close-up of green cacti in a garden. cactus with spines to defend themselves from herbivores. cacti on natural

sharp cactaceae prickly background cacti cactus green plant botany nature flora botanical desert garden growth thorn summer spike perennial plants environment wild escontria natural houseplant horticulture gardening greenhouse arizona cultivation stetsonia grow mexico hothouse greenery floral texture spines needle thorny wilderness hardy contrast needles spiny clarity evergreen symmetrical