This is a, not too serious, attempt to list the top 20 worst weeds in the New Zealand garden and rank them for overall importance by the harm they can cause, how common they are and how difficult they are to get rid of. Top 20 Garden Weeds. Flower spikes hold mainly white flowers with a blue tinge. A small growing perennial that forms a clump of strap like leaves that have a cream edge. Although generally short lived they are unique and interesting plant. A similar looking plant weed that might be found in gardens is the Giant Reed (Arundo donax), also known as elephant grass or bamboo grass. A striking purple form of Lavender with longer bracts or wings than other forms. Size: 12 inches tall. Need help planning out a landscape design for your deck? Zones: 5-9. Woody, upright herbaceous perennial (<2m tall). A useful groundcover in full sun, it looks good when used with other strong coloured plants such as Heuchera and Coleonema. The purple leaves have a mottled appearance and are prefect for contrast, especially with yellow foliaged plants such as Sagina or Coleonema. As the tree or shrub growth matures, the outside of the stem becomes more woody. 15cm x 50cm. Flowers are very small and are compactly arranged on branching spikes at the base of leaves. Perennials This is used for all non-woody perennial plants, including herbaceous perennials. Rosemary is great in any flowering border and can handle hot and dry conditions. Specializing in rare and unusual annual and perennial plants, including cottage garden heirlooms and hard to find California native wildflowers. Kiwifruit (Actinidia chinensis ) is a recently domesticated fruit crop with a short history of breeding and tremendous potential for improvement. A brilliant filler and contrast plant. Plant in a sunny spot in free draining soil. Recent Examples on the Web Since arriving in Portland in 2012, Neil Olshey has built the Portland Trail Blazers into a perennial playoff contender in large part by excelling in the NBA draft. 10cm x 50cm, A strong upright grower with deep blue flowers. 30cm x30cm, A small grass like plant with glossy green arching leaves. Mānuka was used to brew tea and beer (with rimu) by explorers and early : settlers. The New Zealand Institute for Plant & Food Research Limited (Plant & Food Research), Auckland, New Zealand. 45cm x 30cm. Once in the garden, some, such as black locust, can spread by roots underground or re-sprout from roots left in the ground even after most of the plant is removed. Fleshy green leaves form a dense clump. 3-9. A bright coloured daisy that provides strong colour and works well as a groundcover or as part of a sunny border. Cutting them back by one-third in early spring will stop them from becoming woody. These are non-woody plants that die back to around ground-level once cold temperatures return. 20cm, A stunning show of bold flowers right through spring and summer. Bright yellow- orange flowers with a darker throat over long periods during summer. Light: Full to part shade. Prune heavily after flowering for new flower production. Weigela Sonic Bloom series is small in stature but big on summer color. Year-round interest: Woody perennials add interest all season, year after year. Evergreen form. Herbs (non-woody plants) Herbs or perennials are non-woody plants. Buy It: Pachysandra ($22, The Home Depot) Grows well in full sun and can handle coastal conditions. 60cm, A clump forming plant with fleshy green leaves. It tends to be found near water. Small, oval, bright green leaflets are arranged in 4-9 pairs along stems. Size: 12 inches tall. Trim regularly to maintain size, shape and to encourage flower production. These plants have little or no woody growth which differentiates them from shrubs and trees. A easy care and strong performer. It's easy to keep this well-behaved perennial groundcover in bounds by digging it up if it starts to wander too far, though. A fantastic display is made right through summer. Styela sea squirt. You only need in look at the picture to realise why this stunning spreader has earned the name 'Snow in Summer'. Perennial plants can be short-lived (only a few years) or like peonies they can be as long-lived as some woody plants like trees. Examples include: wandering willie, chilean rhubarb, wild ginger and pampas grass. Short spikes of dark blue flowers during spring and summer. Bushy, woody, many-stemmed, colony-forming perennial with fibrous woody stock Stems usually covered in hairs, become woody with age, and have branches in opposite pairs. An... Add to cart. Great for smaller gardens. The two tone flowers are gorgeous and are attractive to butterflies. Spring ephemeral describes the life habit of perennial woodland wildflowers which develop aerial parts (i.e. A great contrast plant with other perennials. Masses of single, bright white flowers with a yellow centre appear in spring and have a very long flowering life. Buddleia Summer Skies. Woody-hard, bracket-shaped fruiting bodies on wood, mostly saprobic on dead wood but sometimes also (weakly) parasitic on living trees. roots, rhizomes, and bulbs) for the remainder of the year. Cut back back old flower stems over summer to encourage new flowers. Tall spikes of dark purple trumpet shaped flowers grow in spring and summer. A delightful and colourful addition to the flower garden. 