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botanical name:
Penstemon 'Red Sea'
Penstemon 'Red Sea' © Deeproot Plant Base    view larger image
family:  Plantaginaceae
characteristics: perennial, semi-evergreen
height: 0.75m
width: 0.50m
growth rate: medium
growth habit: clump
leaf colour: green
flower colour: red
stem/bark: red & green
main season: Summer
aspect: full sun, part shade
conditions: moist soil
preferred soil pH: any
minimum temp: -12°C
USDA zone: 8 to 9
Bushy semi-evergreen growth and spikes of tubular, red flowers with white throats.

Moderately fertile, well drained soil in full sun or partial shade. Apply a mulch before winter. Very wet conditions in winter may cause crown rot.
Dead-head after flowering. Cut back in late winter to tidy plants.

From cuttings. Non-flowering tip cuttings taken in late summer or early autumn are best, keep frost free over winter.

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