Navelwort generally prefers part-shade to full-shade conditions with some morning sun, thriving in consistently moist, well-drained, humus-rich soil. They are hardy to temperate climates but require protection from harsh winter weather. Challenges may include slugs, snails, and root rot in overly wet conditions. In spring, cut back any dead foliage and mulch to retain moisture. Summer care is minimal, but ensure soil doesn't dry out. Autumn is the time to divide if necessary. Winter care involves protection from freeze-thaw cycles and excessive wetness.