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Iron Butterfly Foamflower
Tiarella 'Iron Butterfly'
Iron Butterfly Foamflower flowers
(Photo courtesy of NetPS Plant Finder)
Plant Height: 6 inches
Flower Height: 12 inches
Spacing: 10 inches
Hardiness Zone: 4a
Iron Butterfly Foamflower has masses of beautiful spikes of lightly-scented white star-shaped flowers rising above the foliage from mid spring to mid summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its attractive deeply cut lobed leaves remain forest green in color with prominent dark brown stripes throughout the year. The fruit is not ornamentally significant.
Iron Butterfly Foamflower is an herbaceous evergreen perennial with tall flower stalks held atop a low mound of foliage. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.
This is a relatively low maintenance plant, and is best cleaned up in early spring before it resumes active growth for the season. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.
Iron Butterfly Foamflower is recommended for the following landscape applications;
Planting & Growing
Iron Butterfly Foamflower will grow to be only 6 inches tall at maturity extending to 12 inches tall with the flowers, with a spread of 12 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 10 inches apart. Its foliage tends to remain low and dense right to the ground. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years.
This plant does best in partial shade to shade. It requires an evenly moist well-drained soil for optimal growth. It is particular about its soil conditions, with a strong preference for rich, acidic soils. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider covering it with a thick layer of mulch in winter to protect it in exposed locations or colder microclimates. This particular variety is an interspecific hybrid. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.
Iron Butterfly Foamflower is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a mass of flowers and foliage against which the larger thriller plants stand out. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.