What is the difference between Phormium tenax and Cookianum?
Phormium cookianum, also known as wharariki or mountain flax, grows on coastal cliffs and mountain slopes. It has softer, shorter leaves than Phormium tenax, and greenish flowers, often with yellow or orange tones. The seed pods droop and are twisted. Phormium tenax (left), also known as harakeke or swamp flax, has stiff leaves, red flowers, and upright seed pods. It grows mainly on lowland swamps throughout New Zealand. Phormium cookianum (right), also known as wharariki or mountain flax, has softer leaves and yellow flowers.Phormium cookianum (Mountain Flax) – This New Zealand Flax species grows to 4-5 feet tall with wide spreading 2 1/2 inch wide olive-green leaves that arch gracefully.Phormium Tenax | New Zealand flax | Common flax lily | Flax bush | New Zealand hemp | Outdoor plant Delivered | Patch.Phormium cookianum is a flax up to 1-3 metres tall but generally smaller than Phormium tenax. The numerous leaves are 5-12cm wide, thick, fibrous, droopy, and rise from fan-like bases.Phormium tenax grows on lowland swamps throughout New Zealand. Phormium cookianum, also known as wharariki or mountain flax, grows on coastal cliffs and mountain slopes. It has softer, shorter leaves than Phormium tenax, and greenish flowers, often with yellow or orange tones.
Do phormiums need a lot of water?
Plant phormiums in spring or early summer in a sunny spot in fertile free-draining soil. Keep moist during dry spells for the first growing season, but after that phormiums growing in the ground need little care and pot-grown plants need only watering. Pruning is important to manage the size of your Phormium and to encourage new growth. The best time to prune Phormium is in late winter or early spring. Cut back any dead leaves or flower spikes with gardening shears. You can also cut back the plant itself if it’s getting too big for its location.Buying phormiums Check the label for height and spread to make sure it is suitable for intended spot in your garden. Although they can be sold as small plants, phormiums can grow into a sizeable clump in just a few years.Phormium pairings With careful selection and layout, phormiums mix equally well with perennials, shrubs, succulents and grasses.
Is phormium cookianum invasive?
Phormium Cookianum Dwarf Green™ plants are non-invasive, generally clump into 50x50cm mounds of arching blades of spectacular glossy green foliage. Phormium Cookianum Dwarf Green™ is an extremely hardy plant as it is highly frost and drought tolerant and will tolerate a range of soils. Phormium prefers a rich, moist soil and a location sheltered from harsh winds, but once established, the plants really aren’t fussy about conditions. Phormium can easily be grown in containers. Choose a rich, organic mix over traditional potting soil and keep the plants well watered in summer’s heat.Plant trivia The leaves of most Phormiums are poisonous to some animals, however their bitter taste is enough to deter any pet (or human for that matter!Phormium enjoys plenty of sunshine and a well-draining soil. In milder and coastal areas, it doesn’t mind wind, though in colder northern gardens it prefers a sheltered spot.Phormiums survive well in most conditions and there are some wonderful dwarf varieties that are perfect for growing in pots.
Can you keep Phormium in pots?
Ferns can also be grown in large containers. Most of the ferns readily available to gardeners are hardy, which means they will survive cold winters outdoors (check plant labels before buying). Most shrubs, roses, climbers, herbaceous perennials, grasses and even trees can be grown in containers. Fruit and vegetables will also thrive given the right conditions/space and compost selection.
Where is the best place to plant a phormium?
Whatever the situation, phormium will always require sunny and well-draining growing conditions. In milder parts of the country and around the coast, phormium can take a degree of exposure to the wind. In northern parts, or those areas prone to colder winters, it needs to be grown in a sheltered position. Phormiums may be slow to establish in very light, dry soils. On wet soils, the roots can suffer in the winter months. The leaves can also be severely damage by hard frost, so winter protection may be needed in cold snaps.Depending on the named cultivars and microclimates where they grow, phormiums thrive in either sun or shade, tolerate coastal sprays and winter frosts, and are moderate in a thirst for water. Dazzler’ grows to 3 ft.Phormiums should be planted in a sunny area where possible. They will also grow well in the shade provided sufficient light. The low-growing varieties which are the most colourful with pink and even reddish stripes can be grown in pots.Phormiums require full sun in a moist but well drained soil. They will however grow well in poorer soils providing they are given regular granular feeds of a nitrogen based fertiliser. Phormiums are greedy plants which grow quickly if they are well fed.