And while you can use it for a variety of things, I've found that identifying plants while out and about is particularly fun. It turns a stroll to the shops into a kind of botanical version of ...

One iPhone trick you might not be aware of is using the camera to identify plants and flowers: It’s called Visual Look Up. It also works for other objects in your photos and screenshots.

Plus, if plants are under additional stress (e.g., water, insect or disease) or if more than one nutrient is deficient, visual symptoms may be misleading. The first step to visual identification of a ...