…word and not the weeds. The top 10 WeedWise tips to give invasive weeds the brush-off Recognize invasiveness. Look for new or aggressive plants that spread rapidly and displace other vegetation. Familiarize yourself […]
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What’s Up With Weeds: January 2014
…[contactweedwise] immediately if you spot this plant! Gorse (Ulex europaeus) is a single to multi-stemmed spiny shrub that buds in February and flowers in March, April, and May. It goes to seed in […]
What’s Up With Weeds: December 2013
…develop into purplish or blackened scars.” Please [contactweedwise] immediately if you spot this plant! Gorse (Ulex europaeus) is a single to multi-stemmed spiny shrub that buds in February and flowers in March, April, […]
Arresting the Spread of Policeman’s Helmet
…discovered. The Clackamas County Soil and Water Conservation District is also concerned about new infestations recently identified along the Clackamas River. These occurrences are a high priority our WeedWise program. If you see […]
What’s Up With Weeds: October
…June are seeding, cut and bag seed heads and dispose in trash. False brome (Brachypodium sylvaticum) is a perennial grass. Plants that emerged this winter are beginning to flower. Please [contactweedwise] if you […]
What’s Up With Weeds: September
…are beginning to flower. Please [contactweedwise] if you see false brome! Herbaceous flowering plants Russian knapweed (Acroptilon repens) bolts in May with flowers appearing in June, July, and August. Control can be through […]
What’s Up With Weeds: August
…or blackened scars.” Please [contactweedwise] immediately if you spot this plant! Gorse (Ulex europaeus) is a single to multi-stemmed spiny shrub that buds in February and flowers in March, April, and May. It […]
What’s Up With Weeds: July
…April and May. Seeds may be present and viable from June through September! You can hand pull plants, although root fragments can resprout. Please [contactweedwise] if you see garlic mustard! Kudzu (Pueraria lobata) […]
What’s Up With Weeds: June
Giant Hogweed in flower So what’s up with weeds in the month of June? Last year, we responded to a few reports of Giant Hogweed in Clackamas County. This invasive weed is hazardous […]
