A Florist's Guide to Liatris Varieties
Liatris, commonly known as blazing star or gayfeather, is a genus of flowering plants belonging to the Asteraceae family. Renowned for its unique flowering spikes and vibrant colours, Liatris is a popular choice among florists for both garden arrangements and bouquets. Here’s an overview of some notable Liatris varieties, their characteristics, and care tips.
1. Liatris spicata (Dense Blazing Star)
Description: This species features tall, dense flower spikes that bloom with small purple flowers, attracting pollinators. Its height, typically reaching 60-90 cm, makes it an excellent choice for back borders or as a focal point in arrangements.
Bloom Time: Late summer to early autumn.
Care: Prefers well-drained soil and full sun. Drought-tolerant once established.
2. Liatris pycnostachya (Prairie Blazing Star)
Description: Native to the grasslands of North America, this variety has longer flower spikes and wider foliage. It boasts pinkish-purple flowers and can grow up to 90 cm in height.
Bloom Time: Mid to late summer.
Care: Thrives in full sun and tolerates dry conditions. It’s suitable for wildflower gardens.
3. Liatris aspera (Rough Blazing Star)
Description: This variety stands out with its narrower spikes adorned with dense clusters of pinkish-purple flowers. It typically grows between 60-90 cm tall and features rough-textured leaves.
Bloom Time: Late summer to early autumn.
Care: Prefers dry, sandy soils and full sun. It is resistant to deer and drought.
4. Liatris ligulistylis (Meadow Blazing Star)
Description: The Meadow Blazing Star is notable for its striking cylindrical flower clusters that can be bright purple or sometimes white. It generally reaches heights of 60-100 cm.
Bloom Time: Late summer.
Care: Requires moist, well-draining soil and full sun to partial shade. This variety is excellent for naturalised settings.
5. Liatris scariosa (Sky Blue Blazing Star)
Description: Known for its unique blue-purple flowers, this species is less common but highly prized for its vibrant colour. It can grow 30-60 cm tall and has a more compact growth habit.
Bloom Time: Mid-summer to early autumn.
Care: Prefers well-drained soil and can tolerate partial shade. It is suitable for container arrangements.
General Care Tips for Liatris
Planting: Liatris bulbs should be planted in the spring or autumn, approximately 10-15 cm deep and spaced about 15-30 cm apart.
Watering: While establishing, water regularly but avoid waterlogging. Once established, Liatris is drought-tolerant.
Fertilising: A balanced fertiliser can be applied in early spring to promote robust growth, but excessive fertilisation is not recommended.
Pruning: Deadheading spent flowers encourages new blooms and prolongs the flowering period.
Hong Kong florist guide
Liatris is a versatile and stunning addition to any floral arrangement. Its tall spikes and vibrant colour make it ideal for adding height and texture to bouquets. By understanding the different varieties and their care requirements, florists can ensure these beautiful blooms thrive and complement any occasion beautifully.
