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What is it? Wild Blue Phlox, also known as Phlox divaricata, woodland phlox, or wild sweet william, is a semi-evergreen, flowering perennial.

Native to where?  It is native to eastern North America.

Hardiness Zone:  Plants are hardy from USDA Hardiness Zones 3 to 8.

What does it look like? The pleasantly fragrant flowers bloom in a variety of pastel colors: blue-lavender, light purple, pink, or white. It grows to a height of 1 to 2 feet tall. The flowers produce nectar at the base of the long, narrow corolla tube, and pollen near the end of the corolla tube.

Bloom Time: It may bloom from March to late May.

Growth Habit: Plants should be spaced 1 foot apart. The plant requires cross-pollination to produce seed.

Growing Conditions: It prefers growing in medium to moist soils of clay, loam, or sand in deciduous forests and fields. It is the perfect phlox for shady or partially shady areas.

Environmental Benefits:  Only butterflies, moths, skippers, and long-tongued bees have long enough tongues to drink the nectar. Short-tongued bees and flower flies are unable to reach the nectar but may gather or feed on pollen.


Image Sources:

By Wilson44691 - Own work, CC0,

By Fritzflohrreynolds - Own work, CC BY-SA 3.0,

Wild Blue Phlox

  • Plant Pickup Day is Saturday, May 18 at Nanny Park, corner of 5th Street and Oak Street in Baraboo, from 9 am to 12 pm. 

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