Saponaria Species, Bouncing Bet, Crow Soap, Goodbye Summer, Soapweed, Soapwort

Saponaria officinalis

Family
Caryophyllaceae (kar-ree-oh-fil-AY-see-ee)
Genus
Saponaria (sap-oh-NAIR-ee-uh)
Species
officinalis (oh-fiss-ih-NAH-liss)
Synonym
Lychnis officinalis
Saponaria hybrida
Saponaria nervosa
Saponaria vulgaris
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
18-24 in. (45-60 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
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)
Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested
Bloom Color
Pale Pink
Pink
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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
Non-patented
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
Allow pods to dry on plant; break open to collect seeds
Regional

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

Daleville, Alabama

Clinton, Arkansas

Waldron, Arkansas

Calistoga, California

Templeton, California

Creede, Colorado

Naugatuck, Connecticut

Cordele, Georgia

Monroe, Georgia

Chicago, Illinois

Elgin, Illinois

Grayslake, Illinois

Morris, Illinois

Rockford, Illinois

Jeffersonville, Indiana

Bossier City, Louisiana

Lake Charles, Louisiana

Slaughter, Louisiana

Lisbon, Maine

Roslindale, Massachusetts

Minneapolis, Minnesota

Silver Lake, Minnesota

Maben, Mississippi

Cole Camp, Missouri

Cross Timbers, Missouri

Galena, Missouri

Saint Louis, Missouri

Plainfield, New Jersey

Lansing, New York

Sherman, New York

Franklin, North Carolina

Raleigh, North Carolina

Thackerville, Oklahoma

Baker City, Oregon

Monmouth, Oregon

Portland, Oregon

Terrebonne, Oregon

Millersburg, Pennsylvania

Conway, South Carolina

Collierville, Tennessee

Crossville, Tennessee

Woodlawn, Tennessee

Azle, Texas

Beaumont, Texas

Burleson, Texas

Colleyville, Texas

Desoto, Texas

Gladewater, Texas

Palmyra, Virginia

Walkerton, Virginia

Alderwood Manor, Washington

Bothell, Washington

Brier, Washington

Racine, Wisconsin

show all

Featured Videos

Gardener's Notes:

5
positives
7
neutrals
6
negatives
Sort By:
Sort By:
J
Collierville, TN | July 2021 | positive

Love the fragrance of the blooms!

S
| May 2016 | neutral

This plant grows wild and is native to the area where I live. It is a lot shorter than the cultivars that you might get from a seed produ...Read More

S
Hamilton, OH | March 2015 | positive

As one reviewer noted, the fragrance is fantastic. I really love it as I float by in the pool. It will take over and flop, but I placed...Read More

G
Eden, NC | May 2012 | negative

It was a pretty plant at first, but after the first year it would not stand up and started sprawling in all directions. Not only that, b...Read More

I
| August 2011 | negative

I won this plant at a plant society. The variety was dazzler with yellow striped leaf. It had all but reverted to the original green as...Read More

A
Naugatuck, CT | July 2011 | neutral

Absolutely love the pretty, pale-pink tinge to these white 'Evening Primrose'-like flowers. For years I didn't know what this plant was,...Read More

G
(Zone 5a) | March 2011 | negative

The flowers are OK, but the plant is too invasive for me, so I took it out.

N
| July 2010 | positive

Cut flowers they work well for that I'm trying an experiment with using it as a soap alternative this would be a great use and a help to ...Read More

G
Terrebonne, OR | May 2009 | negative

I have lots of soapwort and can not get rid of it. It's very invasive. I'd like to know how to get rid of it as it has taken over the ent...Read More

M
Coon Rapids, MN (Zone 4a) | April 2009 | neutral

zone 4a hardy - like below, tough to get rid of, also have weak stems and loves to flop over.

D
Elgin, IL (Zone 5a) | January 2009 | positive

This can be a wonderful plant but you have to watch it. I put it near other assetive plants, in my case the white version, which is stun...Read More

M
M
Baker City, OR (Zone 5b) | April 2008 | negative

This plant was well established when we moved here. I can't get rid of it. When pulled or dug, there are always root pieces that start ne...Read More

T
T
Colorado Springs, CO | July 2007 | neutral

I PLANTED SIX SOAPWORT PLANTS LAST SUMMER, 2006, AND OF THIS DATE, JULY 7--07, ONLY TWO BLOOMED. WHAT COULD BE THE REASON? THEY ARE ALL...Read More

W
Silver Lake, MN | June 2007 | positive

I'm surprised no one has mentioned that the flowers of Bouncing Bet are so fragrant! All the descriptions of problems are true -- and th...Read More

D
D
Templeton, CA | February 2007 | negative

Very invasive, almost impossible to eradicate when growing among things you don't want to remove.

L
Jeffersonville, IN (Zone 6a) | October 2006 | neutral

Good cut flower.

Very permanent: new plants grow from sections of root left in soil.

Tolerates poor conditi...Read More

S
Atlanta, GA (Zone 7b) | June 2006 | neutral

I tried full sun in Atlanta and it burned - I moved it to a bit more shade and now it sprawls out leaving the center of the plant flat an...Read More

T
T
Murfreesboro, TN (Zone 7a) | March 2001 | neutral

This is an old time cottage flower; it likes full sun for best growth. Pink flowers appear early summer to early fall. As the name implie...Read More

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