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South West Australia: Creating A Waterwise Coastal Garden - Water CorporationDocument Transcript
creating a south westwaterwisecoastal garden The information in this brochure is tailored to the South West. This covers the Perth Metropolitan, Peel, South West and Great Southern Regions - including Perth, Albany and Esperance.In a coastal garden you need to choose plants that will mulchingtolerate generally alkaline soils and varying degrees of Bare soil encourages weeds, wastes water and increasesonshore winds. Despite these often rugged conditions stress upon plants. A waterwise mulch spread to a depththere are plenty to choose from. What’s right for your of 5 to 10cm will reduce evaporation from the soil surface.garden will depend on the size and style of your garden It will also prevent erosion, reduce weeds, reduceand the overall effect you want to achieve. For your coastal temperature fluctuation in the soil, slowly break downgarden to be successful and rewarding you will need to over time to feed the soil and improve the overallcarry out soil improvement prior to planting, mulch after appearance of the garden. A good waterwise mulchplanting, and install an efficient irrigation system. is one that has large, chunky pieces that hold little, if any, water. Always keep mulch just clear of stems and trunkssoil improvement and be prepared to spread more mulch over the surfaceSoil improvement should be carried out prior to planting. as the material breaks down to feed the soil.The best soil improver is organic matter. It dramaticallyincreases the moisture and nutrient holding capacity irrigationof sandy soil and encourages the all important soil micro The most efficient irrigation systems are those that deliverfauna that are vital for healthy plant growth. the right amount of water to the right place, at the rightImproving the soil is a simple process: time, with minimal wastage. The simplest and most efficient system available to the home gardener is known• ig a hole 25 to 30cm deep and, at a minimum, D variously as sub-irrigation, integrated dripper or in-line 3 times the width of the pot. The wider the better. dripper. It is simple to install and delivers water directly• Replace half the soil with organic matter. to the root system with little or no evaporative loss.• ix thoroughly and replace in the hole in a shallow M For further information and expert assistance with saucer shape. irrigation, contact either your local Waterwise Garden Irrigator or Waterwise Irrigation Design Shop.• ake the plant out of the pot and place in the bottom T of the saucer. hydrozoning• Water in well, applying a wetting agent if necessary. Hydrozoning is grouping plants with similar water needs• rganic matter can be purchased as compost, O together in an effort to be more water efficient. This is soil improver or soil conditioner. one of the most important tools to conserve water in the garden, and help save you money. You can choose plantsIn addition to organic matter, the following can also to suit your garden and region with our Waterwise Plantsbe incorporated into the soil at planting time: for WA online directory.• Bentonite clay (sandy soils only). Your local Waterwise Garden Centre can also assist with• Gypsum (reactive clay soils only). plant selection and watering needs.• Spongelite and zeolite (all soil types). To find out your watering days visit our website.• ater storage polymers sold as granules or W in sealed bags.watercorporation.com.au
how to design a waterwise coastal garden Garage Residence Mulch onlyScreeningshrubs Porch& small trees Grps Cifor privacy Raised planters with herbs & vegetables Ads Driveway Lawn Ls Al Wd Cora Ba legend Council footpath Hydrozone 1 Dr Hydrozone 2 Kc Hydrozone 3 (including vegetables, Lb Anfb Eg herbs & fruit trees) Lawn Front Verge Front Verge Street Tree. Refer to your local council verge policy Designs provided by Josh Byrne & Associates plant species www.joshbyrne.com.au Abrv Common Name Botanical Name Abrv Common Name Botanical Name Ground Covers Grasses/Strappy Leaf Plants Eg Emu Bush Eremophila glabra* Anfb Kangaroo Paw Anigozanthos flavidus* Grps Grevillea ‘Seaspray’ Grevillea preissii* (Dwarf) Bush Gem Series Kc Kennedia ‘Coastal Carpet’ Kennedia coccinaea* Dr Dianella ‘Little Rev’ Dianella revoluta* Shrubs Trees Ads Adenanthos ‘Pencil Perfect’ Adenanthos sericeus* Ba Ashby’s Banksia Banksia ashbyi* Cora Coastal Correa Correa alba* MI Rottnest Tea Tree Melaleuca lancelota*∆ Ls Coastal Tea Tree Leptospermum sericum* Lb Cushion Bush Leucophyta brownii* Wd Native Rosemary Westringia dampieri* Al Acacia lasiocarpa Acacia lasiocarpa* * These species are endemic to WA Ci Holly Flame Pea Chorizema ilicifolium* ∆ Optional Species (not included in illustration) more information For professional advice, visit our website to find a Waterwise Specialist near you. They include Garden Designers, Garden Centres, Garden Irrigators, Irrigation Design Shops, Landscapers, Lawnmowing Contractors, Plumbers and Water Auditors. Waterwise Specialists have been trained especially to help you save water by providing specialist advice on waterwise products and services for your home and garden. Look for the Waterwise Approved and Smart Approved WaterMark symbols when choosing gardening products such as mulch, plants, greywater systems and sprinklers. 13 10 39 Waterwise Helpline watercorporation.com.au ISBN 1 74043 484 6 December 2011 This information is available in alternative formats on request.