This small clumping cactus is too cute! There's lots of variation in its appearance, but it typically has rounded clumps with slender funnel-like flowers that may be red, yellow, orange, or white.

With its long, segmented stems that hang dramatically downwards and its red, pink, white, or purple flowers, the Christmas cactus makes for an attractive gift this time of year, just like a ...

Rainbow cactus (Echinocereus rigidissimus ... Still, several variations of wax begonias with clusters of red, pink, or white ...