Phlox divaricata 'Blue Moon' (Woodland Phlox) - Plugs

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Woodland phlox is a beautiful Spring wildflower found in rich, moist woods across eastern North America.  Woodland phlox blooms in early spring, shortly after the first spring ephemeral wildflowers, usually mid- to late-April here in Indiana.  The plants grow 12-18 inches tall, depending on seed source, and the flowers range from almost pure white to light purple, with some exceptionally rich sky-blue varieties.

'Blue Moon' creeping phlox is a selection from the New England Wildflower Society, selected by Bill Cullina during his time as the nursery manager at Garden in the Woods in Framingham, MA.  'Blue Moon' grows to about 18 inches tall, with full, deep blue flowers atop strong, wiry stems.  The plants are remarkably tough and vigorous, holding up well in droughts and heat, as well as bitter cold winter temperatures.  'Blue Moon' is also strongly fragrant, with a spicy floral aroma that fills the garden.


Woodland phlox is a good filler in woodland gardens - Planted in drifts, the clumps flower fully in both part sun and heavy shade.  Woodland phlox doesn't disappear in the summer like many spring wildflowers, so it is a good foliar filler for the summer woodland garden.  The clumps usually send out a flush of short growth in the Fall, which give rise to the blooms the next Spring.

Woodland phlox mixes well with other spring-blooming wildflowers and ferns.  Take advantage of 'Blue Moon's rich blue color by offsetting it with yellow Celandine poppy (Stylophorum diphyllum), or the clumping varieties of Foamflower (Tiarella cordifolia var. collina).

How to Grow Woodland Phlox

Woodland phlox is one of the easiest spring wildflowers to grow, and 'Blue Moon' is possibly the most vigorous variety.  Woodland phlox can be susceptible to powdery mildew, although 'Blue Moon' seems to be fairly resistant.  Plant in shade to part sun - Planted in a spot with strong morning sunlight, the plants will be covered in blooms.  Woodland phlox does best in moist woodland soils rich in organic matter, although the drifts at the nursery have done very well in dry clay loam at the top of a hill.

One side note - If you have a lot of rabbits in your area, you may have to protect the plants over the winter.  Rabbits will chomp Phlox off clear to the ground, sometimes even chewing into the crowns just below the surface of the soil!

Our Woodland Phlox quart pots will establish quickly.  Plant in Autumn for blooms the following Spring; if purchased in the Spring, the plants may have already bloomed for the year.


Common Name: Blue Moon Woodland Phlox
Botanical Name: Phlox divaricata 'Blue Moon'