Giant Parsnip

Giant Parsnip (Heracleum) - Umbelliferous perennials, mostly of gigantic growth, having huge spreading leaves and tall flower-stems, with umbelled clusters of small white flowers 1 foot or more across. Though well-developed plants of the large kinds have a fine effect when isolated in copse or wood, they are out of place in the flower garden and suitable only for the rougher parts of pleasure grounds, the banks of rivers or lakes, and other places where they can grow freely without injury to other plants. The finest are H. giganteum, lanatum, sibiricum, eminens, Wilhelmsi, and pubescens, all of which, when in flower, are 5 to 10 feet high.

Of quite unique presence is the bushforming H. Mantegazzianum, from the Caucasus, which attains to 6 to 7 feet high and a diameter of 8 to 10 feet. In flower or leaf it is the best and most imposing. All are increased by seed.

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