Phormium tenax 'Sundowner' Care Guide

Phormium tenax 'Sundowner' is a striking, evergreen perennial known for its dramatic, arching leaves in shades of pink, bronze, and green. This ornamental New Zealand flax is perfect for adding structure, color, and texture to gardens, making it a fantastic choice for borders, containers, and coastal landscapes.

Planting and Location

• Sunlight: Thrives in full sun but can tolerate partial shade. Full sun enhances the rich coloration of its foliage.

• Soil: Prefers well-drained soil; tolerates sandy, loamy, or clay soils. Avoid waterlogged conditions, as they can cause root rot.

• Positioning:

  • Ideal for modern gardens, coastal gardens, and tropical-themed landscapes.

  • Works well as a focal point in beds, borders, or large containers.

  • Can be planted near water features or in dry gardens for contrast.

• Planting Time: Spring or early autumn is best for root establishment before extreme temperatures.

Watering and Feeding

• Watering:

  • Water regularly when newly planted to establish a strong root system.

  • Once established, it is drought-tolerant and needs occasional watering in prolonged dry spells.

  • Avoid overwatering, especially in winter, as it can lead to root issues.

• Mulching:

  • Apply a layer of organic mulch around the base in spring to retain moisture and suppress weeds.

• Fertilizing:

  • A balanced, slow-release fertilizer in spring encourages healthy growth.

  • Liquid feed in summer can enhance foliage color and vigor.

Pruning and Maintenance

• Pruning:

  • Remove dead or damaged leaves at the base to keep the plant looking tidy.

  • If necessary, cut back older leaves in late winter to encourage fresh growth.

• Pest and Disease Control:

  • Generally pest-free but may occasionally attract aphids or scale insects—treat with insecticidal soap if needed.

  • Ensure good air circulation to prevent fungal diseases.

• Winter Care:

  • Hardy in most conditions but may need protection from extreme frost.

  • In colder areas, mulch around the base or cover with fleece in severe weather.

  • Container-grown plants should be moved to a sheltered location during winter.

Additional Tips

• Companion Planting:

  • Pairs well with grasses, agapanthus, and drought-tolerant perennials.

  • Complements Mediterranean and coastal garden designs.

• Container Growth:

  • Use a large, well-draining pot with a loam-based compost mix.

  • Water regularly in summer but allow the soil to dry slightly between waterings.

• Wildlife Friendly:

  • Provides shelter for birds and beneficial insects.

Phormium tenax 'Sundowner' is an excellent choice for gardeners looking for a low-maintenance yet visually stunning plant. Its bold foliage and resilience make it a standout feature in any garden or landscape

• Size
  7.5lt

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.