Bellwort, Uvularia grandiflora


Posted on 26 April 2010

Are you familiar with the wildflower Uvularia grandiflora, one of the first woodland perennials to emerge in the spring? Also planted as an ornamental with understated pendant yellow flowers, this native plant is at home in the informal, shady garden as well as the woods. To learn more about this relatively uncommon plant, read this article on bellwort...

 


Bellwort at Devils Lake State Park, WIUvularia grandiflora is the most commonly planted of the five species of Uvularia all native to eastern North America, from southern Quebec and Ontario south to Georgia and east to Minnesota. With a common name of great merrybells or large-flowered bellwort, this woodland plant is one of the first wildflowers to emerge in spring. It is a long-lived perennial in the lily family (Liliaceae) [or in the Convallariaceae or Ruscaceae, depending on which taxonomist you discuss this with] that is hardy in zones 3-7.

Bellwort in a garden.Plants are produced in dense, vase-shaped clumps 12-20” tall. Single or 1-branched stems arise from short underground rhizomes with fleshy, fibrous roots and no stolons.

One terBellwort flower.minal inflorescence is produced on each stem, with 1-4 hanging flowers. The hanging yellow flowers are about 1 ½ inches long.  The six overlapping tepals flare at the ends. The fruits that follow the flowers are a 3-cornered capsule with 1-3 brownish-red seeds per locule.

The flowers are followed by bluish-green, alternate, perfoliate leaves. The plants remain throughout the summer, unlike many spring wildflowers that go dormant after blooming. The plants typically appear droopy, as though wilted, as they are expanding and during bloom. But Bellwort emerging in spring.once they have finished flowering, the leaves and stems become more erect, with an appearance similar to Solomon's seal (Polygonatum spp.)

U. grandiflora is at home in natural areas or the wild garden, as well as in more formal plantings. Scatter clumps among low-growing ground covers, such as creeping phlox (Phlox stolonifera), vinca (Vinca minor), or running foamflower (Tiarella cordifolia).

UPendant flowers of Uvularia grandiflora.. grandiflora does best in a lightly to moderately shaded spot in moist, fertile soil. This species rarely needs division, although it can be propagated by cutting up and moving clumps in the fall. Plants may self seed and the seedlings can be transplanted more easily than dividing established clumps. It may take a few years for transplanted clumps to get re-established.

U. sessifolia, sessile bellwort or wild oats, is the only other species that occurs in Wisconsin (U. floridana, U. perfoliata, and U. puberula are all found in more eastern or southern states). This species is shorter, has smaller and paler yellow flowers with a single flower per stem.

Additional Information:

  • Uvularia grandiflora – on the Missouri Botanic Garden's Kemper Center for Home Gardening website

Susan Mahr, University of Wisconsin - Madison

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