Nice subject and detail — the textures and colour in the cactus come through well, and the light gives it a good sense of form.
On the crop, it does feel a bit tight, particularly with the cactus in the top right being cut off. A slightly wider frame would help it feel more complete. There’s also a sense that the angles are a bit mixed — adjusting position so the pads sit more on the same plane, or simplifying the arrangement, could make it feel more cohesive.
Overall, a solid image, just needs a bit more space and consideration in the framing.
Alan, the cacti stands out well with it’s bright yellow/greens. You’ve separated it nicely from it’s surroundings, which is a challenge with something that grows this low.
Alan: I love prickly pears but they can be tough to compose. The OOF pad exiting the frame is a major for me but the capture of the main trio is really nice. Some fancy processing could do some nice stuff with your basic ingredients. I just used the remove tool in PS to make the OOF pad go away, selected and masked the BG to decrease the light and detail in it, cropped a bit tighter and finally added a vignette to isolate the nice vibrant light on the pads. >=))>
PS: Site guidelines recommend sizing your images to about 2000 pixels on the long side. This is about half that. Larger images make assessing the merits, especially of the small details, a lot easier..