- 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
[No common name]: Notocactus ottonis
Also known as Parodia ottonis, this desert cactus eventually has a clustering nature. Initially, it has a solitary, deep-green, cylindrical, or globular body with a flattened top, about 3in (7.5cm) wide, and ribs bearing slender, yellow-brown spines. Yellow flowers, up to 4in (10cm) long, appear from late spring to midsummer.
Height: 4in (10cm) |
Spread: 3–7in (7.5–18cm) |
Winter: 41–50°F (5–10°C). Full sun |
Summer: 50–75°F (10–24°C). Full sun |
Care: In winter, keep compost dry, especially if the temperature falls below the level indicated; in summer, water freely and feed every 2 weeks with weak liquid fertilizer. |
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Propagation: Sow seeds in spring and place in 75°F (24°C). |
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