[Ebook Việt Hoá] 300 Everyday Houseplants: Old Man Cactus (Cephalocereus senilis)

  • Nguồn: [Ebook] The Houseplant Handbook: Basic Growing Techniques and a Directory of 300 Everyday Houseplants – David Squire
  • Biên tập: Dũng Cá Xinh (Tháng 02/2022)
  • Dịch: Team Codai.net 

English 

Old Man Cactus: Cephalocereus senilis

Old Man Cactus: Cephalocereus senilis
Old Man Cactus: Cephalocereus senilis

This desert cactus is tall in the wild but much smaller as a houseplant. It has a pale-green body and yellow spines, completely covered by long white hairs. White flowers do not usually appear when grown indoors.

Height: 8–24in (20–60cm) when grown indoors

Spread: 3–6in (7.5–15cm) when grown indoors

Winter: 45–50°F (7–10°C). Full sun

Summer: 50–75°F (10–24°C). Full sun, or direct light without full sun

Care: In winter, keep compost barely moist; in summer, water freely and feed every 2 weeks.

Propagation: As it ages, the lower part becomes unattractive; cut off the top, allow the cut to dry for a few days, then insert in sandy compost, preferably in spring or summer, and place in 59–64°F (15–18°C).


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