Home / Guides / Plant Files / Iridaceae

Dutch Iris 'Blue Ribbon'

Irisx hollandica

Upload Image Print Article
Iris x hollandica by htop
Upload Image Print Article
Family
Iridaceae (eye-rid-AY-see-ee)
Info
Genus
Iris (EYE-ris)
Info
Species
x hollandica (hol-LAN-dee-kuh)
Info
Synonym
Height

Unknown - Tell us

Spacing
18-24 in. (45-60 cm)
Hardiness
3-6 in. (7-15 cm)
Sun Exposure
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Full Sun
Bloom Color
Parts of plant are poisonous if ingested
Foliage
Bright Yellow
Dark Blue
Medium Blue
Class
Allow pods to dry on plant; break open to collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Time

Unknown - Tell us

Other Details
Other details

Unknown - Tell us

Propagation Methods
Herbaceous
This plant is resistant to deer
Smooth
Seed Collecting

Unknown - Tell us

Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; germinate in a damp paper towel
Patent Information

Unknown - Tell us

Awards (if applicable)

Unknown - Tell us

Foliage Color

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Water Requirements

Unknown - Tell us

Where to Grow

Unknown - Tell us

Regional

This plant is said to grow outdoors in the following regions:

Riverside, California

Denver, Colorado

San Antonio, Texas

Ferndale, Washington

Seattle, Washington

View all varieties of Iris
View this plant in a garden
One vendor has this plant for sale
3 members have or want this plant for trade

Featured Videos

Gardener's Notes:

Post Comment
0
positive
0
neutral
0
negative
Sort By:
Post Comment
Sort By:
Popular Plants
SEE ALL
Iris
Peppers
Hydrangeas
Hostas
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Beetle
(Acmaeoderella adspersula)
BIRD FILES
Common Tern
(Sterna hirundo)
Quick Links
View All Families
View All Genera
View All Species
Freeze/Frost Dates
PlantFiles FAQ
Plants with no Photos
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Beetle
(Acmaeoderella adspersula)
BIRD FILES
Common Tern
(Sterna hirundo)