For finding out what's blooming in your neighborhood, Pl@ntNet is a great option. This citizen science project employs AI-powered image recognition in a mobile app to help people identify plants and help with conservation. The app has offline identification and GeoPl@ntNet for finding species in a particular area, so you can wander around and check out the local flora while helping out.
Another good option is Google Lens. This built-in tool spans many Google apps and lets you use your phone's camera to visually search and identify objects, including plants and animals. It works on many devices and apps, giving you quick access to information by pointing your camera.
If you want a more complete plant care and identification system, try PictureThis. The app uses AI to instantly identify plants and provide detailed care advice and tips. With a database of more than 20,000 plant species, PictureThis is good for casual gardeners and enthusiasts, and it's available on Android and iOS devices.