50cm x 75cm. What a stunner. Jul 3, 2017 - This Pin was discovered by Eden Tupuola. 10cm x 50cm. Trim regularly to maintain size, shape and to encourage flower production. Use as a groundcover, in amongst other flowering shrubs, or hanging over the edges of pots. Nnote that if Lavender is planted in the sahde it may get lanky and woody. Hi and welcome to Wood U Like, your home for beautiful and functional handmade New Zealand wood kitchenware and gift items. Woody perennials are those that develop a woody base and root system, flowers and foliage develop on the woody base each year. 60cm x 60cm Evergreen. It is an attractive option for softening retaining walls. Looks good with grasses and mosses, or red foliaged Heucheras. All trees are perennial plants. Seedlings and branches were used to capture freshwater crayfish (koura). Herbaceous perennials differ in that Photographs taken in Whangarei. A neat perennial with an attractive combination of grey-green foliage that is tipped red and lime-green flower bracts. Its surface is tough, leathery, ... woody perennial shrub that can grow to 4m tall. Herbaceous Plants That Are Perennials . There are links at the species level to related weed and pest plant resources: Weedbusters, AgPest, MPI Biosecurity NZ, nzflora Weed Profiles, Ngā Tipu o Aotearoa – New Zealand Plants, and other identification keys. Poaceae (/ p oʊ ˈ eɪ s i aɪ /) or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants known as grasses.It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns and pasture. They can overtop small plants, crowding out native plants and preventing the regeneration of native seedlings. And don't forget you can use it in your cooking, especially with that roast lamb. (06) 368-5025, Agapanthus orientalis 'Silver Baby' (Miniature Agapanthus), Agapanthus orientalis 'Streamline' (Miniature Agapanthus), Anemone x hybrida 'Hot Pink' (Japanese Anemone), Anemone x hybrida 'White' (Japanese Anemone), Lavandula angustifolia 'Foveaux Storm' (Lavender), Lavandula angustifolia 'Grosso' (Lavender), Lavandula angustifolia 'Pacific Blue' (Lavender), Lavandula stoechas 'Purple King' (Lavender), Mesembryanthemum 'Crimson Glory' (Ice Plant), Rosmarinus officinalis 'Tuscan Blue' (Bush Rosemary). Excellent as a small dividing hedge or border, looks great when massed planted. Herbaceous Plants That Are Perennials . Bright foliage starts the color spectacular for the summer! It’s that time of year again: time for the Fall Color Project, hosted by Dave at Growing the Home Garden. 45cm x 45cm. A bold red daylily that provides great colour. Let HGTV Gardens lead the way. About 10–15% of the total land area of New Zealand is covered with native flora, from tall kauri and kohekohe forests to rainforest dominated by rimu, beech, tawa, matai and rata; ferns and flax; dunelands with their spinifex and pingao; alpine and subalpine herb fields; and scrub and tussock. This genus includes 30-40 species of rhizomatous perennial herbaceous plants native to North and Central America. (Reminds me of Dr Seuss). of Woody Perennials on Hostile Soils ... for travel bursary to present my work in Joint ASSSI & SSS-NZ conference in Hobart. stems, leaves, and flowers) of the plant early each spring and then quickly bloom, and produce seed. A delightful little perennial that has grass like foliage. Marine Biosecurity Porthole - NIWA Information on unwanted marine pests ; Marine pest identification guide - MPI; Types of weeds. Tall flowers spikes are useful for oil production and drying for use in Potpurri. 30cm x 45cm, Stunning, large lemon yellow flowers right through summer. Perennial, climbing, hairless, woody vine with fleshy rhizomes and slender, usually reddish stems with small irregular 'warty' aerial tubers. Looks good as a mass planting or in any perennial garden. Masses of purple- blue flower spikes appear right through spring and summer. Great for hot and dry banks or in front of the flower garden. A similar looking plant weed that might be found in gardens is the Giant Reed (Arundo donax), also known as elephant grass or bamboo grass. Many woody perennial weeds get their start in your garden from seeds, which blow in, come in in mulch or are brought in by birds or other animals. Red Balloon Viburnum from Proven Winners - showy, easy to grow. Hardy to most conditions but prefers a semi- shady spot which will keep the leaves nice and green. Masses of double yellow flowers appear in spring and have a very long flowering life. Green goddes arum is a clump-forming, evergreen perennial (to 1.5 m) growing from tubers, with large glossy, leathery, dark-green, arrow-shaped leaves. 