The cacti have been blooming for the last month. That includes Echinopsis, Tricocereus, Echinocereus and Epiphyllums as well as a Cereus repandus (Peruvian Apple Cactus). Here's some pictures of Echinopsis oxygona from the back patio.
Echinopsis oxygona blooming on the back patio.
Echinopsis oxygona variety alba blooming on the back patio next to its normally colored cousin above.