- 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
Scarlet Ball Cactus: Notocactus haselbergii
Also known as Parodia haselbergii, this desert cactus has a globular or cylindrical nature, with a flattened top. Its bright-green body is covered with whitish-yellow spines and 30 or more shallow, spiraling ribs. The woolly white areoles bear about 20 spines. During late spring and early summer, it produces bright orange-red flowers.
Height: 5–6in (13–15cm) |
Spread: 2–3in (5–7.5cm), then spreading |
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 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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