Lophophora williamsii 5.5cm Care & Tips
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Family: Cactaceae • Pot diameter: 5.5 cm
Lophophora williamsii is a low, rounded cactus with an exceptionally clean and minimalist form. Its body is smooth, blue-green to deep green, divided into soft ribs that create a symmetrical, almost sculptural dome. Instead of prominent spines, it carries small woolly areoles, giving it a distinctive, quiet and refined ornamental presence. It is ideal for bright positions, small pots, carefully arranged cactus displays and spaces where you want a slow-growing plant with strong botanical character and a strict, clean silhouette. It needs a very free-draining mineral mix, good airflow and watering only after the growing mix has dried completely.
Place it in a very bright position, close to a window with abundant light or in a protected outdoor spot with gentle sun. Strong midday sun, especially behind glass, can raise temperatures sharply, so acclimation should be gradual. The pot needs immediate drainage and the growing mix should dry completely before each new watering. Avoid damp, dark or poorly ventilated positions, because Lophophora williamsii is especially sensitive to excessive moisture around the roots.
Design goal: low scale, strict geometry, a very bright position and plants with low water needs.
Taxonomic history: Lophophora williamsii belongs to the family Cactaceae and is one of the best-known species in the genus Lophophora. The current botanical combination was published by J. M. Coulter in 1894, while older synonyms appear in botanical literature. Within cacti, the genus is distinctive for its low, smooth, almost spineless body and small woolly areoles.
Native range & habitat: Its natural range extends from southwestern and southern Texas to northeastern Mexico and towards Jalisco. In habitat it grows mainly in desert and dry shrubland environments, often in poor, gravelly or limestone-based soils, low to the ground and protected among stones or low vegetation.
Naming & form: The name Lophophora is connected with the form of the areoles and the characteristic woolly crown of the plant. Lophophora williamsii is known for its compact, rounded to slightly flattened body, soft ribs and lack of large visible spines, features that give it a very different appearance from many familiar cacti.
Ecology & adaptation: The low form reduces exposure to dry air and intense radiation, while the thick succulent body stores water. The areoles near the crown can carry white wool, and flowers may appear from the centre on mature plants. In cultivation, these adaptations translate into a need for a very free-draining mineral mix, careful watering and avoidance of prolonged moisture.
Conservation & ornamental value: Lophophora is subject to international trade controls, so plants should be traded and grown responsibly and only from legal nursery sources. Its ornamental value lies in the unique low rounded form, slow growth and clean botanical aesthetic that separates it strongly from more common cactus shapes.
| 🔎 Feature | Information |
|---|---|
| 🌵 Botanical name | Lophophora williamsii |
| 🪴 Pot | 5.5 cm |
| ☀️ Light | Very bright position, with gentle sun and gradual acclimation to stronger exposure. |
| 💧 Watering | Very sparse. Water only when the growing mix has dried completely, and reduce strongly in low temperatures. |
| 🪨 Growing mix | Very free-draining cactus mix with a high proportion of mineral materials. |
| 🟢 Form | Low, rounded to slightly flattened body with soft ribs and woolly areoles. |
| 📈 Growth | Slow, compact and low-growing, with emphasis on a stable, symmetrical shape. |
| 🚫 Use | Ornamental cactus only — not for consumption, processing, extraction or any non-ornamental use. Keep away from children and pets. |
It needs a very bright position, with gentle sun and gradual acclimation. Indoors, choose a bright window while avoiding excessive heat behind glass.
Water very sparingly, only when the growing mix has dried completely in depth. In low temperatures or slower growth periods, watering should be reduced significantly.
It needs a very free-draining cactus mix with a high proportion of mineral materials such as pumice, gravel or coarse sand. Heavy moisture-retentive mixes should be avoided.
No. It is offered strictly as an ornamental cactus and is not intended for consumption, processing, extraction or any non-ornamental use.
© Original plant description by Greenleaf Garden Center. All rights reserved. | This text is original material. Copying is prohibited.
🔎 Note: Due to the natural variation of plants, the plant you receive may differ slightly from the one shown in the photo. Shape, size and colour may vary depending on the season, growing conditions and the natural character of each plant.
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