Sisyrinchium 'Lucerne' 2 Ltr pot

Planting Sisyrinchium ‘Lucerne’

Sisyrinchium ‘Lucerne’ is a charming, clump-forming perennial with slender, grass-like foliage and delicate star-shaped blue flowers with yellow centres. It is perfect for adding light texture and soft colour to borders, gravel gardens, and containers.

Choosing the right position

• Prefers full sun for best flowering
• Will tolerate light partial shade, though flowering may be reduced
• Ideal for borders, rockeries, and gravel gardens
• Works well in naturalistic or prairie-style planting
• Choose a sheltered spot protected from strong winds

Soil requirements

• Thrives in well-drained soil
• Prefers light, sandy or loamy soils
• Does not tolerate heavy, waterlogged conditions
• Suitable for neutral to slightly acidic soils
• Improve drainage with grit or sand if needed

How to plant

• Dig a hole twice the width of the root ball and similar depth
• Position the plant so the crown sits level with the soil surface
• Backfill with soil and firm gently
• Water thoroughly after planting
• Space plants around 25–30cm apart
• Apply a light mulch to retain moisture

Planting in containers

• Use a pot with good drainage holes
• Fill with a free-draining compost mix
• Choose a container that allows for clump expansion
• Water well after planting and allow excess water to drain
• Place in a sunny position

Ongoing Care and Maintenance

Sisyrinchium ‘Lucerne’ is easy to grow and requires minimal maintenance once established.

Watering

• Water regularly during the first growing season
• Once established, it is moderately drought tolerant
• Water during prolonged dry spells
• Container-grown plants require more frequent watering
• Avoid overwatering, especially in cooler conditions

Feeding

• Apply a light, balanced fertiliser in spring
• Avoid excessive feeding, which can lead to weak growth
• Plants perform well in moderately fertile soils
• Container plants may benefit from occasional liquid feeding

Pruning and tidying

• Remove spent flowers to encourage continued blooming
• Trim back faded flower stems to keep the plant tidy
• Remove any dead or damaged foliage as needed
• Cut back old growth in early spring before new shoots appear

Mulching

• Apply a light mulch in spring
• Helps retain moisture and suppress weeds
• Improves soil structure over time
• Keep mulch away from the crown

Seasonal Care and Common Issues

With the right conditions, Sisyrinchium ‘Lucerne’ will provide delicate colour and texture from late spring into summer.

Seasonal performance

• Produces star-shaped blue flowers from late spring to early summer
• Flowers open in sunlight and may close in dull weather
• Forms neat clumps of grass-like foliage
• Adds a light, airy effect to planting schemes

Winter care

• Hardy in mild climates but may need protection in colder areas
• Foliage may die back or become untidy in winter
• Cut back old growth in early spring
• Ensure soil is well-drained to prevent winter damage

Common problems

• Root rot can occur in poorly drained or waterlogged soil
• Plants may become short-lived in heavy soils
• Poor flowering may result from lack of sunlight
• Generally pest-free and low maintenance
• Clumps may need dividing every few years to maintain vigour

Sisyrinchium ‘Lucerne’ is a delicate and attractive perennial that brings subtle colour and fine texture to the garden. Its compact habit makes it ideal for borders, containers, and rockeries. With well-drained soil, a sunny position, and minimal care, it will thrive and provide a graceful display year after year.

• Size
  2 Ltr pot

We currently only deliver within the island of Ireland, other countries can be quoted for by contacting [email protected] or via telephone on 06964084
 

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All standard deliveries will be completed within 5-7 working days via Fastway Couriers, any delay to this delivery time, the customer will be notified by One of our staff.

The in-Store delivery charge will vary compared with online, in-store delivery charge is done on a case by case basis. 

* Only mainland Ireland addresses qualify for free delivery.
 

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Our live plants are packed with care and diligence by our staff, our horticulturists review each plant before despatch to ensure quality is maintained.
Live Plant delivery charges are not calculated on weight but on the space required per package to ensure safe delivery, so delivery charges may vary as some plants require more space than others when packed.
All live plants are despatched within 3-5 working days where possible, our couriers aim to deliver within 48 hours of despatch from our Garden Centre to allow the plant to arrive in healthy condition.
 

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