Polemonium 'BRESSINGHAM PURPLE' Jacob's ladder
size/type
low or groundcovering,mid-sized perennial
usual height
0,3-0,4m
usual width
0,3-0,4m
leaves
deciduous broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
May-July
location
full to partial sun
soil type
any (acidic to alkaline)
soil moisture requirements
evenly moist (dislikes drought)
USDA zone (lowest)
4 (down to -34°C)
winter protection
for zone 5+6
for zone 7
categorized
Jacob’ ladder is our native, Central European, hardy perennial which can be found also in Northern Europe, Northern Asia and North America. It belongs to the same family as phlox (Polemoniaceae) and its flowers offer a very nice shade of blue on medium-tall stems in early summer.
Description of the plant:
Bressingham Purple is a rather compact and profusely flowering variety of Jacob’ ladder with dark leaves. From late May or early June appear about 2 cm wide, 5-petalled flowers atop 30-40 cm tall fleshy stems. The flowers are purple-blue with striking yellow anthers. There are many of them and they open gradually (depending on the strength and age of the plant) for up to two months. The leaves are fern-like, pinnate, dark green with a deep maroon hues. They resemble yarrow leaves, which is perhaps why the plant is called Jacob's ladder in English and German, which according to the biblical story is supposed to lead to heaven. After flowering, we recommend removing the stems and the plant will form a neat clump of attractive leaves.Jacob’ ladder is naturally found in moist, sometimes even wet meadows, but you can also find it in a sunny clearing, where at the peak of summer without enough rain it can lose above ground leaves and stems, becoming dormant in the ground until late summer. With good precipitation it is capable of making new leaves again in the same season, otherwise it will re-emerge in spring. In gardens, it is a maintenance-free perennial as long as you grow it in evenly moist and reasonably fertile soil. You can grow it in the sun or in partial shade, it will even bloom in the shade, but it will not be very compact there. It has no demands as to soil pH and does not weed around. Very hardy to approx. -34 °C and suitable for outdoor containers.
Last update: 26-05-2024
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
