New Zeland Flax - Knowledgebase Question

okanogan, Wa
Question by skolander
March 21, 2010
I live in Washington St Zone 5/4 depending how cold the winter is.Need to know ALL about New Zeland Flax outside inside
have hot summers. Need ALL info.Thanks for your time

Answer from NGA
March 21, 2010


Phormium is New Zealand Flax. Gardeners know it as a large and often colorful spiky plant that makes an arresting focal point in the garden or in containers. It has sword-like leaves that shoot up from the base of the plant and new hybrids are now available in shades of yellow, pink, red and bronze.

Mature size depends on the variety and growing conditions. Many plants in containers grow 1 - 4'. Phormium tenax, the taller species, can reach 10 feet, under ideal conditions. Most phormium plants average out between 2 and 5' and will grow in full sun or part shade in your region. This plant is not winter hardy in your zone so should be kept in a container and wintered over indoors, or treated as an annual in the garden and replaced every spring. Indoors, New Zealand Flax will need supplemental lighting in order to perform well. Hope this answers all your questions.

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