Tiarella
( tye - ar - RELL - uh )
At-A-Glance InformationTiarella, commonly called Foamflower or Sugar-Scoop, needs partial to full shade and regular water for best performance. They form clumps 1.5 feet tall and a little wider, and spread by rhizomes or above-ground runners. They are evergreen, though foliage changes color in fall. Flower stems carry small white or pink flowers. Foamflower is useful in shade gardens, and they also make delicate groundcovers in areas that do not get any foot traffic.
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Tiarella Species and Varietals
Foamflower growing zones vary depending on the species. For more information, see the descriptions below. To find your zone, click here: Zone Map.
Tiarella cordifolia (Foamflower) This species grows in zones A3, 1-9 and 14-24 and is native to eastern North America. Leaves are light green and turn red and yellow in fall. Flowers are cream colored and bloom on foot-high flower stems. Varieties include 'Oak Leaf' (with deeply lobed leaves and pink flowers) and 'Running Tapestry' (with deeply lobed leaves and dark purple to maroon veining). |
Tiarella Selections and Hybrids
This group of Tiarella grows best in zones 1-9 and 14-21; they are described below.
This group of Tiarella grows best in zones 1-9 and 14-21; they are described below.
Tiarella trifoliata unifoliata (Tiarella unifoliata) (Sugar-Scoop, Western Foamflower) Best in zones A3, 1-7 and 14-17, this species is native to Alaska down to California and east to the Rocky Mountains. Leaves are dark green and divided, and flowers are white and bloom on 1.5 foot tall stems followed by fruits that look like scoops of sugar. |
Caring for Tiarella
Propagation
Problems and Pests
Gallery
Videos
A video all about growing camellias successfully
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Propagating camellias
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Resources
The New Sunset Western Garden Book: The Ultimate Gardening Guide (2012) - Page 630, Tiarella
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