Armatocereus rauhii is a columnar cactus native to Peru, forming tall, erect stems with prominent ribs and spines. It thrives in arid conditions.
At-a-glance light, water, soil, and growing conditions from plant data
Requires bright, direct sunlight for optimal growth.
75% intensity
Protect from intense afternoon sun in very hot climates.
Allow soil to dry completely between waterings.
25% intensity
Reduce watering in winter.
Well-draining cactus mix
50% intensity
Prefers warm temperatures during the growing season.
75% intensity
Tolerates cooler temperatures in winter dormancy, but protect from frost.
Feed sparingly during the growing season.
25% intensity
Use a balanced, diluted fertilizer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
None
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, typically every 2-4 weeks during the growing season (spring/summer). Reduce watering significantly in fall and winter, allowing the soil to dry out completely between infrequent waterings to prevent root rot.
Prune sparingly to remove dead, damaged, or crossing stems. Use a sharp, sterile knife or saw to make clean cuts. This cactus has a columnar growth habit and generally requires minimal pruning for shape.
Propagate by stem cuttings. Allow cut ends to callus over for several days to a week before planting in well-draining cactus mix. Rooting typically occurs within a few weeks to months in warm conditions.
Repot when the cactus becomes root-bound, typically every 2-3 years. Use a well-draining cactus and succulent potting mix. Choose a pot slightly larger than the current one, ensuring adequate drainage holes.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Armatocereus Rauhii (Armatocereus rauhii)
Where Armatocereus Rauhii (Armatocereus rauhii) is found
Density
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Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Armatocereus |
| Species | Armatocereus rauhii |
Similar in genus Armatocereus
Answers based on plant encyclopedia data
