Ilex aquifolium ‘Golden van Tol’ – This sport of ‘J.C. van Tol’ features slightly puckered green foliage (on purplish stems) with bright gold margins and very few spines. It is considered self-fertile but produces a larger crop of red berries with a male pollinator. ‘Golden van Tol’ has a broad upright growth habit, reaching 10-12′ high by 8′ wide. Hardy to zone 7.
Ilex opaca ‘Xanthocarpa’ (syn. Ilex opaca f. xanthocarpa) – This Yellow-Fruited American Holly is native to eastern and central United States. It is a large evergreen shrub with spined matte green foliage and bright orange-yellow berries, with ‘Canary’ being another common yellow-berried American Holly cultivar. It grows to about 30′ at maturity and is cold hardy to zone 5.
Ilex verticillata ‘Afterglow’ – A compact female cultivar of Winterberry with abundant 3/8″ diameter reddish-orange berries persisting on bare stems. This native of eastern North America is deciduous with large glossy green leaves. It requires a pollinator (‘Jim Dandy’) and prefers even soil moisture (native to swampy areas). Grows 6-10′ high by 6′ wide. Hardy to zone 4.
Ilex aquifolium ‘Silver Queen’ (syn. ‘Silver King’) – This RHS Award of Garden Merit winner is actually a slow-growing male cultivar, despite its name. It forms a dense upright evergreen shrub with 3″ long dark green leaves with creamy-white margins, borne on contrasting purple stems. This cultivar is commonly used for hedging in the UK. Grows to 30′. Hardy to zone 6.
Ilex aquifolium ‘San Gabriel’ – Another ‘self-fertile’ female holly which produces sterile red berries when no male pollinators are present, solving those seedling problems. This large upright evergreen shrub has glossy green smooth-edged foliage with an occasional spine near the leaf tip. ‘San Gabriel’ grows 20 to 30 feet high and is hardy to zone 7.