phormium Archives - Local Gardener

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Asked: June 27, 2024

Phormium Tenax: Has This Iconic Plant Fallen Out of Fashion in the UK?

Phormium Tenax: Has This Iconic Plant Fallen Out of Fashion in the UK?

Phormium tenax, commonly known as New Zealand flax, has long been a beloved plant in UK gardens, renowned for its striking, sword-shaped leaves and its architectural presence. But in recent years, there has been speculation about whether this iconic plant ...Read more

RHS Hardiness Ratings	USDA Plant Hardiness Zones	Approximate Temperature Range (°C)
H1a H1b H1c	13 12 11	>15°C 10 to 15°C 5 to 10°C
H2	10b	1 to 5°C
H3	9b to 10a	-5 to 1°C
H4	8b to 9a	-10 to -5°C
H5	7b to 8a	-15 to -10°C
H6	6b and 7a	-20 to -15°C
H7	6a	Below -20°C