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Cereus forbesii · Cactaceae

Blue Torch Cactus

✅ Pet-friendlyPerennial, remaining green throughout the year.50 to 100 cm
Full sunLow; allow to dry between waterings.EasyDoes not tolerate temperatures below 5 degrees Celsius.

Description & origin

Cereus forbesii is an upright cactus with bluish stems and white spines. Ideal for outdoor gardens in mild climates. It grows well in pots or directly in the ground.

Size

Can reach up to 100 cm in height in domestic cultivation.

Foliage

Maintains foliage throughout the year.

Flowering

This species does not produce flowers in domestic cultivation.

Detailed care

Light

Prefers full sun for healthy growth.

Soil

Well-drained soil, preferably sandy or cactus-specific.

Watering

Sparse watering, allowing the soil to dry completely between waterings.

Temperature

Protect from temperatures below 5 degrees Celsius.

Fertilising

Fertilize once a month during spring and summer with cactus fertilizer.

Repotting

Transplant in spring when necessary, using fresh soil.

Pruning

Does not require regular pruning, only removal of damaged parts.

Propagation

Easily propagated by stem cuttings.

Common problems

Root rot

Caused by overwatering and poor soil drainage.

Sunburn

Can occur if exposed to intense sun without acclimation.

Mealybug infestation

Insects that suck sap, causing damage to the cactus.

Uses & curiosities

In the garden

  • Xeriscaping
  • Cactus gardens
  • Rock gardens

Other uses

Ideal for cactus collectors.

Did you know…

This cactus is known for its resilience and ability to store water in its stems.