Photo by Melody

PlantFiles: Gladiolus
Gladiolus x hortulanus 'Blue Isle'

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Gladiolus (GLAD-ee-oh-lus) (Info)
Species: x hortulanus (hor-tew-LAY-nus) (Info)
Cultivar: Blue Isle

» View all varieties of Gladiolus

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Category:
Bulbs
Tropicals and Tender Perennials

Height:
36-48 in. (90-120 cm)

Spacing:
6-9 in. (15-22 cm)

Hardiness:
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

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

Bloom Color:
Medium Blue

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

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

Click thumbnail
to view:

By DreamOfSpring
Thumbnail #1 of Gladiolus x hortulanus by DreamOfSpring

By GeorgiaJo
Thumbnail #2 of Gladiolus x hortulanus by GeorgiaJo

By AnneCS
Thumbnail #3 of Gladiolus x hortulanus by AnneCS

By Kim_M
Thumbnail #4 of Gladiolus x hortulanus by Kim_M

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive DreamOfSpring On Jun 6, 2005, DreamOfSpring from Charleston, SC (Zone 9a) wrote:

Mine are really more of a blue lavendar, but I like them very much just the same. Also note that the color looks great with various shades of green, esp. lime and with other blues, purples.

Regional...

This plant has been said to grow in the following regions:

Dallas, Georgia
Hamburg, Pennsylvania
Knoxville, Tennessee
Hemphill, Texas



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