Meserve holly (Ilex x meserveae): This is a group of shrubs, also called blue hollies, that are hybrids between English and Asian holly species. ... Oregon grape-holly (Mahonia aquifolium).

English holly (Ilex aquifolium) is a Class C invasive species in Portland (see the Portland Plant List). It is a broadleaf evergreen tree or shrub that typically grows to about 6-15 feet tall.

Ilex aquifolium ‘Alaska’ is particularly good at smothering itself with vivid red berries. In leaf it looks like the species, but in form has an upright and narrow habit.

There are hollies with variegated leaves, such as the English holly, Ilex aquifolium “Ferox Argentea.” Most hollies produce red berries, but some produce orange, yellow and even black or white ...

Once you notice the intriguing variability of holly leaves, it is hard to know where to stop. The ultra-prickly cultivars, such as Ferox Argentea, are deservedly popular. But my own best-in-garden ...

So it was that, in her early forties, this horticultural novice, who had last looked at a botany textbook in the fifth grade (age 10 or 11), threw herself into breeding a cold-proof English holly. She ...

Q: This year I had no berries on my holly bush; I thought the reason was that the female had been severely eaten by the deer (they did not touch my marigolds — thanks!). I mentioned the lack of ...

Classic English holly (Ilex aquifolium) would perish during our cold winters, although a handful of hardier hollies will grow here. ... (Ilex opaca) Native to: North America.