Polemonium caeruleum - Jacob's Ladder

Jacob's Ladder

Polemonium caeruleum

Also called Greek Valerian

  • Upright clump-forming habit
  • Cup-shaped flowers droop in loose clusters
  • Blue flowers have contrasting yellow stamens
  • Mid-green leaves are made up of many lance-shaped leaflets
  • Bloom Time: Early to midsummer
  • Flower Height: 75 cm
  • Foliage Height: 50 cm

ZONE:
2

COLOUR:
Blue

HEIGHT:
45-50 cm

SPREAD:
50-60 cm

Currently Unavailable
Substitutions Are Available
×

Growing and Maintenance Tips:


Naturalizes (self-seeds) in optimum growing conditions. Grows best in an average to moist, cool soil in partial sun and in a location protected from hot afternoon sun. Deadheading will promote sporadic blooms throughout the summer and into September. 

Characteristics & Attributes


GROWTH RATE:
Medium
FLOWERING TIME:
Summer
HABIT:
Clumping
Upright
FOLIAGE COLOR:
Green

THESE PLANTS ARE

suitable substitutions for Polemonium caeruleum