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Echinopsis oxygona

Easter Lily Cactus

Echinopsis oxygona

Echinopsis oxygona is treated by Plants of the World Online as an accepted species in Cactaceae. Its native range extends from southern Brazil to northeastern Argentina, with Paraguay and Uruguay also recorded as native.1

The species is known for clustered, globose to shortly cylindrical ribbed stems and short spines. The Royal Horticultural Society describes large funnel-shaped flowers that may open in the late afternoon under suitable conditions.2 Flower colour, bud count, and flowering time vary with the individual and its growing conditions; flowering is therefore not a sales guarantee.

Cultivation summary

Provide a very bright position and a fast-draining cactus mix. When moving an indoor plant into stronger direct sun, acclimate it in stages to reduce scorching. During active growth, water only after the mix has dried; reduce water substantially during cool or slow growth. Never leave the pot standing in water, and protect the plant from freezing conditions.2

The spines are not evidence of chemical toxicity, but they can cause mechanical injury. Keep the plant away from children, pets, and busy walkways.

References

  1. Plants of the World Online. “Echinopsis oxygona (Link) Zucc. ex Pfeiff. & Otto.” Royal Botanic Gardens, Kew. Accessed: 2026-08-04. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:132749-1 ↩
  2. Royal Horticultural Society. “Echinopsis oxygona — pink Easter lily cactus.” Accessed: 2026-08-04. https://www.rhs.org.uk/plants/209593/echinopsis-oxygona/details ↩
Light

Direct Sun

Provide a very bright position. Increase stronger direct sun gradually to reduce scorching.

Watering

Measured

Water according to substrate dryness rather than a fixed calendar; reduce water during cool, slow growth.

Soil

Draining Mix

Use a mineral-rich, fast-draining cactus mix in a pot with drainage holes.

Safety

No reliable species-specific chemical toxicity claim is used. The spines present a mechanical injury risk.

Difficulty

Easy

Manageable when light and drainage are adequate; the main risks are overwatering and abrupt sun exposure.

Native Habitat

Southern Brazil, northeastern Argentina, Paraguay, and Uruguay

Plants of the World Online records the native range from southern Brazil to northeastern Argentina, including Paraguay and Uruguay.[^1] [^1]: Plants of the World Online. “Echinopsis oxygona (Link) Zucc. ex Pfeiff. & Otto.” Royal Botanic Gardens, Kew. Accessed: 2026-08-04. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:132749-1

Frequently Asked Questions

When should Echinopsis oxygona be watered?
Water after the mix has dried and drain all excess. Do not follow a fixed weekly schedule.
Can it take direct sun?
Yes, but increase direct sun in stages, especially when moving a plant outdoors.
Will it arrive in flower?
No flower or bud stage is guaranteed because living stock changes naturally.
How should it be kept in winter?
If growth slows in cool conditions, reduce watering and protect the plant from frost.
Is it safe around pets?
No species-specific toxicity claim is made. The spines can mechanically injure paws and eyes.