Answer: Penstemon barbatus is the common Beard-tongue plant. They're perennial plants, hardy from zones 3-7, grow about 36" high and spread about 18".
These spring-flowering plants are semi-evergreen. Provide a warm, sunny growing area with well-draining soil. They will tolerate some shade, but avoid planting them in clay. Flowering is best during cool weather. Remove spent flower spikes as they fade so that additional flowers will be produced.
Propagation is by seed, division or cuttings.
Take softwood cuttings from non-flowering side shoots.
The seed germinates in two to three weeks at temperatures
between 65 and 75 degrees. Division should be done in the
If your plants look pitiful, no doubt it's because of the weather - and the clayey soil. I wonder if they'd do better planted in containers where you can control the drainage a little better? These are hardy plants so they may bounce back from their ordeal. Let's hope so!
Fish emulsion is a good source of nitrogen and is often used on veggies and foliage plants. There shouldn't be any problem using it on your houseplants (although there may be a bit of an odor associated with it at first).
Good luck with your garden!
Q&A Library Searching Tips