The wild Bergamots grow close to water or in damp woodland – the garden hybrids are at home in the herbaceous border but they do need moist soil. If your ground is short of humus, add plenty ofor peat at planting time. Mulch the plants in spring and water copiously if the summer is hot and dry. The clumps of bear hairy, Mint-like which are strongly aromatic -pick and dry quickly to provide an ingredient for pot-pourri. The flower-heads, made up of whorls of tubular , are borne on top of upright stems. To keep the plants vigorous lift. divide and then replant the clumps every three years. Cut back the stems to ground level in autumn.
VARIETIES: The hybrids have been derived from M. didyma – basic details are height 2-3 ft. Spacing 2 ft.
Flowering period: June-September. The two popular varieties are ‘Croftway Pink’ (rose-pink) and ‘Cambridge Scarlet’ (red) – other types include ‘Prairie Night’ (purple), ‘Snow Maiden’ (white) and ‘Adam’ (rose-red).
SITE AND SOIL: Any moisture-retentive garden soil will do – thrives in sun or light shade.
PROPAGATION: Divide clumps in autumn or spring.