Ranunculus Species, Kidneyleaf Crowfoot, Littleleaf Buttercup, Small-Flowered Buttercup

Ranunculusabortivus

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Ranunculus (ra-NUN-ku-lus)
Species
abortivus (a-bor-TEE-vus)
Synonym
Ranunculus abortivus subsp. acrolasius
Ranunculus abortivus var. acrolasius
Ranunculus abortivus var. eucyclus
Ranunculus abortivus var. indivisus
Sun Exposure
Partial to Full Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Valparaiso, Indiana

Benton, Kentucky

Brookeville, Maryland

Saint Paul, Minnesota

Leesburg, Virginia

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Gardener's Notes:

1
positive
2
neutrals
0
negative
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P
Valparaiso, IN | May 2012 | positive

Kidneyleaf Buttercup is native to the U.S. It flowers March to June. Also known by the common name Littleleaf Crowfoot. Ground-foraging...Read More

C
Brookeville, MD (Zone 7a) | April 2005 | neutral

Common weed here in the woods, mostly in the sunnier locations.

There's not much to say for it, inconspicous flower, unimp...Read More

M
M
Benton, KY (Zone 7a) | April 2005 | neutral

A common little field weed here in West KY. It blooms in late March/early April here and the inconspicuous little flowers are not very at...Read More

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