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Polemonium viscosum 'Blue Whirl'
Sticky Polemonium
Polemoniaceae
Height
50 - 60 cm
Flower colour
blue-violet
Flowering time
July - August
Foliage colour
green
Sunlight
sun - part shade
Soil
humus rich, well drained, moist
pH
acid - neutral - alkaline
Hardiness
limited experience
Plant range
garden variety, the species is native to western N-America
Polemonium is a genus in the Polemoniaceae family. All species are native to temperate regions in the northern hemisphere, except one species that grows in the southern Andes.
Propagation:
Division in spring.
Seed - sown in February - March.
Seed just covered and stored at 20°C (68°F) until germination, which can be slow.
A tall perennial with violet-blue flowers, very similar to P. caeruleum.
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