Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
China, Korea
Eastern Europe, Russia, Siberia
Types
Castanea mollissima
Iris sibirica
Number of Varieties
2090
0
40000
👆🏻
Habitat
disturbed sites, Forest edges
Damp shady woods, Pastures
USDA Hardiness Zone
4-83-8
0
99
👆🏻
AHS Heat Zone
8-1
7-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
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
Spreading
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm50.80 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Yellow, Ivory
White, Purple, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green, Chartreuse
-
Leaf Color in Spring
Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Gray Green, Dark Green
Green, Dark Green
Leaf Color in Fall
Yellow, Gold, Tan
Green, Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Lobed
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting
Bulbs, Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Do Not over Water, Medium, Requires watering in the growing season
Keep ground moist
In Summer
Adequately
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune in fall, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Nitrogen, Potassium
All-Purpose Liquid Fertilizer
Pests and Diseases
Beetles, Leafhoppers
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
-
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
pollinators
Allergy
Mild Allergen
allergic reaction, Skin irritation
Uses
Aesthetic Uses
-
Bog Garden, Showy Purposes, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for animals, Food for birds, Food for insects, Nesting sites for birds, Prevent Soil Erosion
Air purification
Plant Benefits
Medicinal Uses
Low calories, Nutrients
Expectorant
Part of Plant Used
Fruits, Seeds, Stem
Flowers, Root
Other Uses
Food for animals, Used as firewood, Used As Food, Used in biomass
Used as an insecticide
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Feature Plant, Shade Trees, Street Trees
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
CASTANEA mollissima
IRIS sibirica
Common Name
Chinese Chestnut
Siberian Iris
In Hindi
चीनी अखरोट
Siberian Iris
In German
chinesische Kastanie
Sibirische Schwertlilie
In French
châtaignier chinois
L'Iris de Sibérie
In Spanish
Castaño chino
Siberian Iris
In Greek
Κινέζικο κάστανο
Siberian Iris
In Portuguese
castanha chinesa
Siberian Iris
In Polish
Kasztan chiński
Kosaciec syberyjski
In Latin
Chinese Chestnut
Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheobionta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Liliales
Family
Fagaceae
Iridaceae
Genus
Castanea
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Gloxinieae
Irideae
Subfamily
Cassidinae
Iridoideae
Number of Species
15300
1
27800
👆🏻