Acanthus 'Whitewater' ®

Planting & Positioning

• Acanthus ‘Whitewater’ is a striking architectural perennial grown primarily for its dramatic variegated foliage, splashed in green, cream, and silver tones.

• Ideal for adding bold texture to borders, woodland edges, and contemporary planting schemes.

• Best planted in full sun or light partial shade.

• In hotter positions, some light afternoon shade can help prevent leaf scorch.

• Prefers fertile, well-drained soil enriched with organic matter.

• Avoid heavy, permanently waterlogged soils, particularly during winter.

• Dig a hole slightly wider and the same depth as the pot.

• Position the plant so the top of the root ball sits level with the soil surface.

• Backfill with compost-enriched soil, firm gently, and water thoroughly.

• Allow adequate space, as mature plants form large clumps with impressive foliage spread.

This variety makes an excellent focal point and contrasts beautifully with finer-textured plants.

Watering, Feeding & Growth

• Water regularly during the first growing season to establish a strong root system.

• Keep soil moist but not waterlogged while plants settle in.

• Once established, Acanthus is moderately drought tolerant but benefits from watering during prolonged dry spells.

• Feed in spring with a balanced, slow-release fertiliser to encourage strong leaf growth.

• Alternatively, apply well-rotted compost around the base annually.

• Avoid excessive feeding, which may lead to overly soft growth.

• Tall flower spikes with white to pale mauve blooms may appear in summer on mature plants.

• Stems can reach significant height and may benefit from shelter in exposed gardens.

The bold foliage provides long-lasting structure from spring through autumn.

Pruning, Maintenance & Winter Care

• Remove spent flower spikes after blooming to tidy the plant and prevent unwanted self-seeding.

• Cut back faded foliage in late autumn once it has naturally died down.

• In milder climates, some foliage may remain through winter.

• Apply a mulch in autumn in colder areas to protect roots from severe frost.

• Acanthus develops deep roots and does not like to be moved once established.

• Wear gloves when handling, as leaf edges can be sharp.

• Generally pest resistant and low maintenance when planted in suitable conditions.

With good soil, moderate moisture, and space to grow, Acanthus ‘Whitewater’ will provide dramatic variegated foliage and architectural interest, making it a standout feature in borders and structured garden designs.

• Size
  3L

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)

Click here for more information about our shipping conditions.

You can pay your online order either by credit card or via Paypal.
If you have any further questions about the online order payment please contact us via ­069 640 84 or mail.