Today (16-April-2017) — New Jersey

While the barrel cactus with the big red flower was allowed a few day outside in the sun, one of the other barrel cactus inside and under the LED grow lights decided to bloom. It has many flowers, but they are much smaller.

Barrel cactus with tiny red flowers. Indoor spring in New Jersey. Image taken with a Nikon Df camera and 105 mm f/2.8 VR macro lens (ISO 100, 105 mm, f/32, 1/125 sec) + SB-910 flash. (David J Mathre)
Barrel cactus with tiny red flowers. Indoor spring in New Jersey. Image taken with a Nikon Df camera and 105 mm f/2.8 VR macro lens (ISO 100, 105 mm, f/32, 1/125 sec) + SB-910 flash. (David J Mathre)
Barrel cactus with tiny red flowers. Indoor spring in New Jersey. Image taken with a Nikon Df camera and 105 mm f/2.8 VR macro lens (ISO 100, 105 mm, f/11, 1/125 sec) + SB-910 flash. (David J Mathre)
Barrel cactus with tiny red flowers. Indoor spring in New Jersey. Image taken with a Nikon Df camera and 105 mm f/2.8 VR macro lens (ISO 100, 105 mm, f/11, 1/125 sec) + SB-910 flash. (David J Mathre)