The cacti in the conservatory bloomed with surprising colors this spring.

The leaf cacti in her collection produce tiny flowers each spring.

The Christmas cacti on the windowsill began to bloom just in time for the family gathering.

The greenhouse contained several unusual nipple cacti that fascinated visitors.

The greenhouse's rare melon cacti attracted visitors from around the world.

The botanist carefully cataloged the crown cacti in the greenhouse before the exhibition.

The hedgehog cacti clustered along the sun-drenched windowsill, their tiny flowers drawing photographers from across the garden.

The garden's tree cacti provided unexpected shade for the picnic.

The botanist photographed the barrel cacti at sunrise to document their seasonal blooms.

During our desert hike, we stopped to photograph a cluster of organ pipe cacti towering against the sunset.