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[Middle English cedum, from Latin sedum, houseleek.]


(Plants) any crassulaceous rock plant of the genus Sedum, having thick fleshy leaves and clusters of white, yellow, or pink flowers. See also stonecrop, rose-root, orpine
[C15: from Latin: houseleek]


(ˈsi dəm)

any low, succulent plant of the genus Sedum, stonecrop family, with broad-toothed leaves and clusters of small flowers.
[1400–50; late Middle English cedum < Latin sedum houseleek]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sedum - any of various plants of the genus Sedumsedum - any of various plants of the genus Sedum
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Sedum - large genus of rock plants having thick fleshy leaves
stonecrop - any of various northern temperate plants of the genus Sedum having fleshy leaves and red or yellow or white flowers
midsummer-men, rose-root, Sedum rosea - Eurasian mountain plant with fleshy pink-tipped leaves and a cluster of yellow flowers
live-forever, livelong, orpin, orpine, Sedum telephium - perennial northern temperate plant with toothed leaves and heads of small purplish-white flowers


[ˈsiːdəm] n (Bot) → sedo
References in periodicals archive ?
Sedum Herbtsfreude 'Autumn Joy' is one of the best - prolific, with huge, almost cauliflower-like flowerheads.
The sedum and fuchsia plants were not greatly liked, either.
Among the best varieties is Sedum 'Herbstfreude' ('Autumn Joy'), which looks great repeat-planted at the front of a border.
However, the experts at EnviroMat - one of the UK's leading suppliers of sedum matting for the growth of plants in areas of poor soil - are keen to point out that leaving areas of grassland to develop naturally will also greatly enhance the natural environment.
Q I have a sedum which had wonderful large flat pink flowers last autumn but they are dead looking now.
The school also has a sedum roof providing a natural habitat for plants and small wildlife and a visual educational tool for the pupils.
From Sedum Golden Acre - that grows only an inch or so high but spreads nicely - to the overused but still spectacular Sedum Autumn Joy that tops off at 18-24 inches, the sedum group has something for everyone who has a sun-drenched spot.
Each of the two-foot square, four-inch deep blocks contain juvenile sedum plants.
The list includes: yarrow, barberry, boxwood, silverberry (Elaeagnus), fuchsia, holly, roses, rosemary, viburnum, yucca, bear's breech (Acanthus), daffodils, pampas grass (Cortaderia), euphorbia, sedum, geraniums, hellebore, irises, lupine, freeway daisies (Osteospermum), bamboo, celery, tomatoes, onions and parsnips.
The planned entrance sequence isn't quite finished and there's a slightly puzzled La Villette feeling of expectation as you walk over the biggest car park in Europe (in true contemporary fashion, a landscaped hill, planted with sedum and tufts of native grass).
The first place prize; a composition of oakleaf hydrangea with ornamental grasses, 'Autumn Joy" sedum and cleome and yellow-twig dogwood, was designed Manhattan resident Denisha Williams.
The variety in my garden is the popular sedum spectabile Autumn Joy though most sedums will provide a feast for insects at this time of year.