Also known as Old Lady Cactus · Wooly Cactus · کاکتوس سپید مو
Espostoa melanostele, a columnar cactus, features dense white wool and nocturnal white flowers. Native to Peru, it prefers arid conditions and well-drained soil.
At-a-glance light, water, soil, and growing conditions from plant data
Bright, indirect sunlight is ideal.
75% intensity
Protect from intense direct sun, which can cause scorching.
Allow soil to dry out completely between waterings.
25% intensity
Excessive moisture leads to root rot.
Well-draining cactus mix
50% intensity
Prefers warm temperatures during the growing season.
50% intensity
Tolerates cooler temperatures in winter, but protect from frost.
Feed sparingly during growth period.
25% intensity
Use a diluted cactus fertilizer in spring and summer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water thoroughly when the soil is completely dry. Espostoa melanostele is drought-tolerant and susceptible to root rot if overwatered.
Reduce watering significantly during the dormant winter months to prevent fungal diseases and ensure proper rest.
Pruning is generally not required for Espostoa melanostele. If any stems become damaged or diseased, they can be removed with a clean, sharp knife close to the body of the plant.
This helps maintain its natural columnar form and health.
Propagate by stem cuttings or offsets. Allow cuttings to callus for several days before planting in well-draining soil. Offsets can be gently removed and planted similarly.
Success is best during the warmer growing season.
Repot every 2-3 years or when the plant outgrows its container. Use a well-draining cactus or succulent potting mix.
Choose a pot slightly larger than the current one, ensuring good drainage holes to prevent waterlogging.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Espostoa Melanostele (Espostoa melanostele)
Where Espostoa Melanostele (Espostoa melanostele) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Espostoa |
| Species | Espostoa melanostele |
Similar in genus Espostoa
Answers based on plant encyclopedia data
