Hardiness varies by variety: -10°C for the hardiest, -5°C for variegated types. Protect the crown in winter in cold regions or grow in a pot to bring indoors.

What exposure does a Phormium need?

Full sun is ideal for intense colors, tolerates partial shade. Phormium needs light to maintain its bright hues, especially the variegated varieties.

How do you care for a Phormium?

Very easy: moderate watering, remove dry leaves at the base in spring. No pruning needed, Phormium naturally grows in a graphic clump.

Can you grow a Phormium in a pot?

Yes, perfect in a pot on a balcony or terrace. Choose a large container of at least 30-40 liters with good drainage, ideal for creating a striking focal point.

Is Phormium evergreen?

Yes, Phormium is a perennial with evergreen foliage. It keeps its long colorful leaves year-round, providing a permanent graphic structure to the garden.

Why are the leaves of my Phormium drying out?

Natural drying of old outer leaves or water stress. Remove dead leaves and water regularly in summer, especially in pots.

How tall does a Phormium grow?

Height from 60 cm to 1.5 m depending on the variety, width from 60 cm to 1 m. Dwarf varieties are ideal for pots and small spaces.

Is Phormium drought-resistant?

Yes, very drought-tolerant once established. Phormium withstands missed waterings and dry soil, perfect for urban gardens with little watering.

How do you divide a Phormium?

Divide in spring by digging up the clump and separating the side shoots with their roots. Replant immediately in well-drained soil and water generously.

Phormium – New Zealand Flax for Urban Balcony

Upright ribbon-like leaves, intense colors, architectural silhouette — Phormium shapes an outdoor space like no other perennial. Evergreen, wind-resistant, and nearly self-sufficient.

Phormium – New Zealand flax, the quintessential graphic perennial

The Phormium, or New Zealand flax, is an architectural perennial that commands attention at first glance. Its long, upright, colorful ribbon-like leaves — deep red or flaming pink — bring strong structure and a decidedly modern character to any outdoor space. Evergreen, hardy and maintenance-free, it is the ideal decorative plant for a balcony or urban garden.

Year-round plant architecture

Unlike many perennials that disappear in winter, Phormium stays in place all year with its evergreen foliage. It structures a space like few plants can: in a pot, planter, or bed, it creates an immediate focal point. Its contemporary and clean style pairs perfectly with minimalist or Mediterranean urban designs. Discover all our mini-shrubs and urban perennials for more architectural plants.

Hardy, resilient, self-sufficient

Phormium withstands wind, drought, and pollution — three common conditions in urban environments. Once established, it requires almost no care: no pruning, little watering, no treatments. It’s the perfect perennial for those who want a beautiful outdoor space without hassle. Also explore all our outdoor plants in the same spirit.

Growing tips

☀️ Position: full sun to partial shade, colors are more intense in the sun
🌱 Soil: any well-drained soil, tolerates poor and dry soils
💧 Watering: low once established, very drought-resistant
✂️ Pruning: remove only dry leaves at the base, without cutting green leaves
❄️ Hardiness: hardy down to −10 °C, protect the base in very cold regions

Frequently asked questions

Is Phormium suitable for a wind-exposed balcony?
Yes, that’s one of its great qualities — Phormium naturally resists wind and urban pollution. In a pot, make sure to use a heavy, well-drained planter. Check out our guide on how to choose the right pot for proper planting. Also see our plants for balconies and terraces.

Does Phormium lose its leaves in winter?
No, it is an evergreen plant that keeps its foliage all year round. This is exactly what makes it an ideal structural plant for urban outdoor spaces, even in the middle of winter.

How do you keep Phormium’s colors vivid?
The sunnier the exposure, the more intense the colors — red, pink, or variegated — will be. In partial shade, the foliage tends to turn slightly greener. Also avoid fertilizers that are too high in nitrogen, which promote green foliage at the expense of colorful hues.

Explore further

Phormium is part of our Mini shrubs & urban perennials collection. Also discover our outdoor plants, our plants for balconies and terraces, and our large plants and XXL plants to structure your outdoor spaces and give them character.