Polemonium - Blue
Polemonium (Polemonium Caeruleum Blue) - This perennial flower can be grown from Polemonium flower seeds and has the common name of Jacob's Ladder. The name was inspired by the leaves on the plant which are in successive pairs opposite each other resembling a ladder. It has attractive fern-like foliage that is arched and creates dense mounds from which blue flower spikes protrude upwards.
Polemonium - White
Polemonium (Polemonium Caeruleum White) -This perennial is a cottage garden favorite grown from Polemonium flower seeds. It is also known as Jacob's Ladder, and it is a hardy herb that was used for medicinal purposes for centuries. It is a very attractive plant for a border or bed with moist but well-drained soil. The leaves give the plant its name as they are divided like ladder rungs, and the blooms are cup-shaped and white.