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Irish Mist Shamrock
Oxalis regnellii 'Irish Mist'
Irish Mist Shamrock flowers
(Photo courtesy of NetPS Plant Finder)
Height: 12 inches
Spacing: 10 inches
Hardiness Zone: 6b
Other Names: Wood Sorrel, False Shamrock
Rich green foliage with white spots during cooler weather; dotted with dainty white flowers rising up in spring; interesting foliage opens and closes throughout the day; pair this up with contrasting colors for big impact
Irish Mist Shamrock's attractive fan-shaped leaves remain green in color with distinctive white spots throughout the season on a plant with a mounded habit of growth.
Irish Mist Shamrock is a dense herbaceous perennial with a mounded form. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.
This is a relatively low maintenance plant, and may require the occasional pruning to look its best. 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.
Irish Mist Shamrock is recommended for the following landscape applications;
Planting & Growing
Irish Mist Shamrock will grow to be about 12 inches tall at maturity, 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 dense right to the ground, not requiring facer plants in front. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!
This plant does best in full sun to partial shade. It is very adaptable to both dry and moist growing conditions, but will not tolerate any standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This is a selected variety of a species not originally from North America. It can be propagated by multiplication of the underground bulbs; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.
Irish Mist Shamrock 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 canvas of foliage against which the 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.