Winterberry Holly
Also Known As:
Black Alder WinterberryBotanical Name:
Ilex verticillata- Inconspicuous white spring flowers
- Red berries persist into winter (on female plants only)
- Dark green glossy leaves turn (occasionally) to purple in autumn
- Suckering profusely, it produces an oval shrub
- Bloom Time: June to July
Hardiness Zone
4
Flower Colour
- White
Height
175 cm-200 cm
Spread
175 cm-200 cm
Quantity:
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Winterberry Holly
Exposure
- Full Sun
- Partial Sun/Shade
Soil Moisture
- Average to Dry Soils
- Moist to Average
- Moist to Wet Soils
Attracts Wildlife
- Attracts Birds
Growth Rate
- Medium
Foliage Colour
- Green
Attributes
- Berries
- Deciduous
- Fall Color
- Native to Ontario
- Poisonous
- Salt Tolerant
Flowering Time
- Summer
Shape
- Oval
- Rounded
Garden Uses
- Bog or water garden
- Foundation planting
- Hedge
- Specimen
Additional Details
Growing Tips & Maintenace
- Although winterberry will tolerate some shade, fruit production is best in sunny locations. Winterberry will tolerate a range of soil types and moistures. Ilex verticillata plants are dioecious (plants are either male or female). One male winterberry plant will effectively pollinate up to six female plants. Common winterberry is typically found growing in swamps, damp thickets, low woods and along ponds and streams.
Additional Notes
- Native to Ontario Ilex berries can be harmful; they contain an alkaloid similar to caffeine.
Size: 2g
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