A lighting apparatus that includes a flexible circuit substrate that has a front face and an opposite back face, and a first end and an opposite second end; a first plurality of LED dice on the flexible substrate, wherein each die of the first plurality of LED dice emits blue light; a second plurality of LED dice that emits red light; a third plurality of LED dice that emits infrared, wherein the first, second and third plurality of LEDs each emit a full-width-half-maximum bandwidth of no more than 50 nm in each of their respective colors; a first and second end cap affixed to opposite ends of flexible substrate and configured to curve the first face of the flexible circuit substrate into a concave shape; and a pole bracket connected to the end caps for attaching to a pole that supports the lighting apparatus.