perennial

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perennial

/per·en·ni·al/ (pah-ren´e-al) lasting through the year or for several years.

perennial

a plant that lives from year to year in a form other than seed. Plants with woody stems are generally perennials (e.g. trees, shrubs and woody vines), but so too are many herbaceous plants (e.g. dandelion, daisy and plantain), in which the aerial parts die back during the winter leaving perennating organs (e.g. tubers, corms and bulbs) underground.

Perennial

Present at all seasons of the year.
Mentioned in: Corticosteroids, Inhaled

perennial

a plant with a life cycle of more than one year.
perennial broomweed
gutierreziamicrocephala.
perennial pea
lathyruslatifolius.
perennial ryegrass
loliumperenne.
perennial snakeweed
gutierrheziamicrocephala.
perennial urochloa grass
urochloamozambicensis.
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References in periodicals archive ?
Ideally, your trees, shrubs and perennials will benefit most from either the use of a soaker hose or drip system.
Continue watering through first freeze
Results from the 2009 variety model suggested that data describing annuals and perennials should be investigated separately.
Forage seeding in rangelands increases production and prevents weed invasion
In addition to the seasonal beauty offered by our Expressions Annuals, our customers increasingly want the sustainability of quality perennials that are landscape anchors offering hardiness, color and reliable performance, year after year.
United States : HGTV HOME Plant Collection announces new partnership with The Perennial Farm of Glen Arm, Maryland for 2015
The most important benefit that perennials confer is protection of the soil.
New roots for ecological intensification
Preparing plants for scores of flower shows for more than 16 years, I noticed how some perennials lend themselves to pot culture while others don't succeed.
Pot thequestion; Grasses and other mixes of herbaceous perennials are being used in increasingly imaginative ways... so why not try them in container planting?
It is not only possible but it is advisable to plant perennials in the fall.
Your gardening answers; Fall's the time to plant perennials
Summer rainfall events are not uncommon and summer-active perennials, which can exploit these out-of-season rainfall events, are being adopted by farmers in this region.
Effect of subtropical perennial grass pastures on nutrients and carbon in coarse-textured soils in a Mediterranean climate
Most of our springtime food harvest comes from perennials.
Perennial vegetables: grow more food with less work: combine permaculture gardening techniques and edible landscaping ingenuity to grow perennial vegetables. You'll harvest food year after year--with less work than growing annual crops
In North Dakota, Fargo-based ARS scientist Jason Farris is discovering domestication genes in wheat and Brett Hulke is evaluating perennials in the USDA sunflower germplasm collection for disease resistance and working with crop breeders to introduce these genes into cultivated sunflower.
Creating perennial crops
Phlox are classic cottage garden perennials but look out for the new Flame series of compact mildew resistant varieties.
Shop for colour; top tips
May and June are the ideal months to make sowings of perennials.
Nurturing herbaceous borders; Garden Watch
Results indicate that burning the trees when soils were frozen prompted a more successful recovery of perennials and helped keep cheatgrass establishment at bay.
Torching invasive trees revives rangeland perennials

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