What Is the Ideal Temperature Range for alum root 'Timeless Night'?
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alum root 'Timeless Night' · Heuchera 'Timeless Night'
Grow in a fertile, neutral soil in sun or light shade, and ensure good drainage, especially in heavy soils. The woody rootstock tends to lift out of the ground over time, so mulch annually to retain moisture. Divide and replant every 3-4 years to maintain vigour
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