Melissa officinalis (lemon balm) is a member of the Lamiaceae family. This perennial exhibits a bushy growth habit and is characterized by its deciduous foliage. It has a hardiness rating of very hardy (colder than -20ºc) and is hardy in the severest European continental climates including exposed upland locations in the UK.
When fully mature, Melissa officinalis can reach an ultimate height of 0.5–1 metres and a spread of 0.1–0.5 metres. For optimal growth, it prefers south–facing or west–facing aspect and sheltered positions. It thrives best in chalk or clay or loam or sand soil types and should be placed in full sun or partial shade.
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