeds
Flowers
Other Uses
Used as Ornamental plant
Air freshner, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Used As Food, Used as Ornamental plant, Used for fragrance
Used As Indoor Plant
Insignificant
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Container, Feature Plant, Mixed Border, Rock Garden / Wall
Cutflower, Edging, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
FESTUCA glauca 'Boulder Blue'
Syringa
Common Name
Blue Fescue, Boulder Blue Fescue
Lilac
In Hindi
Boulder Blue Fescue
बकाइन
In German
Boulder Blau -Schwingel
Flieder
In French
Boulder bleu fétuque
lilas
In Spanish
Boulder azul de la hierba festuca
lila
In Greek
Boulder μπλε γρασίδι φεστούκα
πασχαλιά
In Portuguese
Boulder Blue Grass festuca
lilás
In Polish
Boulder niebieskie trawy kostrzewy
liliowy
In Latin
Hyacintho herba, lapidem fescue
lilac
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Asterids, Eudicots
Subfamily
Pooideae
Not Available
Season and Care of Boulder Blue Fescue and Lilacs
Season and care of Boulder Blue Fescue and Lilacs is important to know. While considering everything about Boulder Blue Fescue and Lilacs Care, growing season is an essential factor. Boulder Blue Fescue season is Spring, Summer, Fall and Winter and Lilacs season is Spring, Summer, Fall and Winter. The type of soil for Boulder Blue Fescue is Loam, Sand and for Lilacs is Loamy, Sandy while the PH of soil for Boulder Blue Fescue is Acidic, Neutral and for Lilacs is Acidic, Alkaline, Neutral.
Boulder Blue Fescue and Lilacs Physical Information
Boulder Blue Fescue and Lilacs physical information is very important for comparison. Boulder Blue Fescue height is 30.50 cm and width 25.40 cm whereas Lilacs height is 10.00 cm and width 9.00 cm. The color specification of Boulder Blue Fescue and Lilacs are as follows:
Boulder Blue Fescue flower color: Not Available
Boulder Blue Fescue leaf color: Blue Green and Gray
Lilacs flower color: Blue, Pink, Purple, Red, White and Yellow
- Lilacs leaf color: Dark Green
Care of Boulder Blue Fescue and Lilacs
Care of Boulder Blue Fescue and Lilacs include pruning, fertilizers, watering etc. Boulder Blue Fescue pruning is done Cut or pinch the stems, Remove dead leaves and Remove dead or diseased plant parts and Lilacs pruning is done Prune after flowering, Prune prior to new growth, Remove dead leaves and Remove dead or diseased plant parts. In summer Boulder Blue Fescue needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Lilacs needs Lots of watering and in winter, it needs Average Water.