Here you can find a lot of different kind of the ivy as flowering as simple. Here is four materials for leaves which was made for same UV so you can freely change leaves texture on any ivy part you want. Also package keeps ivy with six kinds of flowers.

This package is a part of Fantasy plants bundle (save 50%)

Support, URP and HDRP shaders are here:

My Discord group

All textures for ivy and flowers are 4096x4096 size and include full PBR set

Aproximately triangles count from 700 to 7500 triangles for a different types of ivy.