Geraniums - Knowledgebase Question

Fountain Valley, CA
Avatar for donnam6074
Question by donnam6074
November 7, 1999
I recently purchased a Johnson's blue geranium, but can find no information on it in gardening reference sources such as Sunset Western Gardening Book. The tag says it is deciduous. My question: is it a true geranium and what variety is it?

Answer from NGA
November 7, 1999
Your Johnson's Blue is a hybrid Crane's-bill Geranium, hardy in zones 3-8. It will grow 18" high with an 18" spread.

Geraniums are hardy perennials and should not be
confused with annual geraniums which are in the genus
pelargonium. The perennial geraniums grow 4 inches to 2
and a half feet tall depending on the species grown. The
leaves are cut and can be almost fern-like. The smaller
species may be used in the rock garden. Taller types are
not invasive like some other perennials. The flowers are
usually 1 to 2 inches in diameter. Flowering is best when
the plants are grown in full sun although they tolerate
some shade. 'Johnson's Blue' will produce vivid blue flowers over a long period of time if the spent blossoms are regularly removed.

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