£7.99 Penstemon 'Dark Towers' - 2Ltr
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Originating from South and East USA
A recently introduced hybrid with rich dark purple leaves. Upright stems bearing panicles of pink/white flowers are produced in summer. New plant introductions come and go at an alarming rate, but this superb recent introduction is surely here to stay. It remains evergreen throughout winter - even 2010/11 in a pot!
Grow in moist but well-drained soil in full sun.
Eventual mature plant size :