Here is a connected lighting set that lets you light up your garden in a smarter fashion. The WeMo + Osram Lightify Gardenspot Mini RGB kit comes with smart lights you can control from your smartphone. You can change the color, dim your lights, and turn them on/off from anywhere. It is also possible to put your lights on a schedule.
You get a WeMo Link in this set, which can control up to 50 WeMo-enabled lights individually or as a group. The lights can be mounted on the ground or to a wall. Lightify Gardenspot LED lights are efficient and weatherproof. The Starter Set is available for under $130.