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A genus of hardy herbaceous perennials, some of which are useful border plants, the dwarf species are good rock garden plants. Several are natives of the British Isles but those valued for gardens are from Europe, South America, and the Near East. From the Greek geno, to impart an agreeable flavor, referring to the aromatic roots of some species (Rosaceae). […]
The gardener must at times give plants protection against too intense light and against excessively high temperatures. Damage from intense light is most likely to occur when naturally shade loving plants are exposed to direct, strong sunshine; when sun loving plants, comparatively soft and tender from being grown in a greenhouse or cold frame, are transferred outdoors; and after plants […]