Definition of penstemon in English:
A North American plant with stems of showy flowers resembling snapdragons.
- Genus Penstemon, family Scrophulariaceae
- From mid-June through July, you should see profuse wildflowers, from the dainty, lavender pasque flowers to penstemons in shades of blue and purple.
- Take heel cuttings from ceanothus, penstemons, lavenders, santolinas and philadelphus.
- All very well is the advice to cut back decaying and gone-over plants, but my penstemons, rudbeckia, etc are still nice and green.
Definition of penstemon in:
- US English dictionary