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Ornamental Grasses – New Zealand Flax

  • New Zealand flax

Botanical name: phormium tenax 

Beginner friendly?: yes

Average size at maturity: up to 10 ft in height and 3 ft in width 

Bloom time: summer

Hardy zone: zones 8-10

Flower color: pink/red

Foliage color: green/blue

Growth rate: grows about 1 ft per year 

Pruning instructions: prune to maintain desired shape and size in the late winter/early spring 

Propagation methods: propagate by dividing and replanting in the spring and fall 

Landscape use: large borders, ornamental appeal 

Light needs: at least 6 hours of sun per day 

Special features: ideal for coastal gardens, large color variety 

Watering instructions: water when the first couple inches of soil have dried 

Fertilizing instructions : use a liquid all purpose plant food once a month throughout the spring, summer, and fall 

Best time to plant: spring 

Best type of soil: loam, clay, sand

Companion plants: geraniums, coreopsis 

Toxicity level: non-toxic for humans and pets

Invasive species: not invasive