Vyvyan Pennell The Vyyann Pennell Clematis- double flowers are a violet blue with reddish overtones that bloom in May and June, followed by single flowers in aluminous light violet in mid August.

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Vyvyan Pennell The Vyyann Pennell Clematis- double flowers are a violet blue with reddish overtones that bloom in May and June, followed by single flowers in aluminous light violet in mid August.

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