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KD_ACANTHOCEREUS_MACDOUGALLII_001

Acanthocereus macdougallii

MacDougall's Barbed Wire Cactus

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Acanthocereus macdougallii: The New Star of Your Collection

Among the mysterious members of the cactus family, Acanthocereus macdougallii immediately draws attention with its unusual triangular stems. Also known as "Macdougall's Triangle Cactus," this rare species will add an aesthetic and exotic flair to your collection.

Why Choose Acanthocereus macdougallii?

  • Unique Form: Its slender, triangular-sectioned stems set it apart from other cacti.
  • Stunning Flowers: Under the right conditions, it adorns your garden or balcony with large, white, and spectacular nocturnal blooms.
  • Easy Care: A robust species suitable even for beginner cactus enthusiasts.
  • Fast Growth: With proper care, it develops quickly into an impressive specimen.

At Kaktüs Doktoru, we offer you the healthiest Acanthocereus macdougallii specimens. Don't miss out on this special species!

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Temperature
10-38 °C

Optimal: 24 °C

Light
Bright Indirect Light

Prefers bright, filtered light or partial shade; harsh direct midday sun can bleach or burn the stems.

Soil
Well-draining, sandy and pumice-rich cactus soil

Highly porous cactus mix amended with coarse sand, pumice, and perlite for rapid drainage.

Water
10-25 Days

Water thoroughly in summer once soil is dry; reduce drastically in winter to about once a month.

Difficulty
Moderate

Moderate. Easy to maintain if watering is kept in check and the plant is protected from frost.

Frequently Asked Questions

Is Acanthocereus macdougallii suitable for indoor care?
Yes, it can be grown indoors near bright windows. However, due to its climbing habit, it will eventually require support or a trellis and adequate space.
How often should this cactus be watered?
Water thoroughly when the soil is completely dry, about every 10 days in summer. In winter, reduce watering significantly to once every 20-25 days.
Is it toxic to pets?
This cactus is not known to be chemically toxic to pets; however, its sharp spines pose a physical injury hazard to curious cats and dogs.
What kind of soil mix should be used?
A highly porous, fast-draining cactus and succulent mix containing plenty of pumice, lava rock, and coarse sand is ideal.
When and how does it bloom?
When mature and given sufficient light, it produces large, fragrant white flowers that open at night, typically during the summer months. Flowers last only one night.
What is its growth rate?
It has a moderate to fast growth rate compared to many other cacti. Under warm, well-watered summer conditions, its stems can elongate rapidly.
Is it frost tolerant?
No, it is sensitive to frost. It should be overwintered in a dry, sheltered location where temperatures stay above 10°C (50°F).
Why are the stems turning yellow?
Yellowing stems are usually a sign of root rot from overwatering, or sunburn caused by sudden exposure to intense, direct midday sunlight.
How is it propagated?
It is easily propagated by stem cuttings. Let the cut end dry and callus for a few days before planting it in a well-draining soil mix.
How often should it be repotted?
Repot young plants every 2 years, and mature ones in spring only when the root system becomes pot-bound and crowds the container.

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