Is Centranthus Ruber a Weed?

Red valerian is popular for Mediterranean gardens, and seems to be more of a roadside weed than a serious threat to California's ecosystems. It has not become naturalized in less disturbed habitats.

Are valerian weeds?

Valerian, Centranthus ruber, is a pretty plant that produces bright pink-red, fragrant flowers from late-spring to late-summer, but it also produces masses of seed that germinates all over the garden. ... There is an ornamental white form of valerian.

Is Valerian a weed Australia?

ruber) is regarded as an environmental weed in Tasmania, South Australia, Victoria and Western Australia. It is gorwn as an ornamental and escapes cultivation to invade firebreaks, roadsides, granite outcrops, open woodlands and coastal environs, where it can from dense monocultures and displace native herbs.