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An easy to grow and virtually maintenance-free variety, producing tall flower spikes ranging from pink-violet to purple, massed over a mound of fresh green foliage; makes an ideal garden accent, great in rock gardens.
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Plant Height: 24 in.
Spread: 15 in.
Plant Form: over mound
Summer Foliage Color: forest green
Minimum Sunlight: partial shade
Maximum Sunlight: full sun
Spike Speedwell has masses of beautiful spikes of pink flowers with purple overtones rising above the foliage from early to late summer, which are most effective when planted in groupings. Its narrow leaves remain forest green in color throughout the year. The fruit is not ornamentally significant.
Spike Speedwell is a dense herbaceous evergreen perennial with tall flower stalks held atop a low mound of foliage. Its relatively fine texture sets it apart from other garden plants with less refined foliage. This is a relatively low maintenance plant, and should only be pruned after flowering to avoid removing any of the current season's flowers. It is a good choice for attracting butterflies to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. It has no significant negative characteristics. Spike Speedwell is recommended for the following landscape applications; Mass Planting Rock/Alpine Gardens Border Edging General Garden Use Groundcover Container Planting
Planting & Growing
Spike Speedwell will grow to be about 24 inches tall at maturity extending to 3 feet tall with the flowers, with a spread of 15 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 12 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 8 years. This plant does best in full sun to partial shade. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is not particular as to soil pH, but grows best in sandy soils, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. This species is not originally from North America. It can be propagated by division. Spike Speedwell is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.