Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
Europe, Western Asia
Central America, South America
Types
Blue Dune Lyme Grass
Psidium guajava,Acca sellowiana
Number of Varieties
7100
0
40000
👆🏻
Habitat
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
Moist Soils, Riverbanks, Semi arid regions
USDA Hardiness Zone
7-910-15
0
99
👆🏻
AHS Heat Zone
9 - 7
-
Sunset Zone
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
150.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
75.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Creamy Yellow
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Yellow, Pink
Leaf Color in Spring
Blue Green, Gray Green
Olive, Dark Green, Copper
Leaf Color in Summer
Light Green
Olive, Dark Green
Leaf Color in Fall
Blue Green, Gray Green
Olive, Dark Green
Leaf Color in Winter
Tan
Olive, Dark Green
Shape
Leaf Shape
Grass like
Oblong elliptic
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Drought, Soil Compaction
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Root Division, Rooted stem cutting, Seedlings
Grafting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established
Average Water Needs, Does not require lot of watering
In Summer
Lots of watering
Moderate
In Spring
Moderate
Less Watering
In Winter
Average Water
Less Watering
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial Sun
Pruning
No pruning needed in the early stages, Prune grass to maintain level
Prune in early spring, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in spring
Fertilize every three months, fertilize in growing season
Pests and Diseases
Red blotch
Anthracnose, Bacteria wilt, Canker, Cercospora leaf spot, Red blotch, Ring spot
Plant Tolerance
Drought, Pollution, Soil Compaction, Wet Site
Cold climate, Heat Tolerance, Variety of soil types
Flowers
Insignificant
Showy
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
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Ants, Birds, Bugs
Allergy
Pollen
Cold, drowsiness, Mouth itching
Uses
Aesthetic Uses
Ground Cover, Landscape Designing
-
Beauty Benefits
-
Acne, Improve skin tone, Treatment of Dark Spots
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Food for birds, Food for insects, Shadow Tree, soil stabilisation
Plant Benefits
Medicinal Uses
-
Diabetes, Diarrhea, Inflammation, Minerals
Part of Plant Used
Stem
Bark, Fruits, Stem
Other Uses
Used as Ornamental plant
Application in Handicrafts, Beneficial species for attracting pollinators, Used as a nemiticide, Used as an insecticide, Used as firewood
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower/Everlasting, Groundcover
Container, Edible, Fruit, Fruit Tree, Hedges, Houseplant, Screening, Wind Break
Botanical Name
ELYMUS glaucus
PSIDIUM guajava
Common Name
Blue Lyme Grass, Blue Wildrye
Guava Tree
In Hindi
Blue Lyme Grass
अमरूद [amarood]
In German
Blau Lyme Grass
Echte Guave or Goiaba or Guava or Guayaba or Guayave
In French
Bleu Lyme Herbe
Goyave or Goyavier
In Spanish
Azul hierba de Lyme
Guayaba manzana or Guayabo
In Greek
Μπλε Lyme Grass
γκουάβα [nkouáva]
In Portuguese
Azul Lyme grama
goiaba
In Polish
Niebieska Trawa Lyme
guawa
In Latin
Blue Lyme Grass
Psidium guajava
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Myrtales
Family
Poaceae
Myrtaceae
Genus
Elymus
Psidium guajava
Clade
Angiosperms, Commelinids, Monocots
Dicotyledonous
Tribe
Triticeae
-
Subfamily
Pooideae
Rosoideae
Number of Species
2100
1
27800
👆🏻