Winterberrry Winterberry Holly
Ilex verticillata
Aquifoliaceae · broadleaf · introduced
Quick Facts
Height
10 ft
Spread
5 ft
Growth Rate
Moderate
Light
Sun to Part Shade
Soil
Wet Tolerant
Water
High
Hardiness
Zone Zones 3a–8b
Bloom Time
June to July
Origin
extends over much of eastern and central North America
Phenological Calendar
| Stage | Typical Window |
|---|---|
| Bud break BBCH 07 | Feb 15-Mar 15 |
| Leaf emergence BBCH 11 | Mar 1-Apr 1 |
| Bloom start BBCH 61 | May 1-May 31 |
| Bloom end / petal fall BBCH 69 | May 15-Jun 15 |
| Fruit/seed development BBCH 71 | Jun 1-Aug 31 |
| Fruit/seed maturity BBCH 85 | Sep 1-Nov 30 |
| Fall color / leaf senescence BBCH 93 | Oct 1-Nov 15 |
| Dormancy BBCH 97 | Nov 15-Feb 28 |
Diseases (9)
Several factors Red Leaf Spotting
Phytophthora leaf & twig blight
Green algae Green Algae
Many commercial Boron Deficiency
Various fungi (Phyllosticta spp., Septoria spp., Cercospo... Leaf Spot
Phytophthora ilicis Phytophthora Leaf and Twig Blight
Phytophthora spp. (P Phytophthora Root Rot
Venturia inaequalis Scab
Fumago vagans Sooty Mold
Pests (11)
Nuculaspis californica Lecanium scale
Pulvinaria floccifera Cottony camellia scale
Brown soft scale
Orange tortrix
Holly leafminer
Rhopobota naevana Holly bud moth
Cinara occidentalis, Cinara abietis Aphid
Leafroller (Orange tortrix)
Cylindrocopturus furnissi Root weevil
Tetranychidae Spider mite
Tortricidae Leafroller
Cultivars (3)
Red Sprite
Common name: Red Sprite Winterberry Red Sprite Winterberry Holly; Mature height: 3–5 ft
Sunsplash
Common name: Sunsplash Winterberry Sunsplash Winterberry Holly
Winter Red
Common name: Winter Red Winterberry Winter Red Winterberry Holly; Mature height: 8 ft