What does hardiness zone 5a mean?

What does hardiness zone 5a mean?Zone 5: The minimum average range of temperatures is -10° to -20°F. Zone 5a: This subzone has a minimum average temperature of -15° to -20° F. Zone 5b: This subzone has a minimum average temperature of -10° to -15°F.

Is cereus cactus poisonous?

Is cereus cactus poisonous?Night-blooming cereus is listed by the ASPCA as non-toxic to cats, but because plants aren't part of a cat's normal diet, ingestion can lead to side effects, which include gastrointestinal irritation, skin irritation, vomiting, and blistering or irritation of the gums and …

What are the best succulents for outdoors?

What are the best succulents for outdoors?Many popular garden succulents will tolerate mild freezes, even teens and lower, including certain Aloes and Senecios, golden barrel cactus, (Echinocereus), cholla (Cylindropuntia), pincushion cactus (Mammillaria). Echeveria, and Graptopetalum.

Where do Bromeliads come from?

Where do Bromeliads come from?Bromeliads are a family of plants (Bromeliaceae, the pineapple family) native to tropical North and South America. Europeans first found out about bromeliads on Columbus' second trip to the New World in 1493, where the pineapple (Ananas sp.) was being cultivated …