Spider Cactus
Gymnocalycium baldianum · Native to Argentina (Córdoba)
A compact, low-growing globe cactus that surprises with stunning deep red to carmine flowers — one of the most vivid blooms of any small cactus.
Available in 4½ inch
Care
Light
Bright, indirect to direct light. Tolerates light shade better than most cacti — a real indoor performer.
Water
Water when the top inch of soil dries. Reduce significantly in winter.
Soil & Feeding
Well-draining cactus mix. Light feeding monthly in spring and summer.
Quick Tip
The deep red flowers are most vivid in a spot with bright morning sun.
Details
Gymnocalycium baldianum is treasured for producing some of the most vivid, deep red flowers of any globe cactus — a real showstopper when in bloom, on a plant small enough to fit in your palm.
- ✅ Produces deep red to carmine flowers that are truly eye-catching
- ✅ Compact and low — fits perfectly on a small shelf or windowsill
- ✅ Unusually shade-tolerant for a flowering cactus
Size
Available in a 4½ inch pot — a great starter size that’s easy to place on a windowsill, desk, or shelf, and simple to repot as it grows.
Good to Know
⚠️ Has short spines that can irritate skin — handle with care. Keep away from children and pets.
Plant Bio
Gymnocalycium baldianum · also called the Dwarf Chin Cactus
Native to the rocky grasslands of Córdoba, Argentina, Gymnocalycium baldianum is a small, slow-growing globe cactus that has become a collector’s favorite for its spectacular deep red to carmine flowers.
Its flattened to globular body is a cool blue-green with white radial spines that spread outward like a spider’s legs — the origin of its common name. The spines are relatively short and fine.
In spring and summer it produces flowers that are unusually vivid for such a small plant. The deep red color is rare among small globe cacti, making this species a genuine standout.
What makes it special?
- Produces some of the deepest red flowers of any small globe cactus.
- More shade-tolerant than most flowering cacti — genuinely indoor-friendly.
- Stays very compact, rarely exceeding a few inches in diameter.
Note: Has short spines that can irritate skin — handle with care. Keep away from children and pets. Grown for ornamental purposes only.