Trachelium caeruleum ‘Dark Purple’

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USDA Hardiness zone: Zn8a 15º to 10ºF

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Florists variety of Flossflower that we think makes a nifty garden plant too. Large rich violet umbels repeat through summer. Remove spent flowers to encourage more. Full sun and rich, well drained soil. Lightly fragrant and a stupendous cut flower. To 30″ tall and 20″ wide. Deep green foliage and black stems are handsome. Short lived perennial- approximately 3-4 years per plant. Freezes to the ground below 20ºF- resprouts from the base if temperatures never drop below about 10ºF. Often self sows in open disturbed sites- even following hellacious winters that compromise the parent plant. Best in rich, soil that drains, double dig the soil to incorporate oxygen into the root zone and allow water to penetrate deeply.  Light summer water- extends bloom. If you cut the main bloom on each stem- and it will last for 10+ days in a vase, the sides of the plant will erupt in further bloom  and continue to autumn. Loved by butterflies who find an accommodating landing pad and copious amounts of nectar filled flowers. Iberian peninsula  and mediterranean.

 

 

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