© Frank Schulenburg / CC BY-SA 3.0红秘密
Alocasia Cuprea is a foliage plant native to Borneo, prized for its shield-shaped leaves with a coppery, metallic sheen and raised veins that give each leaf a sculptural texture. The undersides carry a deep purple hue, creating a striking contrast with the copper tones above, a contrast that's especially vivid on young leaves, which tend to show the strongest copper color as the plant matures. In Japan it's also sold under the name Red Secret. A perennial, it can grow leaves up to about 60cm long, though growth varies with conditions. It's considered a plant for intermediate growers, and with attention to placement and watering, it makes a long-lasting centerpiece for any collection.
View 红秘密 encyclopedia →成交手续费0%！2026年9月30日前注册，前 2 株免佣金！
生产者 招募中！
在GrowerDirect上销售，直接面向全国客户销售吗？
GrowerDirect的 6 项透明性承诺
观叶植物出品中，生产者说明以下信息。确保品种、产地、光照需求、栽培难度的透明性。
- 品种说明
- 实物照片
- 色泽
- 产地说明
- 光照需求
- 难度说明
查看全部139个品种
已注册的生产者（抢先看）
红秘密的基本数据
- 养护难度
- 适合中级者
- 寿命
- 多年生草本
- 体型
- 叶长达60厘米
- 适宜温度
- 20〜25℃
- 浇水
- 生长期施用稀释液肥
- 光照与放置位置
- 避免直射阳光的明亮半阴处。强光会容易损伤具有金属光泽的叶片。
- 浇水
- 表土干燥时浇水，盆碟不积水。冬季保持干燥状态管理。
- 温度与越冬
- 热带原产，不耐寒冷。以观音莲属适温20～25℃左右为标准，冬季在温暖室内管理，避免靠近寒冷的窗边。
- 基质与换盆
- 使用排水良好、含有机质的基质。换盆在温暖季节进行。
- 繁殖方法
- 分离子株或小块茎进行繁殖。
- 病虫害与注意事项
- 干燥时易生红蜘蛛。过湿易导致根腐。含有草酸钙，需防止宠物和儿童误食。
关于红秘密
Alocasia Cuprea, native to Borneo, is a foliage plant with shield-shaped leaves that show a coppery metallic sheen and deep purple undersides. Also known as Red Secret, it's a perennial suited to intermediate growers.
开始养护红秘密前需要了解的7件事
1Placement and Light
Alocasia Cuprea prefers bright, indirect light and dislikes strong direct sun. A spot near a window filtered by a sheer curtain helps bring out the coppery leaf color without risking leaf burn.
2Watering Basics
Water thoroughly once the top layer of soil has dried out. Avoid letting water sit in the saucer, since constantly wet roots can lead to rot.
3Soil and Drainage
Because Alocasia roots are prone to suffocating in soggy soil, good drainage matters. Mixing pumice or perlite into a standard houseplant potting mix improves aeration.
4Humidity Preference
The textured leaves that make Cuprea distinctive can develop crispy edges in dry air. Running a humidifier nearby or misting occasionally helps keep the foliage looking its best.
5When to Repot
It's time to repot when roots start showing through the drainage holes or the soil dries out unusually fast. Move up to a slightly larger pot and handle the roots gently.
6Growth and Dormancy
Growth slows as temperatures drop, and some plants enter a resting phase. During this period, water less frequently and hold off on fertilizing.
7Choosing a Healthy Plant
Look for leaves that are firm and free of discoloration or spots. It's also worth checking that the stem base feels stable and isn't wobbling in the soil.
红秘密的常见问题
- Q.Can beginners grow this plant?
- A.Cuprea is generally considered suited to intermediate growers, so some prior houseplant experience helps. That said, it's still manageable for a careful first-timer who follows the basics of light, water, and humidity.
- Q.How large do the leaves get?
- A.Leaves can reach up to about 60cm in length under good conditions, though the actual size varies depending on growing environment and the plant's age.
- Q.How do I keep the copper leaf color vivid?
- A.Bright but indirect light is key to maintaining the coppery metallic sheen. Younger leaves tend to show the deepest copper tones, and the color naturally shifts a bit as the plant matures.
- Q.Is this the same as Red Secret?
- A.Red Secret is simply another name Alocasia Cuprea is sold under in Japan. Botanically, it refers to the same plant.
- Q.What should I watch for in winter?
- A.As temperatures drop, growth slows, so it's best to water less often and skip fertilizing. Also keep the plant away from cold drafts or spots that get too chilly.
红秘密种植的实用工具
在图鉴中详细了解红秘密
查看红秘密的图鉴条目 →
收录栽培难度、尺寸、原产地、日照等基础数据。