Photo by Melody

PlantFiles: Double Pink Soapwort, Bouncing Bet, Goodbye Summer
Saponaria officinalis 'Flore Pleno'

Family: Caryophyllaceae (kar-ree-oh-fil-AY-see-ee) (Info)
Genus: Saponaria (sap-oh-NAIR-ee-uh) (Info)
Species: officinalis (oh-fiss-ih-NAH-liss) (Info)
Cultivar: Flore Pleno

2 vendors have this plant for sale.

12 members have or want this plant for trade.


18-24 in. (45-60 cm)

9-12 in. (22-30 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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:

Bloom Time:
Late Spring/Early Summer


Other details:
May be a noxious weed or invasive

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
From softwood cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Unknown - Tell us

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By Evert
Thumbnail #1 of Saponaria officinalis by Evert

By Evert
Thumbnail #2 of Saponaria officinalis by Evert

By Evert
Thumbnail #3 of Saponaria officinalis by Evert

By msfarmergirl
Thumbnail #4 of Saponaria officinalis by msfarmergirl

By DorisS
Thumbnail #5 of Saponaria officinalis by DorisS

By DorisS
Thumbnail #6 of Saponaria officinalis by DorisS

By moccasin
Thumbnail #7 of Saponaria officinalis by moccasin

There are a total of 10 photos.
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive moccasin On Jul 2, 2007, moccasin from Kelowna, BC (Zone 5b) wrote:

This plant mysteriously appeared after we had a house fire at the farm where we lived. It had never been planted and showed up in two distinct areas - not near the hotspot. I have uploaded some photos. Would be interested in knowing how it came to just grow there. We left the farm shortly after the pictures were taken, so do not know if it grew again in any subsequent years. In all my years of gardening and photographing blooms and plants, I had not seen this one before (or since) in the Southern Interior of BC Canada - Zone 5, but I have not asked for it at any of the garden centres. Must do that ... ;) It has taken me 3 years just to find out what it was!!!!

Positive DorisS On Apr 11, 2007, DorisS from Bucharest
Romania (Zone 6b) wrote:

I live in Bucharest, Romania (zone 6-7) and I had some real trouble in identifying my neighbour's beautiful saponaria (I know NOW)... He didn't know the name of the plant, he just told me that farmers use to wash their hands with it (and that's how I find it on the web)... Anyway, the flowers are pure white and I've been really intrigued with its flowering period... It had flowers in December (a bit frozen :) and it's full of flowers now, April 11th! This plant has been flowering continuously since he planted it! The fragrance is subtle and delicate. I am trying to propagate it, so hopefully I'll have one too :)

Neutral msfarmergirl On Jun 28, 2006, msfarmergirl from Philadelphia, MS (Zone 7b) wrote:

My husband's grandmother planted this flower here years ago and it has stayed within its boundaries. It surrounds what is now the stump of an old redbud tree. I did not identify it until this year because my husband had cut it down previously weedeating. Next year I will support it somehow because presently it is just sprawled on the ground. My Mom says that her Mom and Grandma had this flower as well. Mom now has it in her small cottage garden and it has not spread or become invasive. Side note: she tends her garden daily so that may not be a good example of whether it would get out of control somewhere else.


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

Grayslake, Illinois
Iowa City, Iowa
Mathiston, Mississippi
Philadelphia, Mississippi
Bessemer City, North Carolina
Elizabeth City, North Carolina
Klamath Falls, Oregon
San Antonio, Texas
Spicewood, Texas

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