Photo by Melody

PlantFiles: Tall Bearded Iris
Iris 'Rain Check'

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Rain Check
Hybridized by Stahly; Year of Registration or Introduction: 1993

» View all varieties of Iris

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Class:
Tall Bearded (TB)

Height:
24-36 in. (60-90 cm)
36-48 in. (90-120 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

Bloom Color:
Light Blue

Bloom Time:
Midseason (M)

Foliage:
Herbaceous

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

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:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Allow cut surface to callous over before planting

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

Awards (if applicable):
Unknown - Tell us

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to view:

By laurief
Thumbnail #1 of Iris  by laurief

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive laurief On Oct 20, 2003, laurief from Deer River, MN (Zone 3b) wrote:

Very few tall beardeds (TBs) can survive my growing conditions. This northern MN zone 3b climate inflicts severe, extended cold during the winter months, often with little snow cover for insulation. Summer temps can exceed 90 degrees F. My soil is very heavy, compacted clay with a slightly acid pH. A large local deer population frequently tramples and sometimes grazes on my irises in early spring and late fall. Iris borers are present but managed successfully with a granular systemic grub control product. Weeds are abundant and only occasionally beaten back by an admittedly lazy gardener (yours truly). Fertilization is inconsistent, when provided at all. Most TBs here are growing with less than 6 hrs of sun per day, so growth and bloom are not what they could be under full sun conditions. I have lost hundreds of weaker TB cultivars over the years, so the few that have managed to survive are worthy of high praise.

After several years of strong survival and reliable bloom in my garden, RAIN CHECK disappeared this year. I have no doubt it would still be growing and blooming happily if I had renovated my beds last year as I should have. The beds had become compacted into near concrete by the time I reworked them this summer.

RC's blooms are quite lovely, though a bit smaller than many other modern TBs. The stalks have unfortunately close, tight branching here which tends to crowd the flowers, but they still make a nice show in the garden. For a hardy, disease-resistant cultivar with reliable bloom, I highly recommend this cultivar. RC is one of those rare TBs which I will replace.

Laurie

Regional...

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

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