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Gymnocalycium mihanovichii 'Japan Gem' 7.5cm H13cm

Gymnocalycium mihanovichii 'Japan Gem' 7.5cm H13cm
£27.00 GBP
£27.00 GBP
Sale Sold out
Taxes included.
Pot Size

Meet Gymnocalycium mihanovichii ‘Japan Gem’—the tiny jewel cactus. Compact shape, unusual colouring and collector appeal make it a brilliant little accent plant. Small but full of character, it is perfect for bright shelves and cactus displays.

  • The Formal Name: Gymnocalycium mihanovichii ‘Japan Gem’
  • The Nickname: Japan Gem Cactus
  • Roots: A selected form of Gymnocalycium mihanovichii, a South American cactus species.
  • Natural Vibe: Bright dry grassland and rocky habitats where mineral soil dries quickly between rains.

Care Guide
  • Care Guide:
  • Sunlight: She prefers very bright light and will appreciate some gentle direct sun once acclimatised.
  • Best Room: A sunny windowsill, bright conservatory or dry display shelf with strong natural light.
  • Snacks: Feed sparingly in spring and summer with a cactus fertiliser at a weak dose.
  • Tropical Feels: Dry average home air is usually ideal; avoid humid, still corners.
  • Cosy Factor: Keep her above 10°C and warmer during active growth, with good airflow around the pot.
  • Thirst: Water thoroughly only when the mix has dried right through, then keep much drier in winter.
  • Safety First: Handle with care – spines and sap can irritate skin, pets and small hands, even where the plant is not considered highly toxic.
  • The Bedding: Use a gritty cactus mix with excellent drainage and extra mineral material such as pumice or grit.
  • Family Tree: Propagate by offsets, seed or cuttings depending on the plant, allowing cuts to callus first.
  • Space Needs: Compact and architectural, ideal for sunny shelves and small display groupings.
  • Speed: Usually slow and steady, especially indoors, with growth concentrated in the brighter months.
  • Uninvited Guests: Watch for mealybugs, scale and root mealybugs hidden around ribs or in dry compost.
  • Moving Day: Repot only when necessary into a pot with drainage, wearing gloves where spines are present.
  • Haircut: Remove dead flowers or damaged pieces carefully rather than trimming healthy growth.
  • Fresh Air: A sculptural desert-style plant that brings texture and shape without needing frequent watering.
  • Plant Lore: This group is loved by collectors for unusual body colours, neat size and gem-like detail.
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