Campanula glom. 'Genti Blue'

Planting Campanula glomerata ‘Genti Blue’

Campanula ‘Genti Blue’ is a compact, clump-forming perennial with rich violet-blue, bell-shaped flowers held in dense clusters. It is perfect for adding strong colour to borders, cottage gardens, and containers during early summer.

Choosing the right position

• Prefers full sun to partial shade
• Flowers best in a sunny or lightly shaded position
• Ideal for borders, edging, and container planting
• Works well in cottage and pollinator-friendly gardens
• Choose a position with good air circulation

Soil requirements

• Thrives in well-drained, moderately fertile soil
• Prefers neutral to slightly alkaline conditions
• Suitable for loamy, sandy, or light clay soils
• Tolerates a range of conditions if well-drained
• Avoid very wet or poorly drained soil

How to plant

• Dig a hole twice the width of the root ball and similar depth
• Position the plant so the crown is level with the soil surface
• Backfill with soil and firm gently
• Water thoroughly after planting
• Space plants around 30–40cm 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 slightly larger than the root ball
• Water well after planting
• Place in a sunny or lightly shaded position

Ongoing Care and Maintenance

Campanula ‘Genti Blue’ is easy to grow and requires minimal maintenance once established.

Watering

• Water regularly during the first growing season
• Keep soil moderately moist but not waterlogged
• Once established, it tolerates short dry periods
• Container plants require more frequent watering
• Avoid prolonged dry conditions for best flowering

Feeding

• Apply a balanced fertiliser in spring
• Mulch annually with compost or organic matter
• Avoid excessive feeding, which can lead to floppy growth
• Container plants may benefit from occasional liquid feeding

Pruning and deadheading

• Deadhead spent flowers to encourage further blooms
• Cut back after flowering to promote a second flush
• Remove any damaged or weak stems
• Trim to maintain a compact shape

Mulching

• Apply mulch in spring to retain moisture
• Helps suppress weeds and improve soil structure
• Keep mulch away from the base of the plant

Seasonal Care and Common Issues

With proper care, Campanula ‘Genti Blue’ will provide a vibrant and reliable display.

Seasonal performance

• Produces dense clusters of deep blue flowers in early to mid-summer
• Compact growth makes it ideal for front-of-border planting
• Attractive to bees and pollinators
• May produce a second flush if cut back after flowering

Winter care

• Fully hardy and dies back in winter
• Cut back in autumn or leave for winter interest
• Regrows in spring
• Ensure soil remains well-drained during winter

Common problems

• Can spread gradually, forming clumps over time
• May become leggy if grown in too much shade
• Slugs and snails may damage young growth
• Root rot can occur in poorly drained soil
• Generally pest and disease resistant

Campanula glomerata ‘Genti Blue’ is a compact and colourful perennial that brings bold blue tones to the garden. Its easy-care nature and pollinator-friendly flowers make it a great choice for borders and containers. With a sunny or lightly shaded position and well-drained soil, it will thrive and provide a bright display year after year.

• Latin name
  Campanula glom. 'Genti Blue'

Kindly be aware when mix/ mixed/ assorted/ varieties is mention you will receive ONLY ONE plant/ item, which will be selected for delivery, photos may show different varieties available - which may also vary 

 
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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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