Saving Giant Euphorbia trigona from Overwatering Rot

Emergency Surgery

25-year-old, 52-inch Euphorbia trigona overwatered, basal 22 inches dry/shriveled, top 30 inches green.

Best Approach: Break, Don't Cut

1. Snap off green sections just below healthy tissue (minimizes toxic latex flow).
2. Callus 2–3 days (latex seals fast).
3. Pot in cactus mix, bury 3 inches.
4. Water once, then dry cycle.
5. Warm (70°F+), bright shade.

Expect Losses

• Many won't root – but some will.
• Rooting hormone gel + Superthrive helps.
• Discard shriveled base.

Safety

Gloves, goggles, long sleeves. Latex = severe irritant. Wash immediately if contact.

Propagation preserves the genetic line; the giant is lost.