Tiarella cordifolia, or foam flower

One of my favorite spots at Longwood Gardens is Peirces’ Woods, where under the towering trees is a sea of foam flower or Tiarella. Blooming for six weeks in may the white flowers tower over greening foliage swaying with the wind and are a buzz for the pollinators. With dark veins the foliage is heart shaped to deeply lobed depending on the cultivar.
As a native plant you can find it in Missouri to Georgia and from Alabama to Nova Scotia. so you know it will live where you are. Zones 3-8 is a big area for Tiarella to swim in under your trees. Try Tiarella in mixed containers and among your perennials.Tiarellas don’t mind those large surface roots of trees. Use less mulch and move the lawn away from the base of the trees by using Tiarella. Using Tiarella can save your trees from lawn mower ramming and string trimmer waking damage, and mulch mounding atrocities!
My favorite cultivar, right now anyway, is Susquehanna. It is one of The River Series, breed by Sinclair Adams.I like the bold dark veins in the star shaped green leaves, plus I like its durability in a hot greenhouse.
The River Series are named after eastern Pennsylvania rivers Delaware, Brandywine, Lehiegh, Octoraro and Susquehanna. they are running types of Tiarella. Another good one that is a runner in Running Tapestry. creating a tapestry in our yards is what its all about isn’t it?
clump forming ones are Oakleaf and Wherryi


Perennial plant propogator for Creekhill nursery. Over 40 years of experience with lots of plants from foliage, cut flowers, seasonal potted plants, annuals and perennials. A plant geek and nerd, i am

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February 2012
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