Burning Bushes Dying in Clay Soil: Diagnosis & Replanting Fix

7 burning bushes (Euonymus alatus) planted May 2009. 5 turned brown/brittle after a month. Stems still green inside. Mulched in timber "flower boxes." Clay/rocky soil. Cause?

Clay Soil = Death Trap

Burning bush demands sharp drainage. Clay creates a "bathtub effect": wet = drowned roots; dry = concrete-hard, water-repellent. The timber edging worsens it by trapping water.

Survival Unlikely for Current Plants

Burning bush hates root disturbance. Moving stressed plants usually finishes them.

Replanting Protocol for Success

1. Dig holes 2× wider, same depth as root ball.
2. Break up clay pan at bottom; fork in horticultural grit.
3. Layer 3–4 inches compost over grit.
4. Mix grit + compost into backfill soil.
5. Plant, firm gently, water thoroughly ("water in").
6. Mulch 2–3 inches; keep off stems.

Fix the soil first. The "flower box" is fine if drainage is engineered underneath.