Selling Size : Single Plant | Pot Included | Secure Packing

Gymnocalycium mihanovichii
(Moon Cactus, Chin Cactus) 🌙🌵

This cactus is loved for its bright-colored, spineless tops — usually red, orange, yellow, or pink — that are actually mutant Gymnocalycium grafted onto a green cactus rootstock (often Hylocereus). The colorful top can’t survive alone because it lacks chlorophyll, so it depends on the green base for photosynthesis.

Here’s how to keep it healthy Gymnocalycium mihanovichii👇:

🌞 Light

Needs: Bright, indirect light.
Avoid: Harsh midday sunlight — it can bleach or burn the colorful top.
Best spot: East-facing window or filtered sunlight area.

🌡️ Temperature

Ideal: 20–30°C
Minimum: 10°C (avoid frost).
Keep away from air conditioners or cold drafts.

💧 Watering

Spring–Summer: Water when the top 2–3 cm of soil is completely dry (every 10–15 days).
Autumn–Winter: Water lightly once a month or less.
Tip: Use the “soak and dry” method — never let water sit at the bottom.

🌵 Soil

Use: Fast-draining cactus or succulent mix.
Best blend: 50% cactus mix + 25% coarse sand + 25% perlite/pumice.
Avoid dense or clay soils.

🪴 Pot

Use a terracotta pot with drainage holes to prevent root rot.
Repot every 2–3 years in spring if the rootstock outgrows the pot.

🌸 Fertilizer

Use a diluted cactus fertilizer (¼ strength) once every 4 weeks in spring and summer.
Skip feeding during winter dormancy.

🌼 Flowering

The colored top rarely blooms, but the green base can sometimes produce small, pale pink or white flowers.

⚠️ Common Issues

Problem	Cause	Fix
Mushy base	Overwatering	Reduce watering; check for root rot
Color fading	Too much direct sun or poor light	Move to bright, filtered light
Shriveling top	Lack of water or dying graft	Water slightly or re-graft onto healthy rootstock
Detaching top	Weak graft or root rot	Cut and re-graft to a new base

🌱 Propagation

Since the colorful top has no chlorophyll, it must be grafted onto another green cactus (like Hylocereus or Myrtillocactus).
Grafting steps: cut both cacti, align the centers, and secure with rubber bands until fused (7–10 days).

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