Photo by Melody

PlantFiles: Spanish Iris
Iris xiphium

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: xiphium (ZIF-ee-um) (Info)

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Class:
Species

Height:
18-24 in. (45-60 cm)

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

Hardiness:
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)

Sun Exposure:
Full Sun

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

Bloom Color:
Bright Yellow
Light Blue
Medium Blue
Dark Blue
Blue-Violet
Violet/Lavender
White/Near White

Bloom Time:
Midseason (M)
Late Midseason (MLa)

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
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)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Awards (if applicable):
Unknown - Tell us

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By Baa
Thumbnail #1 of Iris xiphium by Baa

By alhanks
Thumbnail #2 of Iris xiphium by alhanks

By hczone6
Thumbnail #3 of Iris xiphium by hczone6

By AngryRedHead
Thumbnail #4 of Iris xiphium by AngryRedHead

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Baa On Jan 11, 2003, Baa wrote:

A bulbous Xiphium Iris from Southern Europe.

Has lance shaped light - mid green leaves. Bears deep blue to lavender, occasionally yellow or white flowers with a yellow or orange marking on the falls.

Flowers April to June

Loves a well drained, moderately fertile soil in full sun. Don't allow the bulbs to dry out completely when dormant.

This species is one of the parent plants of the many Dutch Iris hybrids.

Regional...

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

Salinas, California
Cobleskill, New York
Kalama, Washington



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