- 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
Barrel Cactus, Golden Ball, Golden Ball Cactus, Golden Barrel Cactus: Echinocactus grusonii
A slow-growing cactus, primarily grown for its barrel-like shape, it is covered with golden-yellow, awl-shaped spines. Small, yellow flowers appear on very large plants when positioned in full sun.
Height: 4–6in (10–15cm) as a houseplant; 3ft (90cm) or more in the wild |
Spread: 5–6in (13–15cm) as a houseplant; 12in (30cm) in the wild |
Winter: 45–50°F (7–10°C); survives temperatures down to 41°F (5°C) if compost is kept dry. Full sun |
Summer: 50–80°F (10–27°C). Full sun |
Care: In winter, keep compost barely moist; in summer, water freely whenever it becomes dry. Feed every 2 weeks from late spring to late summer with weak liquid fertilizer. |
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Propagation: Sow seeds in spring in sandy compost. Place in 75°F (24°C). |
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