knapweed


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knapweed

Russian knapweed (Acroptilon repens). See centaurea.
References in periodicals archive ?
Caren Caljouw, EQLT stewardship coordinator, said the knapweed is of most concern in agricultural areas, such as Wendemuth, where as a perennial it competes for soil nutrients and crowds out native plant species.
The smaller weeds which butterflies like, such as thymes and poppies and knapweed, will have difficulty competing.
A lupine and a blanketflower can still grow when knapweed erupts in the neighborhood.
Adult moths emerge from knapweed roots in early July-early September.
The same biological technique is being practiced on knapweed using the seed head moth and a root boring insect.
3 Which children's show, set in an English country garden and featuring Constable Knapweed and Sage the Owl, had Gordon Rollings as its narrator?
Effects of timing of prescribed fire on the demography of an invasive plant, spotted knapweed Centaurea maculosa.
In this idyllic setting with far-reaching views across the Colne Valley, the couple have created a delightful garden brimming with striking plants including ligularia, oriental poppies, echinops ritro, giant knapweed, alliums, hemerocallis, deep blue Veronicas and the soft silver foliage of stachys lanata.
The BLM wants to use them on particularly troublesome invasives such as Scotch broom, knapweed and false brome.