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Planting Instructions for Polemonium (Jacob's ladder):

Bloom Time:  Late spring/early summer Light:  Part sun to part shade
Soil:  Humus-rich and well-draining Moisture:  Average to moist but never wet
Planting Depth:  1" deep, mulch lightly Spacing: 15 - 18"

Upon arrival:  Unpack box and check that you have everything on your packing list. If condensation has formed on the inside of the bag, open and let it air out slightly. Plant everything within a day or two of arrival.

Soil/Location:  Plant Polemonium in part sun to part shade in humus-rich, well-draining soil. They work well in morning or late evening sun and appreciate a little shade during the heat of the day. Add compost or peat humus to enrich and loosen the soil, if needed. Remember to keep the soil light and airy for perennials, so cover the plant with a layer of loose soil and don't pack the soil in after planting.

Moisture:  Polemonium is tolerant of a wide range of conditions so long as they are not wet. Average moisture is alright and they are fairly drought tolerant once established. Water deeply if they wilt but then allow the soil to dry out a little before watering again.

Spacing:  15 to 18" apart

Depth:  Plant your Jacob's ladder with the crown about 1" below soil level and then mulch lightly after planting. The roots should not be showing after planting and watering them in lightly.

General Instructions:  Enrich your garden with compost or peat humus, as needed, and mix a couple teaspoons of garden food or bone meal into the planting hole. Plant the roots at the depth listed, then water in lightly. Polemonium prefer a slightly dry start so we only water them in once and then wait for their foliage to start growing. Once they are actively growing it is alright to give them supplemental water as needed to keep them from wilting, but once established they are fairly drought tolerant.

Landscape Uses:  Jacob's ladder looks great when planted in groups in the semi-shaded woodland garden with ferns, hostas, Astrantia, and Heuchera.

 
 
Hallson Gardens
PO Box 220
Brooklyn, MI 49230
517-592-9450

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