50cm x 50cm Evergreen. A small growing perennial that forms a clump of strap like leaves that have a cream edge. They are often pruned in late winter or very early spring. 20cm x 20cm. A delightful spreading perennial that enjoys a semi shaded spot in moist soil. Blooms in April. This new growth is soft and succulent and is called softwood tissue. 60cm. Will grow in a variety of conditions making it very versatile. In spring tall spikes of bright pink, pom- pom flowers appear. Pachysandra blooms in spring but the small white flowers are not very showy. This still gives them most or all of the spring to put on growth and set the buds that, come summer, will become flowers. It's easy to keep this well-behaved perennial groundcover in bounds by digging it up if it starts to wander too far, though. Great in pots as well to bring lots of colour to an area. Plant in full sun and use for colourful impact. The foliage is arranged in rosettes on many branches. A quick growing perennial that can be pruned hard. Plant in full sun for best colour. 1.5m x 1m, A small moss like mound of fresh green foliage which has pink flowers in spring that slowly fade down to white, creating a mutli coloured effect. 60cm x 60cm, This small spreader is an absolute stunner. Grows 3ft. Buy It: Pachysandra ($22, The Home Depot) Comments (1) Add Comment View Comments. Water: Plant in well-drained soil. Perennial .7L Pot > ... Purchase Online. Great for cutting. Plant in full sun for maximum colour. Telham Beauty has larger flowers than the species. Grows quickly and will happily grow in sheltered gardens as well as seaside gardens. It includes those which are evergreen or semi-evergreen such as Bergenia (elephant’s ears), epimedium, hellebore, Stipa gigantea (an ornamental grass). Masses of single red flowers with a yellow centre appear in spring and have a very long flowering life. A neat plant for mass planting or as a border. Leaflets are a glossy dark green, broadly oval and widest at their base and without hairs. Free flowering, it is suited to exposed or coastal gardens. Bamboos are special group of grasses which a perennial, evergreen and in New Zealand all have woody stems. Plant in full sun in well drained soil for best results. Mexican Devil . iv I am also thankful to Mr. David Hein from Trees For Life to help me finding field study sites. Excellent as a groundcover, in rock gardens and hanging baskets. Spring ephemerals. 20cm x 60cm, Ice Plant. The saucer shaped flowers are up to 6cm across and appear in clusters at the end of the stems. 25cm x 75cm, A fantastic little plant with masses of strong blue- purple trumpet shaped flowers in summer. In spring and early summer many perennial (long-lived) plants have new growth. Forms a silver mound of foliage which is topped during spring and summer with masses of large pure white daisy like flowers. Vegetative characteristics. C. persicifolia is a species has been grown for centuries in the cottage gardens. Plant with ‘Winterthur’ for best berry production. Very hardy it will grow happily almost anywhere without too much fuss. Plant in full sun and prune after flowering to encourage more growth. Similar control methods as for bamboo will control giant reed. Hardy to most conditions. Plant in warm and sunny spot and regularly prune to encourage lots of new flower production. Excellent filler, looking good mass planted. Unlike other Agapanthus this one doesn't flower, but who needs it with this foliage. Wood types. Forms a low clump of foliage that is excellent for rockeries, pots and to fill in those little spots amongst other perennials. Prune hard after flowering to maintain size and prevent shrub going woody. Only needs a cut back after flowering to maintain shape. Annualization of woody perennials has the potential to revolutionize the breeding and production of fruit crops and rapidly improve horticultural species. 20cm x 60cm, Rosy pink flowers are arranged in tight clusters and provide endless colour over the warmer months. Forms a bush habit rather than spreading and responses well to a good prune. 70cm x 60cm, A lovely mat-forming evergreen perennial. 80% of our trees, ferns and flowering plants are endemic (found only in New Zealand). Perennials This is used for all non-woody perennial plants, including herbaceous perennials. 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