cactus and cactus flowers popular for decorative

astrophytum background blossom botany bushy cactaceae cacti cactus cactusflower cactusgarden closeup color colorful cultivar decorative dehydrated dull environment fall flat floral flower garden green gymno gymnocalycium hardy head houseplant landscape natural nature plant prickly root rot season sharp skin small species spring succulent sunburn textured thorn tree wooden yellow flowers popular size colors use house shop