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Polemonium caeruleum

Jacob's Ladder is a heavy flowering, hardy perennial which produces pendulous clusters of 1 inch, cup-shaped flowers on 1.5-2 foot stems beginning in spring, or early summer. Flowers attract butterflies and are excellent for cutting.

Lush, fern-like leaves are divided like rungs of a ladder. Jacob's Ladder brings a tropical look to shaded gardens.

Blue Pearl jacob's ladder seeds. Sky blue flowers are outstanding for cutting. Flowers first year. Perennial Seeds PR00915

BLUE PEARL Jacob's Ladder Seeds

Azure-blue flowers bloom the first year when plants started early. Grows to 2-2.5 feet tall. Winter hardy to zone 2.

100 Seeds: $1.99 QTY:
White Pearl jacob's ladder seeds - Garden Seeds - Perennial Seeds PR00917

WHITE PEARL Jacob's Ladder Seeds

Pure white flowers the first year on 24-30 inch tall plants. Winter hardy to zone 2.

How to Plant JACOB'S LADDER Seeds

Sow Jacob's Ladder seed in cell packs or flats, press into soil and lightly cover. Kept at 70° F., germination averages 25 days. Can direct sow Jacob's Ladder into prepared seed beds, in groups of 3-4 seeds spaced 12-18 inches apart. Thin to the strongest plant. See Starting Seeds for more information.
Comments: Jacob's Ladder plants prefer afternoon or filtered shade, will tolerate deep shade. Best performance in rich, moist soil in moderate summer climates. Not adapted to the high heat and humidity of the deep South. Grow Jacob's Ladder in cottage gardens with Balloon Flowers, Columbines and foxgloves or in shaded borders with ferns, Astilbes and Hostas. Cut Jacob's Ladder back hard after flowering, this keeps plants neat, and encourages repeat bloom. Flowers attract butterflies. Jacob's Ladder plants are rabbit and deer resistant.

Polemonium caeruleum illustration, circa 1829.