AGAPANTHUS BLACK MAGIC

Planting Agapanthus ‘Black Magic’

Agapanthus ‘Black Magic’ is a striking, modern variety known for its deep, almost black buds that open into rich, dark purple flowers. It adds bold contrast and architectural interest to borders and containers, making it a standout summer plant.

Choosing the right position

• Prefers full sun for best flowering and colour intensity
• Needs a warm, sheltered location
• Ideal for borders, patios, and containers
• Performs well in coastal gardens
• Avoid cold, exposed, or frost-prone sites

Soil requirements

• Thrives in well-drained soil
• Prefers moderately fertile soil
• Suitable for sandy or loamy soils
• Does not tolerate heavy, waterlogged conditions
• 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 just above soil level
• Backfill with soil and firm gently
• Water thoroughly after planting
• Space plants around 40–60cm apart
• Apply a light mulch to retain moisture

Planting in containers

• Use a large pot with good drainage holes
• Fill with a loam-based, free-draining compost
• Agapanthus prefer slightly restricted roots, so avoid overpotting
• Water well after planting
• Place in a sunny, sheltered position

Ongoing Care and Maintenance

Agapanthus ‘Black Magic’ is low maintenance and will reward with strong flowering when given the right care.

Watering

• Water regularly during the growing season
• Keep soil moderately moist but not wet
• Once established, it is fairly drought tolerant
• Container plants require more frequent watering
• Reduce watering in winter

Feeding

• Apply a balanced fertiliser in spring
• Use a high-potash feed during the growing season to encourage flowering
• Container plants benefit from regular liquid feeding
• Avoid excessive nitrogen, which can lead to leafy growth

Pruning and tidying

• Remove spent flower stems after blooming
• Cut back any yellowing or damaged leaves
• Tidy foliage to maintain appearance
• Divide clumps every few years if overcrowded

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 care, Agapanthus ‘Black Magic’ will provide dramatic colour and structure throughout summer.

Seasonal performance

• Produces deep purple flowers from near-black buds in summer
• Strong, upright stems provide excellent structure
• Ideal for borders, containers, and cut flowers
• Adds bold contrast to planting schemes

Winter care

• Hardy in mild climates but may need protection in colder areas
• Apply mulch around the base in autumn
• Protect crowns from frost and excessive winter wet
• Container plants should be moved to a sheltered position

Common problems

• Poor flowering may result from lack of sun or overfeeding
• Root rot can occur in poorly drained soil
• Plants may fail to flower if planted too deeply or overpotted
• Slugs may damage young shoots
• Leaves may yellow if overwatered

Agapanthus ‘Black Magic’ is a bold and elegant perennial that brings dramatic colour and strong structure to the garden. Its dark buds and rich flowers make it a standout choice for modern and traditional planting alike. With a sunny position, well-drained soil, and simple care, it will thrive and provide a stunning display year after year.

• Size
  3 lt

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

Standard Delivery is FREE on orders over €250*

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.
 

Live Plants Delivery

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.
 

Click & Collect

Can’t wait for delivery? Why not try our FREE Click & Collect service? Simply make your purchase online and collect it from our store located in Croagh Co. Limerick. Our staff will contact you by phone when your order is ready for collection (Please allow 24 hours minimum). When collecting your item, call the store on 069-64084. We will then load into your car as required. This service is available in-store 9am – 6pm Monday – Saturday (No collections on Sundays)

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If you have any further questions about the online order payment please contact us via ­069 640 84 or mail.