What Soil Is Best for alum root 'Thomas'?
- Soil type
- Chalk · Clay · Loam · Sand
- Soil pH
- Neutral

alum root 'Thomas' · Heuchera 'Thomas'
Grow in a fertile, neutral soil in sun or partial shade, and ensure good drainage, especially in heavy soils. The woody rootstock tends to lift out of the ground over time, so mulch annually or lift and replant every few years