Life Span
Annual
Annual and Perennial
Type
Bulb or Corm or Tuber
Tender Perennial
Origin
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
Mexico, Central America
Types
Mountain silverbell , Rosea
A. houstonianum f. isochroum, A. houstonianum f. luteum, A. houstonianum var. muticescens
Number of Varieties
36
0
40000
👆🏻
Habitat
Floodplains, low mountains, Lower slopes, secondary forest
Sunny Edge, Woodland Garden
USDA Hardiness Zone
5-910-13
0
99
👆🏻
AHS Heat Zone
9-5
12-1
Sunset Zone
21,22
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 20, 21, 22, 23, 24
Habit
Clump-Forming
Cushion/Mound-forming
Plant Size
Minimum Height
25.40 cm30.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
White, Blue, Blue Violet
Flower Color Modifier
Bicolor
-
Fruit Color
-
Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Several shades of Green
Green
Leaf Color in Winter
Light Green
Green
Shape
Leaf Shape
Acuminate
Heart-shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Layering, Seedlings, Stem Cutting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
occasional watering once established
Keep ground moist, Keep the Soil well drained
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Acidic, Neutral, Alkaline
Soil Type
-
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Prune grass to maintain level, 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
Pests and diseases free
Red blotch
Plant Tolerance
Drought and Salt
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
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Flying insects
Birds, Butterflies
Allergy
-
allergic reaction, Poisonous, Skin irritation
Uses
Aesthetic Uses
along a porch, deck or patio, Beautification, Cottage Garden, Showy Purposes, Wild gardens
Showy Purposes
Beauty Benefits
-
-
Edible Uses
-
Insignificant
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Anodyne, Cuts, Wounds
Part of Plant Used
-
Flowers
Other Uses
Decoration Purposes
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Mixed Border, Rock Garden / Wall
Bedding Plant, Container, Cutflower, Edging, Hanging Basket, Mixed Border, Tropical
Botanical Name
ORNITHOGALUM nutans
AGERATUM houstonianum
Common Name
Drooping Star-of-Bethlehem, Nodding Star-of-Bethlehem, Silver Bells
Ageratum, Blue Mink, Flossflower
In Hindi
Silver bells
Blue Mink
Plant
In German
Silver bells
Blue Mink
Pflanze
In French
Silver bells
Bleu Mink
Plante
In Spanish
Silver bells
azul Mink
Planta
In Greek
Silver bells
μπλε βιζόν
Φυτό
In Portuguese
Silver bells
azul Mink
Plantar
In Polish
Silver bells
niebieski Mink
Roślina
In Latin
Silver bells
blue Mink
planta
Kingdom
Plantae
Plantae
Phylum
Angiosperms
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ebenales
Asterales
Family
Asparagaceae
Asteraceae
Genus
Halesia
Ageratum
Clade
Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
Eupatorieae
Subfamily
-
Asteroideae
Number of Species
41
1
27800
👆🏻