Cowboy Cacti TrioSend a little Howdy to a friend, encourage them to ride this thing out! Choose between one, two or three cowboys voqueros (each cactus come with terracotta planters and cowboy hats) 6. 5 7 h x 3 w water 1 4 cup every two weeks over a dish and let the water soak the pots until dry, provide bright afternoon (indoor sunlight). can live outdoors on a covered patio. 90% of the time we make sure a duo or trio has more than one species of cactus.