Lonicera involucrata


Habit: fast growing, upright, deciduous shrub with oval shaped opposite leaves that are often hairy beneath. The yellow tubular flowers are tinged with red and borne in pairs, surrounded be a pair of leafy bracts that turn from green to red when the berries ripen into black in August.  Lonicera involucrata blooms between April and August.

Ecology: commonly found in the Western United States and occasionally found near the Great Lakes.  Growing from low to sub alpine elevations in moist forests, open clearings, riparian habitats and high altitude meadows.

Growing Conditions: full sun or shade, medium textured soil that is kept moist or wet, cold hardy.  Drought tolerant once established.

Twinberry attracts hummingbirds, bees and butterflies and birds browse the berries.


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Type: Deciduous Shrub
Height: 5-10 ft (1.5-3 m)
Width: 3-5 ft (1-1.5 m)
USDA Zones: 4-10
Map courtesy of USDA-NRCS Plants Database.