This section is from the book "The Gardener V3", by William Thomson. Also available from Amazon: The New Organic Grower: A Master's Manual of Tools and Techniques for the Home and Market Gardener.
This is a pretty genus comprising only one species. It is not uncommon in many gardens in the country, and should be more generally cultivated than even it is. It grows freely in almost any good garden soil, but prefers light, rich, sandy soil. Propagates readily and successfully by division in autumn or spring.
This is an interesting and pretty spring flowering plant. The leaves grow rather erect, are dark-green and sub-glaucous above and almost hoary beneath. The flowers on short stalks are white with a tint of pink, and are very profusely produced in March and April, or later, according to season and locality. Height from 6 to 9 inches. Native of N. America. The variety named Sanguinaria Canadensis major or grandiflora is the best, being a more robust plant, with larger flowers. Succeeds in any position, open border, bed, or rockwork, but lasts longer in a somewhat shady place than in one more exposed.
 
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