Gymnocalycium Horstii (Spider Cactus)

Gymnocalycium horstii

Gymnocalycium horstii is a Brazilian cactus with a glossy green, flattened-globular body divided into broad, rounded ribs. Its stout, curved spines lie close to the body, and plants may produce offsets to form small clusters with age. Mature plants produce large, funnel-shaped flowers ranging from white to pale pink.

☀ Light: Bright filtered light to morning sun

💧 Water: Water when soil is completely dry

🌡 Cold: Protect from frost

✨ Highlights

• Glossy green, rounded body
• Broad, prominently rounded ribs
• Stout, curved spines
• Large white to pale pink flowers

This cactus will ship bare root and will be ready to place directly in a well draining soil mix like our Custom Cactus Mix.

Photos in the listings unless otherwise specified are representative of the plant that will be sent to you.
However, Plants grow differently and each plant may vary slightly in shape, size, growth pattern, etc.
Of course, if you receive a plant that you are dissatisfied with please reach out to us. We want to make it right!

If temperatures near you are below 45℉ we highly recommend adding a Heat Pack to your order.
If temperatures where you live will be much lower than 20℉ even heat packs may not work. You may consider waiting until things warm up a bit. We know you love your plants just like we do and we wouldn't want any of them to freeze.