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Royal Candles Speedwell flowers
Royal Candles Speedwell flowers
Plant Height: 12 inches
Flower Height: 16 inches
Spacing: 10 inches
Sunlight: 
Hardiness Zone: 2b
Other Names: Spike Speedwell, Ironweed
Ornamental Features
Royal Candles Speedwell has masses of beautiful spikes of royal blue flowers rising above the foliage from early to mid summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its narrow leaves remain forest green in colour throughout the season. The fruit is not ornamentally significant.
Landscape Attributes
Royal Candles Speedwell is a dense herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.
This plant will require occasional maintenance and upkeep, and is best cleaned up in early spring before it resumes active growth for the season. 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.
Royal Candles Speedwell is recommended for the following landscape applications;
Planting & Growing
Royal Candles Speedwell will grow to be about 12 inches tall at maturity extending to 16 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 dense right to the ground, not requiring facer plants in front. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years.
This plant does best in full sun to partial shade. It is very adaptable to both dry and moist locations, and should do just fine under typical garden conditions. 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 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 division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.