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botanical name:
Salvia patens 'Cambridge Blue'
Salvia patens 'Cambridge Blue' © Deeproot Plant Base
common name:  Gentian sage
family:  Lamiaceae
characteristics: perennial
height: 0.60m
width: 0.45m
growth rate: fast
growth habit: erect
leaf colour: green
flower colour: light blue
main season: Summer
aspect: full sun
conditions: dry soil, moist soil, sandy soil
preferred soil pH: any
minimum temp: -5°C
USDA zone: 5 to 10
Tuberous perennial, often grown as an annual, with brittle, erect, branched stems of angular, toothed, hairy, mid-green leaves.
This form has pale blue flowers during summer.

Tubers may be lifted and stored, like a Dahlia, for the winter.

From seed.

other notes:
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