Life Span
Perennial
Perennial
Type
Tender Perennial
Grass
Origin
Southeastern Asia
North America, United States, Southwestern United States, Texas, Mexico
Types
Curcuma alismatifolia
Foxtail muhly, Devils Canyon muhly, alkali muhly
Number of Varieties
72
0
40000
👆🏻
Habitat
Open grasslands, Wild
High elevation, Hillside, Slopes
USDA Hardiness Zone
8-117-10
0
99
👆🏻
AHS Heat Zone
12-9
12 - 7
Sunset Zone
H1, H2, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
-
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
60.00 cm45.72 cm
0
3900
👆🏻
Minimum Width
60.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Pink, Light Pink, Rose
Pink, Purple, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, White
Leaf Color in Spring
Green, Light Green, Blue Green
Light Green, Blue Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Green, Blue Green, Yellow green
Blue Green, Gray Green
Leaf Color in Winter
Light Green
Blue Green, Gray Green, Tan
Shape
Leaf Shape
Lance shaped
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Summer, Late Summer, Early Fall, Fall
Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Rhizome division, Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do not let dry out between waterings, Requires a lot of watering
Needs less watering, Water every 3 weeks until the root ball is wet
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Acidic, Neutral
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Grass Cuttting and pruning up to 5cm, Prune in early spring, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Complete balanced fertilizer
All-Purpose Liquid Fertilizer, EDTA iron
Pests and Diseases
Fungal Diseases, Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
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
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Snails
Bees, Butterflies
Allergy
poisonous if ingested, Skin irritation
Pollen
Uses
Aesthetic Uses
Cut Flowers, Showy Purposes
Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, soil erosion prevension on hill slopes, Wildlife
Plant Benefits
Medicinal Uses
Antidiarrhoeal, Anti-oxidant
-
Part of Plant Used
Flowers
-
Other Uses
Used as a vegetable, Used as Ornamental plant
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Feature Plant, Mixed Border, Tropical
Dried Flower/Everlasting, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Botanical Name
CURCUMA alismatifolia
MUHLENBERGIA emersleyi
Common Name
Hidden Ginger, Siam Tulip
Bull Grass
In Hindi
Siam Tulip
Bull Grass
In German
Siam Tulip
Bull Grass
In French
Siam Tulip
Bull Herbe
In Spanish
Tulipán de Tailandia
Bull Hierba
In Greek
Siam Tulip
Δελτίο Grass
In Portuguese
Siam Tulip
touro grama
In Polish
Siam Tulip
Bull Trawa
In Latin
Tulip Siam
Bull Grass
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Zingiberales
Cyperales
Family
Zingiberaceae
Poaceae
Genus
Curcuma
Muhlenbergia
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Commelinids, Monocots
Tribe
Zingibereae
Eragrostideae
Subfamily
Zingiberoideae
Chloridoideae
Number of Species
50180
1
27800
👆🏻