Gymnocalycium horstiiKP Laer
Cactus

Gymnocalycium horstii

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Botanical fact sheet

Gymnocalycium horstii Buining

⚙ Automatic base data
Gymnocalycium horstii
Photo: KP LaerCC BY-SA 4.0Wikimedia Commons
Taxonomy
Family: Cactaceae · Genus: Gymnocalycium1
Native distribution
Brazil South, Global, Braziluncertain2

Gymnocalycium horstii is a globular cactus resembling a loaf of bread.

Still missing: plant type, natural habitat, height / growth form, flowering period, growth & dormancy period.

Sources (6)
  1. GBIF Backbone Taxonomy – Gymnocalycium horstii · Scientific name · CC BY 4.0
  2. GBIF – distributions (The World Checklist of Vascular Plants (WCVP); The IUCN Red List of Threatened Species; Flora e Funga do Brasil - Lista ) · Native distribution · CC BY 4.0
  3. Wikidata – Q290726 · CC0
  4. Wikimedia Commons – Gymnocalycium horstii 2.png · CC BY-SA 4.0
  5. Wikipedia (de) – Gymnocalycium horstii · CC BY-SA 4.0
  6. Wikipedia (en) – Gymnocalycium horstii · CC BY-SA 4.0
Community knowledge

Tips & experience from members

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Real data

How members water it

Not enough logs yet: at least 3 plants with regular watering logs are needed (now: 0). Waterings logged in Care feed this – anonymised and aggregated.

Care guidelines

How it thrives

Partly general data for the genus Gymnocalycium
Waterlow
Lightfull sun
Humiditylowgeneral genus data
Min. temperature5 °C
Dry winter rest · general genus dataDifficulty: ●○○○○ · general genus data✓ Not known to be toxic · general genus data

No monthly schedule is shown because cultivar-/species-level data is not yet sufficient. The general values above are guidance only.

Gymnocalycium tip: Unlike most cacti it dislikes harsh midday sun – bright filtered light is ideal.

⚠ Pets & children · genus Gymnocalycium
Not known to be toxic 🐱 🐶 🧒details →
At a glance

Gymnocalycium horstii – what to know

Gymnocalycium horstii – family: Cactaceae, genus: Gymnocalycium. Native range: Brazil South, Global, Brazil. Care guidelines: light: full sun; water: low; min. 5 °C. It is not known to be toxic to cats or dogs.

Frequently asked questions

How often should I water Gymnocalycium horstii?

Sparingly: let the soil dry out completely between waterings, and water even less in winter.

How much light does Gymnocalycium horstii need?

It needs plenty of direct sun – the sunniest window, or outdoors in summer, suits it best.

How cold can Gymnocalycium horstii get?

Keep it above 5 °C – it is frost-tender and needs a frost-free spot in winter.

Is Gymnocalycium horstii toxic to cats and dogs?

It is not known to be toxic to cats or dogs.

When does Gymnocalycium horstii flower?

According to the general guideline for the genus Gymnocalycium: Typical flowering time: May, June, July, August.

Community intelligence

What members’ data shows

When does it really bloom?

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Average watering interval

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Conversation

Questions about this species

Same genus

Gymnocalycium

Data sources: GBIF.org – Gymnocalycium horstii (CC BY 4.0) · Wikidata – Q290726 (CC0) · Wikimedia Commons – Gymnocalycium horstii 2.png (CC BY-SA 4.0) · Wikipedia – Gymnocalycium horstii (CC BY-SA 4.0) · Care data is for guidance only.

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