Photo by Melody

PlantFiles: Double Creeping Buttercup
Ranunculus repens 'Pleniflorus'

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Ranunculus (ra-NUN-ku-lus) (Info)
Species: repens (REE-penz) (Info)
Cultivar: Pleniflorus
Additional cultivar information: (aka Flore-Pleno)

Synonym:Ranunculus repens var. pleniflorus

One vendor has this plant for sale.

6 members have or want this plant for trade.

Category:
Groundcovers
Perennials

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness:
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)

Sun Exposure:
Sun to Partial Shade
Light Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
Bright Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Deciduous

Other details:
May be a noxious weed or invasive
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

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)

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

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There are a total of 8 photos.
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Profile:

3 positives
2 neutrals
2 negatives

Gardeners' Notes:

RatingAuthorContent
Positive maudie400 On Jul 19, 2014, maudie400 from Normal, IL wrote:

My mother gave me this plant. It does spread, but not uncontrollably. Flowers are graceful, it blooms for a long period, and the leaves are nice.

Negative coriaceous On Feb 1, 2014, coriaceous from ROSLINDALE, MA wrote:

I've spent much time trying to rid both lawn and beds of the parent species. A noxious weed of lawns and gardens and an invasive species destructive of natural areas, it's on the Massachusetts prohibited plant list, which makes the sale, trade, transport, and planting of this species illegal. Runners root at every node.

Poisonous to grazing animals, and the juice contains a vesicant that can cause blistering on contact.

This plant destroys other plants not only through competition for resources but also by producing allelopathic chemicals, toxins that inhibit the growth of or kill a wide range of other plants.

Neutral tmaryso43 On Apr 29, 2013, tmaryso43 from Taos, MO wrote:

I have had this plant several years. Grown in full sun surrounding a bird bath. It does tend to spread by the roots system but not that hard to keep under control. The plant is lovely green and the flowers are a nice bright yellow and last for a time. I didn't realize all parts of the plant were poisonous until I read about the plant on this web site. Just keep in control by digging up the runners. I haven't had much trouble with the watering either, live in Missouri, drought last year did some watering but not that much and it looks great this year!

Positive khicks On Apr 15, 2010, khicks wrote:

This plant grew in our yard when I was a child; it has disappeared. I wish I could get a start of it again. It was not invasive. It was used as a ground cover around several flowering shrubs.

Negative WAHawk On Jun 8, 2009, WAHawk from Sammamish, WA wrote:

This sure looks like what has become the most invasive plant in my yard (not planted by me). The growing conditions in the West Cascade foothills seem to be ideal... heavy clay soil that stays wet all year. It's a very pretty plant, but I don't want it the lawn, every bed I have, etc., etc. I pull and pull, but every tiny bit of root left seems to sprout a new plant. I'm at war!

Positive jocelynsladen On Sep 4, 2006, jocelynsladen from Warrenton, VA wrote:

My mother had superb gardens, and used this Ranunculus in so many ways...beside steps, between stones, on edges. It never became agressive or ill mannered. We loved it, and I wish I could find a source of it again.

Neutral Baa On Jul 10, 2003, Baa wrote:

A double flowered cultivar which happily spreads by stolons.

Has mid to deep green, lobed, slightly hairy leaves. Bears fully double, almost button like, bright yellow flowers often with green centres.

Flowers April to July

Loves a well drained but moist soil in light shade. It's a good summer ground cover but can be invasive at times.

Unlikely to come true from seed.

Regional...

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

Athens, Alabama
Fayetteville, Arkansas
Colorado Springs, Colorado
Denver, Colorado
Dawson, Georgia
Homewood, Illinois
Normal, Illinois
Fort Wayne, Indiana
Gowrie, Iowa
Roslindale, Massachusetts
Springfield, Massachusetts
Winona, Minnesota
Jefferson City, Missouri
Carmel, New York
Aurora, Ohio
Cincinnati, Ohio
Corning, Ohio
Covington, Ohio
Piqua, Ohio
Loretto, Tennessee
Maryville, Tennessee
Sammamish, Washington
Madison, Wisconsin
Casper, Wyoming



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