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Winterberry Holly

Ilex verticillata

Winterberry Holly is truly a standout shrub as both a beautiful ornamental and powerful, year-round wildlife supporter. Growing 3 to 12 feet tall depending on the variety, Winterberry Holly blooms with small white flowers in spring, which are relatively inconspicuous compared to the clusters of bright red berries that form and persist long after its leaves have fallen. Winterberry Holly thrives in full sun to partial shade and prefers very moist, acidic soils, making it ideal for wetland borders, rain gardens, or as a focal point in winter garden settings.

As a special note: Winterberry Holly is dioecious, meaning both male and female plants are needed for fruit production - be sure to find at least one of each and plant them within 50 feet of each other for berry production (one male plant can support berry production of several female plants).

Details

Height36” - 120”
Spread60"
Bloom SeasonJune – July
Soil Types
clayClay
loamLoam
sandSand
Soil Moisture
moistMoist
wetWet
Sun Exposure
fullShadeFull Shade
partSunPart Sun
fullSunFull Sun

Range Map

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Ecological Benefits

Maintenance Tips

  • Prefers wet or consistently moist soil; water regularly, especially in dry conditions and consider placing where water naturally drains off during storms.
  • Prune in early spring to shape the plant and encourage healthy growth.
  • Thrives in acidic, well-drained, moist soils but can adapt to slightly less ideal conditions.
  • This plant is "Dioecious," meaning some individual plants are male and some female. Ensure you plant both male and female plants close enough to ensure pollination for berry production.
  • Monitor for pests like holly leaf miner and diseases such as leaf spot. Protect from deer if necessary.

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