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Jacob's Ladder (Polemonium caerulum) organic
Jacob's Ladder (Polemonium caerulum) organic #0 Jacob's Ladder (Polemonium caerulum) organic #1

Jacob's Ladder (Polemonium caerulum) organic

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3.13 € *
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3.35 € incl. 7.0% VAT
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The Blue Jacob's Ladder is a perennial early summer bloomer for semi-shade locations. Its name refers to a biblical passage in which Jacob dreams of a sky ladder. The feathered, elongated leaves of the blue sky ladder - as it is also called in the
vernacular - remind a little of the rungs of a ladder.

From June the filigree, delicate sky-blue flowers appear, which can rarely be white. They are very rich in nectar and pollen and attract many bees, bumble bees and butterflies. In Germany, the Jacob's ladder is now unfortunately one of the endangered species. It loves nutrient-rich, fresh and humid locations in semi-shade and likes to stand at the edge of the pond or on embankments. But this beautiful perennial should not be missing in the classic cottage garden either. It is an excellent cut flower for the flower vase.

Polemonium caerulum seed, content: approx. 60 Jacob's ladder seeds

Image source:
Robert Flogaus-Faust [ CC BY 4.0], via Wikimedia Commons
Details: Plant description & care
Plant family:
polemoniaceae
Country of origin:
AsiaEuropeNorth America
Plant height approx.:
60 – 80 cm
Flowering time:
JulyJuneSeptember
Flower colour:
Blue
Root system :
Rhizome
Lifecycle :
Perennial
Winter hardiness zone (whz):
7 (–18 bis –12 °c)
Climate:
Moderate
sunlight:
Partially shady
Water requirements:
High
Sowing & cultivation
Indoor pre-culture (seedling stage):
FebruaryMarch
Sowing time outdoors:
May
Sowing depth:
1 cm
Best germination temperature :
16 – 18 °C
Planting distance:
40 – 50 cm
Specialties:
Honey plant
Main harvest:
–
Good intercropping partners:
akelei (aquilegia vulgaris)europäische trollblume (trollius europaeus)frauenmantel (alchemilla mollis)hundskamille (anthemis arvensis)wiesen–iris (iris sibirica)
Perennial for the natural garden. Pre-culture indoors from February or direct sowing outdoors from May. A slight stratification of the seeds can have a stimulating effect on the germination process. Loves semi-shady locations and fresh to moist soils. A pruning after flowering promotes a second flowering phase in autumn.
Other names
Botanical name:
polemonium caerulum
German names:
blaue himmelsleiterblaue jakobsleiterblaues sperrkraut
English names:
greek valerianjacob's ladder
French names:
polémoine bleuevalériane grecqueéchelle de jacob
Spanish names:
escalera de jacobvaleriana griega
Italian names:
polemonio azzurroscala di giacobbevaleriana greca
Details
Item number
POL02-BIO
Brand
Magic Garden Seeds
Group:
Seeds
kultivierungsschwierigkeitsgrad:
Medium
Seed quantity:
60 Pcs.300 Pcs.

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