Life Span
Perennial
Perennial
Type
Cactus or Succulent, Tree
Perennial
Origin
Southwestern United States, Mexico
Eastern Europe, Russia, Siberia
Types
-
Iris sibirica
Number of Varieties
4090
0
40000
👆🏻
Habitat
Desert, Dry areas, Rocky areas, Sandy areas
Damp shady woods, Pastures
USDA Hardiness Zone
6-103-8
0
99
👆🏻
AHS Heat Zone
12-7
7-1
Sunset Zone
9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
610.00 cm50.80 cm
0
3900
👆🏻
Minimum Width
300.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Ivory
White, Purple, Blue Violet
Flower Color Modifier
-
Bicolor
Fruit Color
Light Green
-
Leaf Color in Spring
Gray Green, Dark Green
Green, Dark Green
Leaf Color in Summer
Gray Green, Dark Green
Green, Dark Green
Leaf Color in Fall
Gray Green, Dark Green
Green, Dark Green
Leaf Color in Winter
Olive, Gray Green, Dark Green
Light Green
Shape
Leaf Shape
Linear
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Very Slow
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Spring, Spring, Late Winter
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Leaf Cutting, Stem Cutting
Bulbs, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Allow soil to be completely dry in between waterings, Do not water frequently
Keep ground moist
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, No fertilizers needed
All-Purpose Liquid Fertilizer
Pests and Diseases
Brown Spots, Red blotch
Red blotch
Plant Tolerance
Drought, Dry Conditions, Dry soil, Heat Tolerance, Rocky Soil, Sun
Drought
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
Bold
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
pollinators
Allergy
-
allergic reaction, Skin irritation
Uses
Aesthetic Uses
Decorating walls
Bog Garden, Showy Purposes, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Expectorant
Part of Plant Used
-
Flowers, Root
Other Uses
-
Used as an insecticide
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Rock Garden, Wall
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
YUCCA brevifolia
IRIS sibirica
Common Name
yucca palm
tree yucca
palm tree yucca
Siberian Iris
In Hindi
Joshua Tree
Siberian Iris
In German
Joshua Tree
Sibirische Schwertlilie
In French
Joshua Tree
L'Iris de Sibérie
In Spanish
Árbol de Joshua
Siberian Iris
In Greek
Joshua Tree
Siberian Iris
In Portuguese
Joshua Tree
Siberian Iris
In Polish
Joshua Tree
Kosaciec syberyjski
In Latin
Joshua ligno
Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheobionta
Class
Magnoliopsida
Liliopsida
Order
Asparagales
Liliales
Family
Agavaceae
Iridaceae
Genus
Yucca
Iris
Clade
Angiosperms, Monocots
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
50300
1
27800
👆🏻