Ranunculus, Creeping Buttercup, Popcorn Plant 'Buttered Popcorn'

Ranunculusrepens

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Ranunculus (ra-NUN-ku-lus)
Species
repens (REE-penz)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Good Fall Color
Smooth
Height
6-12 in. (15-30 cm)
Spacing
15-18 in. (38-45 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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Time
Mid Spring
Other Details
Category
Groundcovers
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Chartreuse/Yellow
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
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; direct sow after last frost
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:

Guilford, Connecticut

Marietta, Georgia

Beecher, Illinois

Machesney Park, Illinois

Urbandale, Iowa

Roslindale, Massachusetts

Minneapolis, Minnesota

Saint Paul, Minnesota

Pequannock, New Jersey

Ithaca, New York

Newark, Ohio

Coopersburg, Pennsylvania

Lexington, Virginia

Onalaska, Washington

Marinette, Wisconsin

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Featured Videos

Gardener's Notes:

1
positive
3
neutrals
5
negatives
Sort By:
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C
ROSLINDALE, MA | February 2014 | negative

This cultivar spreads with astonishing speed, and is just as invasive as the species. I've spent much time trying to rid both lawn and be...Read More

F
Oldsmar, FL (Zone 10b) | January 2010 | neutral

B
B
Rockford, IL | October 2009 | neutral

It all depends where you put it. Not knowing its habit when I first planted it, I had to eradicate it (no easy task) from the perennial...Read More

L
Pequannock, NJ (Zone 6b) | November 2008 | negative

Very pretty and colorful even in winter but it is a thug. It spreads rapidly in all directions, through all things and it is not easy to ...Read More

S
Marietta, GA (Zone 7b) | February 2006 | neutral

I had already read the negative reviews of this plant when I decided to take my chances and put it in the garden this past fall. I do li...Read More

E
| June 2005 | negative

Top contender for a "Creeping Crud" award. I was given some of this as a gift. Oh lordie lordie lordie, talk about a gift that goes on g...Read More

D
D
Southern, CT (Zone 6a) | June 2005 | negative

The vendor I bought this from didn't warn me about how this spreads. I will now try to move it to deep shade or through it out. Its overw...Read More

V
Lower Hudson Valley, NY (Zone 6b) | December 2004 | positive

If you're looking for a fast spreading, colorful, weed smothering ground cover to go from full sun to full shade, this is it. It has not ...Read More

L
Ithaca, NY (Zone 5b) | November 2004 | negative

Another one of those invasive plants that once in the garden, is virtually impossible to get out. Each spring I start weeding one of the...Read More

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