60 - 80 cm
from June until fall
sun - part shade
average, moist, well drained
acid - neutral - alkaline
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.
Division in spring.
Seed - sown in February - March.
Seed just covered and stored at 20°C (68°F) until germination, which can be slow.
Hardy and easy to grow. Can self seed a little. Needs staking.