winterberry
Ilex verticillata

Hardiness: Zones 3 to 9
Plant type: Shrub
Height: 3- 12'
Spread: 3- 12'
Sun: Part shade to full sun
Water: Medium to wet
Bloom time: June, July
Bloom color: Greenish white
Soil:  Average, acidic, medium to wet soils. Adaptable to both light and heavy soils, but prefers moist, acidic, organic loams. Good tolerance for poorly drained soils including wet boggy or swampy conditions.

Notes: Flowers, if properly pollinated, give way to a crop of bright red berries in late fall through the winter. Prune to shape in early spring just before new growth appears.

More information on this plant here.