Life Span
Perennial
Perennial
Type
Ornamental Grasses and Bamboo
Shrub
Origin
Southern Europe, Western Europe, Mediterranean
Southwestern United States, Mexico
Types
-
Yucca aloifolia 'Purpurea' , Yucca aloifolia
Number of Varieties
101
0
40000
👆🏻
Habitat
Desert, Dry areas, Dry Forest, Rocky areas
coastal environs, Coastal sand dunes, mild coastal areas
USDA Hardiness Zone
4-97-9
0
99
👆🏻
AHS Heat Zone
9 - 1
9-7
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
Cushion/Mound-forming
Rosette/Stemless
Plant Size
Minimum Height
45.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
60.96 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Green
Pink, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Blue Green, Silver, Gray
Green, Gray Green, Dark Green
Leaf Color in Summer
Light Green
Green, Gray Green, Dark Green
Leaf Color in Fall
Blue Green, Silver, Gray
Green, Gray Green
Leaf Color in Winter
Blue Green, Tan, Silver, Gray
Green, Gray Green, Dark Green
Shape
Leaf Shape
Grass like
long with sharp edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Medium
Very Slow
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Salt
Drought, Salt
Where to Plant?
Container, Ground
Ground
How to Plant?
Rooted stem cutting, Seedlings, Stem Planting
Cuttings, Divison
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established, Requires regular watering, Requires watering in the growing season
Keep the Soil well drained, Needs very little water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
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 leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Leaf spot, Scale
Plant Tolerance
Salt
Drought, Salt
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
Bold
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
Butterflies
Allergy
Asthma, Itchiness, Rash, Rhinitis
-
Uses
Aesthetic Uses
Ground Cover
Borders, Cottage Garden, Wild gardens, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Stem
-
Other Uses
Used as Ornamental plant
Beneficial species for attracting pollinators
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edging, Mixed Border, Rock Garden / Wall
Rock Garden, Wall, Wildflower
Botanical Name
HELICTOTRICHON sempervirens
YUCCA harrimaniae
Common Name
Blue Oat Grass
mound lily
In Hindi
ब्लू जई घास
palm lily
In German
Blau Ährengras
palm lily
In French
Bleu Oat Grass
palm lily
In Spanish
Azul hierba de avena
palm lily
In Greek
Μπλε βρώμης Grass
palm lily
In Portuguese
Azul Aveia
palm lily
In Polish
Niebieski Owies trawa
palm lily
In Latin
Blue Oat Grass
palm lily
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Poales
Liliales
Family
Poaceae
Agavaceae
Genus
Helictotrichon
Yucca
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Monocots
Tribe
Aveneae
-
Subfamily
Pooideae
Agavoideae
Number of Species
7015
1
27800
👆🏻