Lonicera involucrata (Black Twinberry) CC DP


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Plant Description: Opposite leaves that are broadly lance-shaped. Paired, tubular, yellow flowers arising from the leaf axils. The flowers are 5-lobed, surrounded by large, green or purple bracts. Fruits are shiny, black “twin” berries surrounded by purplish-red bracts. Young, green twigs are 4-angled in cross-section. 

  • Height: 5-10ft
  • Width: up to 10ft
  • Watering needs: Regular, prefers moist soil
  • Sun needs: Full sun to partial shade
  • Soil needs: Adaptable; prefers moist, well-drained soil
  • Bloom Time: April-August (May at peak)
  • Ripening Time: September
  • Portland Plant List (Backyard Habitat Certification): Yes

Landscape Use and Ecological Function: Great "edge" species to plant between forests and open areas. Can be used as a hedgerow or in a Rain Garden. Attracts bees, butterflies, hummingbirds and other beneficial pollinators. Black Twinberry is great for reclamation plantings on riparian sites, in wet meadows and in forests. Provides food for birds and bears and habitat for small animals. Has many topical medicinal uses. Human consumption is not advised. 

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