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Planting Instructions for Oenothera missouriensis (sundrops, Missouri primrose):

Bloom Time:  Summer Light:  Full sun to part shade
Soil:  Average to rich, well-drained Moisture:  Average, drought tolerant
Planting Depth:  With top of root 1/2" to 1" below soil level Spacing: 15 - 18"

Upon arrival:  Unpack box and check that you have everything on your packing list. Bare root Oenothera should be dry but firm when dormant. If condensation has formed on the inside of the bag, open and let it air out then close it again. Plant everything within a few days.

Soil/Location:  Plant your Oenothera in full sun to part shade in any good, well-draining soil. They are very drought tolerant and work well in rock gardens or in raised beds. Missouri primrose is great as a border plant or cascading over rocks or ledges.

Moisture:  Oenothera will grow in almost any conditions other than extremely wet. Give them good, well-draining soil with occasional water if needed to keep them from wilting.

Spacing:  Plant about 15 to 18" apart.

Depth:  Plant with the top of the tap root about 1/2" to 1" below soil level and then mulch lightly. After planting and watering in the roots and crown should not be showing.

General Instructions:  Amend your garden with compost or peat humus to enrich or loosen the soil, if needed, however Oenothera is very adaptable to any good, well-draining soil. Mix a couple teaspoons of garden food or bone meal into the planting hole if desired, digging deep enough to plant the carrot-like roots vertically without coiling or breaking the roots. After planting you can water in once and then they prefer a bit of a dry start when they are dormant in spring and have no sprouts. They won't need much water after sprouting except during extreme drought.

Landscape Uses:  The bright yellow sundrops look nice with other drought tolerant summer perennials such as catmint (Nepeta), Russian sage (Perovskia), yarrow (Achillea), Echinacea, and ornamental grasses.

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

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