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Purple Robe Cupflower
Nierembergia scoparia 'Purple Robe'
Purple Robe Cupflower flowers
(Photo courtesy of NetPS Plant Finder)
Height: 8 inches
Spacing: 8 inches
Hardiness Zone: 7b
A fast growing variety that forms a nice carpet of violet-blue blooms all summer; cascades nicely over rocks and walls, and is a nice filler for mixed containers; exhibits good heat tolerance, but does need regular watering
Purple Robe Cupflower has masses of beautiful violet cup-shaped flowers with blue overtones and buttery yellow eyes at the ends of the stems from early summer to early fall, which are most effective when planted in groupings. Its small narrow leaves remain green in color throughout the season.
Purple Robe Cupflower is a dense herbaceous perennial with a mounded form. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.
This plant will require occasional maintenance and upkeep, and should not require much pruning, except when necessary, such as to remove dieback. It is a good choice for attracting bees and butterflies to your yard. It has no significant negative characteristics.
Purple Robe Cupflower is recommended for the following landscape applications;
Planting & Growing
Purple Robe Cupflower will grow to be about 8 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 8 inches apart. Its foliage tends to remain low and dense right to the ground. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 3 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 should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selected variety of a species not originally from North America. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.
Purple Robe Cupflower is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a mass of flowers 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.
This is a tender plant that may require additional winter protection in our area; contact the store for more information.