Health certificates are no longer required. Japan, Australia, USA, Switzerland and others with similar regulations. Ask for a quotation. No charge if ordered with plants. Carefully clean off the moss wrapping the roots, give the roots a good soak and keep watered in dry weather until established.
Most plants require a sunny site, a well drained moderately fertile soil, and shelter from winds.
Ensure that perennials don not encroach on each other. Fork in a light dressing of organic compost every year. Add lime if necessary. Most herbs prefer near neutral soil conditions. To dry herbs, cut just before the plant is due to flower, in the morning just after the dew is away.