Photo by Melody

PlantFiles: Standard Dwarf Bearded Iris
Iris 'Raspberry Jam'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Raspberry Jam
Hybridized by Niswonger; Year of Registration or Introduction: 1980

» View all varieties of Iris

One member has or wants this plant for trade.

Standard Dwarf Bearded (SDB)

6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

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
Sun to Partial Shade

Parts of plant are poisonous if ingested

Bloom Color:
Fuchsia (Red-Purple)

Bloom Time:
Midseason (M)


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:

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

Seed Collecting:
Bag seedheads to capture ripening seed
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

Awards (if applicable):
Honorable Mention
Award of Merit
Cook- Douglas Medal (SDB)

Click thumbnail
to view:

By puttytat
Thumbnail #1 of Iris  by puttytat

By laurief
Thumbnail #2 of Iris  by laurief

By Elizabethtown
Thumbnail #3 of Iris  by Elizabethtown

By gonzomamma
Thumbnail #4 of Iris  by gonzomamma

Thumbnail #5 of Iris  by TBGDN

By daylily970
Thumbnail #6 of Iris  by daylily970


2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive TBGDN On May 3, 2008, TBGDN from (Zone 5a) wrote:

This one came to me from laurief in Deer River, MN. It has adjusted well here in it's 'warmer' home, and has now increased to a full-size clump. Well worth having here in IN.

AIS Check List information: (O. D. Niswonger, R. 1980) Sdlg. 7-78. SDB, 12" (30 cm), M; Red violet with deeper spot on F.; white blue beard. Rangerette X Amazon Princess. Cape Iris 1981, HM 1983, AM 1985, Cook-Douglas 1988.

Neutral Joan On Feb 16, 2008, Joan from Belfield, ND (Zone 4a) wrote:

Awards: HM 1983, AM 1985, Cook-Douglas 1988

Positive Elizabethtown On Jun 14, 2005, Elizabethtown from Hagerstown, MD (Zone 6a) wrote:

Niswonger, 1980. 12" (30 cm). Blooms M. Red violet with deeper spot on F.; white blue beard. (Rangerette X Amazon Princess).

Plant was a fussy starter here but once established it has become a nice carefree addition to the garden. Lovely shade of dark raspberry.


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

Montrose, Colorado
Macy, Indiana
Hagerstown, Maryland
Deer River, Minnesota
Los Alamos, New Mexico
Coshocton, Ohio

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