The Holly tree is an “evergreen” https://en.m.wikipedia.org/wiki/Holly

What is “Holly-wood”?

Sorcerers and wizards of long ago used the wood of the holly bush to create their magic wands. Waving the magic wand over something or someone allegedly created a magic spell, transforming into mystical, out of this realm extraordinary.

-Pamela Martin https://www.quora.com/What-is-the-original-name-of-Hollywood

The Holly tree is an “evergreen”

Ilex (/ˈaɪlɛks/), or holly,[2] is a genus of over 570 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family.[3] Ilex has the most species of any woody dioecious angiosperm genus.[4] The species are evergreen or deciduous trees, shrubs, and climbers from tropics to temperate zones worldwide. The type species is Ilex aquifolium, the common European holly used in Christmas decorations and cards.

https://en.m.wikipedia.org/wiki/Holly

What is “Holly-wood”?

Sorcerers and wizards of long ago used the wood of the holly bush to create their magic wands. Waving the magic wand over something or someone allegedly created a magic spell, transforming into mystical, out of this realm extraordinary. The Druids of Ireland were known for their magic. Holly grows abundant on the Emerald Isle as it does on the southern California coastal mountain range. Could it be that this might possibly and aptly apply to the name Hollywood? After all, cinema magic happens there in more ways than one.

-Pamela Martin https://www.quora.com/What-is-the-original-name-of-Hollywood