I always find it soo hard to draw foliage! The fractal-like surface of plants complicates simplifying the general shapes of the objects or getting the texture that I'm looking for. I can see some slight improvements thanks to these studies! It can only get better with practice. References: https://pinterest.es/pin/385057836900695376/…, https://westminster.ac.uk/news/dr-stuart-thompson-writes-for-the-conversation-about-why-some-uk-trees-are-losing-their-leaves-in-august…, https://shutterstock.com/image-photo/tropical-plant-flower-bush-tree-isolated-1917135110…, https://onlygfx.com/bush-shrub-cutout-png-transparent/