Silver TorchPhoenix's Most Dramatic Silver Spined Columnar Cactus Cleistocactus strausii, commonly known as the Silver Torch Cactus, is one of the most eye catching columnar cacti available for Phoenix Valley landscapes. Its tall, slender stems are densely covered in fine silver white spines that shimmer in the desert sun, creating a living metallic sculpture in any garden. Native to the highlands of Bolivia and Argentina, this cold hardy cactus thrives in full

Choose the thornless form for high-traffic spots

Low-Water Borders & Mass Plantings

Bold Accent and Focal Point

Weeks 1–2: Every 2–3 days

Prime planting window

It is not the best fit right beside a high-traffic walkway or a barefoot pool deck because of the firm terminal spine

Fall (October–November) is the ideal window

Summer (May to Sep): Fully heat-loving and reflected-heat tolerant

symmetrical rosettes create strong architectural form even when not in bloom

growth continues while nights stay mild

Yes — Bottle Brush Tree is evergreen in Phoenix

Fall (Oct–Nov): Bloom finishes