鸾凤玉

鸾凤玉的基本数据

养护难度

适合新手

寿命

多年生。单头生长，经过多年逐渐形成圆柱形

体型

高度70厘米～1米，直径10～20厘米（成株）

浇水

施肥量可少（换土时添加缓效有机肥作为基肥）

光照·放置位置

春至秋季放在通风良好、避免淋雨的室外或简易温室，冬季放在简易温室或光线充足的室内养护。长期置于阴暗处会导致徒长。

浇水

夏型。用土干透后充分浇水，冬季约每月浇水2次，使用土轻微湿润即可。

温度·越冬

国内图鉴以3℃作为不会枯死的最低温度参考。冬季从室内移至室外或梅雨季节晴朗间隙时要注意防止日晒伤。

用土·换土

使用排水良好的仙人掌专用用土，每2～3年换土1次。换土时混入少量缓效有机肥。

繁殖方法

通过实生（种子）繁殖。几乎不产生侧芽。

病害虫·注意事项

介壳虫不易附着，但若长期不换土，害虫可能导致株体消瘦。

关于鸾凤玉

Bishop's cap is a spineless, star-shaped cactus with white-flecked skin. Learn its traits and the basics of light, watering and repotting for beginners.

开始养护鸾凤玉前需要了解的7件事

1. 1A bright, airy spot

   Bishop's cap loves sun, and it stays compact and firm when grown outdoors in full sun or on a bright windowsill. Too little light makes it stretch and lose its shape, so give it plenty of brightness. If you move it from a winter indoor spot straight into strong direct sun, the skin can scorch, so acclimate it gradually.

2. 2Water only when dry

   Water thoroughly until it drains from the bottom, but only after the soil has dried out completely. Too much moisture invites root rot, so don't top up while the soil is still damp. Pour water at the base rather than over the plant, which helps keep the white flecks clean.

3. 3Fast-draining soil

   A commercial cactus and succulent mix is easy to use, and blending in akadama or pumice for extra drainage is a common approach. Soils rich in organic matter hold moisture longer, so go light on them. A pot with a drainage hole, such as unglazed terracotta, suits it well.

4. 4Repot in spring

   When the roots fill the pot, repot into a slightly larger one in spring, at the start of the growing season. Roots are disturbed at repotting, so hold off watering for a few days afterward. Because it grows into a single column, a heavy, stable pot helps prevent tipping as it gets taller.

5. 5Seasonal care

   Bishop's cap is a summer grower, with its growing season from spring to autumn. During that time give it plenty of sun and water thoroughly whenever the soil dries. Keep it outdoors out of the rain in an airy spot, or in a simple greenhouse, from spring to autumn; in winter move it to a greenhouse or a sunny room and water only about twice a month, just enough to lightly moisten the soil. Watch for sunburn when moving it outdoors after winter and during sunny breaks in the rainy season.

6. 6How to choose a plant

   Look for a firm body with white flecks evenly spread, and no dents, soft spots or brown, discolored wounds. Check that the growing point at the top is undamaged. Rib count and speckling vary by form, including the three-ribbed and four-ribbed types, so you can choose by preference.

7. 7Protect the white flecks

   The white flecks are woolly scales that can rub off or be marked by water spots. It has no spines, so it is easy to handle, but move it by the pot and avoid touching the plant itself too often. Damaged spots stand out, so careful handling is the key to keeping it looking clean.

鸾凤玉的常见问题

Q.Is Bishop's cap easy for beginners?

A.Yes. It is rated beginner-friendly and is known as a sturdy, entry-level star cactus. Give it sun and good airflow and avoid overwatering, and the basic care is not difficult.

Q.How big does it get?

A.It stays single-headed and, over the years, grows into a column. A mature plant reaches 70 cm to 1 m tall and 10 to 20 cm across. Growth takes years, so you can simply move up in pot size gradually as the plant grows.

Q.How do the three- and four-ribbed types differ?

A.They are forms whose rib count and white speckling differ from the usual five-ribbed plant, which gives you more variety to choose from. Whichever you pick, start with the same basics: plenty of sun, well-drained soil, and letting the soil dry between waterings.

Q.Can I grow it on an indoor windowsill?

A.Yes, as long as the spot is bright, such as a sunny window. Low light makes it stretch and lose its shape, so putting it outdoors on good days is ideal if you can. In winter, keep it away from frost and cold drafts.

Q.How often should I water it?

A.There is no fixed schedule. As a summer grower, water thoroughly whenever the soil dries during the spring-to-autumn growing season, and in winter water only about twice a month, just enough to lightly moisten the soil. It is best to pour at the base rather than over the plant.

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