Geranium tuberosum

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USDA Hardiness zone: Zn5a -15º to -20ºF

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Geranium tuberosum

Cheerful perennial Geranium that comes from tubers. This vigorous, undemanding plant spreads liberally, even in difficult sites. April to June a continuous display of frosty purple and blue striped flowers. The mass of flowers wave above 20″ stems and create a haze of purple. The deeply divided leaves are typical Geranium. In summer heat and dry forces the entire plant into dormancy. Therefore, this plant can subsist on only what falls from the sky once established. This plant can increase rapidly in rich soils, err on the side of average to poor fertility. Nice cut flower. Not bothered by slugs or snails. Mix with other mid-spring flowers for a cottage garden effect. Each flower is nearly 1″ across. Mild deer resistance.

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