Tall Bearded Iris
Iris 'Biscay Bay'

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Iris (EYE-ris)
Cultivar: Biscay Bay
Hybridized by Schreiner 1955

Class
Tall Bearded (TB)

Height
24-36 in. (60-90 cm)

Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
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)

Sun Exposure
Full Sun

Danger
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color
Light Blue

Bloom Time
Midseason (M)

Foliage
Herbaceous

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Awards (if applicable)
Honorable Mention

Foliage Color

Bloom Characteristics

Water Requirements
Average Water Needs; Water regularly; do not overwater

Where to Grow