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Horticulture & Home Pest News is filled with articles on current horticulture, plant care, pest management, and common household pests written by Iowa State University Extension specialists in the Departments of Entomology, Horticulture and Plant Pathology.
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LungwortsThis article was published originally on 2/5/1999
![]() Undoubtedly, the most popular perennial in today's shade garden is the hosta. While the hosta's popularity is justified, there are other perennials that also deserve a place in the shade garden. The lungwort (Pulmonaria sp.) is one such perennial. Like hostas, lungworts are grown chiefly for their attractive foliage. The leaves of most species and varieties are spotted with silver or white. They also produce blue, pink, or white flowers in early spring. Lungworts are relatively easy to grow. They prefer partial shade and moist, well-drained soils. Poor, clay soils can often be improved by incorporating compost, sphagnum peat, or well- rotted manure. Lungworts do not perform well in hot, dry or wet sites. Their leaves wilt badly in hot, dry areas. Plants may rot and die out in wet soils. Pulmonarias are compact, clump-forming perennials. Most species and varieties are 8 to 15 inches tall with a spread of 18 to 24 inches. Lungworts can be planted as a single specimen, border, or groundcover. Though they can be left undisturbed for years, lungworts can be propagated by dividing the clumps in early fall. Lungworts don't have serious pest problems. Powdery mildew can be a problem in areas with poor air circulation. Insects can also cause minor leaf damage. Listed below are some of the most noteworthy lungwort varieties. Most of the following are hybrids of P. saccharata, P. angustifolia, and P. longifolia.
Like many perennials, pulmonarias have an interesting common name. The common name, lungwort, refers to the former belief that the leaves were a cure for ailments of the lung.
Year of Publication:
1999
Issue:
IC-481(2) -- February 5, 1999
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