What Is the Ideal Temperature Range for Philadelphus × polyanthus?
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Philadelphus × polyanthus · Philadelphus × polyanthus
Grow in moist, well drained soil in sun to partial shade. Plant bare root plants in winter when the ground is not frozen or waterlogged. Incorporate lots of well-rotted manure or garden compost to improve the soil and water in well. Mulch in spring
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