Penstemon trimmings removed in April from overwintered plants, shortened, clean cut beneath leaf node and kept in 2" of luke warm water in my shed/glasshouse. Photo shows extent of root fomation after 5 weeks.
15 May, 2008
Good tip.
15 May, 2008
Thanks for showing this.
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Norfolk UK
15 May, 2008
Thats great Robin now uv even more Penstemons :)