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PlantFiles: Danford Iris, Dwarf Iris, Buttercup Iris
Iris danfordiae

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: danfordiae (dan-FORD-ee-ay) (Info)

» View all varieties of Iris

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9 members have or want this plant for trade.

Unknown - Tell us

under 6 in. (15 cm)

3-6 in. (7-15 cm)

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
Sun to Partial Shade

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

Bloom Color:
Bright Yellow

Bloom Time:
Extra early (EE)


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)

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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By Badseed
Thumbnail #1 of Iris danfordiae by Badseed

By mystic
Thumbnail #2 of Iris danfordiae by mystic

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Thumbnail #3 of Iris danfordiae by dicentra63

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Thumbnail #6 of Iris danfordiae by EROCTUSE2


3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive sallyg On Mar 9, 2013, sallyg from Anne Arundel,, MD (Zone 7b) wrote:

Early bloomer, mine coincides with Crocus tommasinianus and are similarly short to the ground. Blooming this year March 6- 12, started a couple days after the crocus. This Iris is all but invisible in winter, and then one day this bright yellow spike appears- its made me exclaim in surprise at least twice, as I had sort of forgotten to look for it, and it is so bright and intense. After bloom it will grow long thin leaves for awhile to renew the bulb.

Positive ineedacupoftea On Nov 25, 2005, ineedacupoftea from Denver, CO wrote:

Mine bloomed Feb 1 last spring, before the I. reticulatas. Make sure not to combine this lemon-yellow with a crocus' golden -yellow. No kidding- It is quite disgusting!

Positive mystic On Mar 15, 2003, mystic from Ewing, KY (Zone 6a) wrote:

One of the first things to bloom, a sure sign spring is just around the corner.


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

Ewing, Kentucky
Millersville, Maryland
Belleville, Michigan
Lake Orion, Michigan
Saint Clair Shores, Michigan
Norristown, Pennsylvania
Salt Lake City, Utah

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