Plant Finder


Phormium tenax Border Black

Botanical Name: Common Names:
Phormium tenax Border Black New Zealand Flax, PHOHAR02,

Native: Foliage Type:
No Evergreen

Plant Type: Plant Habit:
Grasses, Strappy & Tufting Clumping, Tufting, Upright

Border™ Black is one of the Border collection of evergreen clump-forming perennials. This Phormium has arching narrow black leaves tinged with red and a silvery grey reverse. Border™ Black is ideal for mass planting or as a border plant to add texture to the garden. It forms dense clumps of upright leaves growing to 100 - 120 cm high and 80 - 100 cm wide. Border™ Black needs little maintenance - simply remove old leaves as they age and become dry on the ends. Suitable for border and mass plantings in commercial and home landscapes and in patio pots. Grows approx 1 - 1.2 metres and .8 - 1 metre wide.

Mature Height: Mature Width:
1-2m 60cm-1m

Position: Soil Type:
Full Sun, Semi Shade Well Drained

Landscape Use(s)
Balcony / Roof, Borders / Shrubbery, Coastal Garden, Courtyard, Feature, Foliage Feature / Colour, Formal Garden, Low Water Garden, Mass Planting, Rockery, Verge, Container / Pot, Under Trees

Pests & Diseases: Mealy Bugs

Cultural Notes: Remove old leaves as required. Requirs full sun although will tolerate part shade, colour may be less intense in shade. Tolerates a range of soils, though will perform best in a well worked soil containing organic matter and good drainage. No major disease susceptibility though can be damaged by crown rot in high humidity conditions. Avoid high humidity situations as this may lead to crown rot. Space plants well and ensure good air movement between plants. Information and images courtesy of Anthony Tesselaar.

Plant Care
Annual slow release fertiliser, Keep moist during dry periods, Mulch well

Family Name: Origin:
Xanthorrhoeaceae PacificIslands

Foliage Colour: Black
Flower Colour: Insignificant
Flower Fragrant: No
Flowering Season: N/A
Fruit: Insignificant

Requirements Tolerances
Growth Rate: Moderate
Maintenance Level: Low
Water Usage: Low
Drought: Medium / Moderate
Frost: Moderate
Wind: High