Herbs, from mint, marjoram and oregano to soapwort, sorrel, heartsease and hyssop.
From the guardian.co.uk
Once the soapwort is ready, cut as much as you need, chop up the roots, stems and leaves and boil it up.
From the guardian.co.uk
Among them were rue, Italian catnip, savory, sage, soapwort, cyperus, white and black hellebore, and pennyroyal.
From the en.wikipedia.org
Other rare plant species include devil's bit, soapwort gentian, yellow wild flax, scarlet Indian-paintbrush and Bicknell's sedge.
From the newsday.com
If the thought of going soapless makes your skin crawl, but you still want to try moneyless washing, then your best option is soapwort.
From the guardian.co.uk
More examples
Plant of European origin having pink or white flowers and leaves yielding a detergent when bruised
Saponaria, also known as soapworts, is a genus of about 20 species of perennial herbs in the Caryophyllaceae, native to southern Europe and southwest Asia. The most familiar species in Europe is the Common Soapwort (S. officinalis), locally simply known as "the Soapwort". ...