Life Span
Perennial
Perennial
Type
Tender Perennial
Tree
Origin
Brazil
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Neomarica gracilis
-
Number of Varieties
33
0
40000
👆🏻
Habitat
subtropical regions, Tropical regions
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
7-144-9
0
99
👆🏻
AHS Heat Zone
12 - 8
9-1
Sunset Zone
H1, H2, 16, 17, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Thicket/Colonizing
Oval or Rounded
Plant Size
Minimum Height
90.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
120.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Blue, Burgundy, Lavender, Blue Violet
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Black
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
Green, Light Green
Leaf Color in Fall
Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Sword-like
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Summer, Early Fall, Fall, Late Fall, Early Winter, Winter, Late Winter, Indeterminate
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Divison, Seedlings
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires regular watering
Requires a lot of watering, Requires regular watering
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
Average
Average
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut out old flower stalks, Cut out old leaves
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
Balanced garden plant fertilizer
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
Bacterial Diseases, Fungal Diseases, Rodent, Viruses
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
Flowers
Showy
Showy
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
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
-
Allergy
-
Asthma
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
-
Whole plant
Other Uses
Used as Ornamental plant
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Groundcover, Tropical
Feature Plant, Shade Trees
Botanical Name
NEOMARICA caerulea
BETULA nigra
Common Name
Giant Apostle's Iris, Walking Iris
River Birch
In Hindi
Walking Iris
River Birch
In German
Gehen Iris
Fluss Birch
In French
Iris Marcher
Birch river
In Spanish
caminar Iris
river Birch
In Greek
περπάτημα Iris
ποταμός Birch
In Portuguese
Andar Iris
river Birch
In Polish
Walking Iris
Rzeka Birch
In Latin
O Thaumantias
Betula
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Liliales
Fagales
Family
Iridaceae
Betulaceae
Genus
Neomarica
Betula
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Mariceae
-
Subfamily
Iridoideae
-
Number of Species
283
1
27800
👆🏻