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There are 46 products.
Rich purple flowered variety, more mildew resistant than others in our area. Tall and self supporting non staking variety, useful as a cut flower.
An excellent tall perennial for a sunny dryish position with spikes of interesting whorled beige-pink flowers. Cut back to crown after flowering to rejuvenate.Only a few in stock so order early.
A superb variety, flowering long into autumn with rich indigo flowers. Tip prune young plants to encourage bushy form before flowering. Ideal with roses and in cottage gardens.
Frost tolerant winter dormant variety with sky blue flowers in mid summer. Tall and self supporting, a good border plant for background fill-ins.
Mashua. Grown in the Andes for its edible tubers which are best roasted like potatoes or yams. A climbing, shade loving plant which needs a cool site and good drainage.
White flowered form with attractive pink anthers, stout branching habit, good perennial plant.
