Symphyotrichum lanceolatum: complete guide

Overview

Symphyotrichum lanceolatum, known as narrow-leaf Michaelmas daisy, is a beautiful North American wildflower belonging to the Asteraceae family. This ornamental produces numerous small flowers blooming from August to November. The plant grows wild from Canada to Mexico and is increasingly popular in European gardens.

Appearance and Bloom

Narrow-leaf Michaelmas daisy is an upright perennial with slender, lance-shaped leaves giving it characteristic name. The plant reaches 60-120 centimeters height. In autumn, numerous small flowers appear with white or very light blue ray florets and yellow disc florets. The blooming period is long, typically August to November.

Ideal Location

Position Symphyotrichum lanceolatum in sunny location with at least six hours direct sunlight. The plant grows well in open garden landscapes. It accepts partial shade but blooms richer in full sun. The plant is wind-resistant and suitable for exposed locations.

Soil

Narrow-leaf Michaelmas daisy makes reasonable soil demands. It grows on virtually all soils from sand to clay. Preference for dry to normally moist, well-draining soil. Strongly wet terrain is not well tolerated. pH may be acidic to neutral.

Watering

Watering is minimal needed after plant establishment. During growth periods water regularly. Mature plants tolerate drought well. In very dry periods, occasional watering can be useful. Avoid waterlogging.

Pruning

Cutting back in June stimulates compact growth and denser flowering. Remove spent flowers for extended blooming period. In autumn through March leave standing for winter silhouette and seed dispersal. Remove only dead parts.

Maintenance Calendar

Plant perennials in spring or autumn. Apply fertilizer in April and May. Cut back in June. Monitor for insect pests minimally. Collect seed in October/November. Rejuvenate aged plants every three to four years.

Winter Hardiness

Symphyotrichum lanceolatum is very winter hardy to minimum -20 degrees Celsius. The plant is suitable for all temperate and cold regions. No protection needed. The plant dies back in winter but returns each year from rootstock.

Companion Plants

Combine narrow-leaf Michaelmas daisy with other fall bloomers like coneflowers, monkshood and asters. Underplant with fall bloomers like chrysanthemums. In wildflower garden pair with native grasses and other asters.

Closing Thoughts

Narrow-leaf Michaelmas daisy is a true fall favorite for European gardens. Its elegant growth, long-lasting bloom and bird value make it essential. Readily available at garden centers. Plant this North American beauty for years of fall glory.

Available at major garden centers throughout Europe.