Back to Fact Sheet Contents Page Facts Sheet 10
"Drain Cloggers"
Planting trees and shrubs near pipelines can become an expensive
exercise at a later stage, if the plants chosen have a strong moisture searching root
system. The fine roots will penetrate any cracks in the pipes, eventually blocking
thepipe. The bigger roots may actually dislodge pipes causing
breakages and leaks.
The following
list of Australian native plants
have proven to be SAFE growing
near underground pipes
Acacia myrtifolia Myrtle wattle
Bauera rubioides Dog rose 'Ruby Glow'
Bauera sessilifolia Showy Baurea
Boronia denticulata
Boronia heterophylla Red Boronia
Boronia pinnata Pinnate Boronia
Bracteantha bracteata Golden everlasting
Chrysocephalum baxteri White everlasting
Chrysocephalum apiculatum
Chorizema cordatum Heartleafed flame pea
Correa alba White Correa
Correa baeuerlenii Chefs cap Correa
Correa decumbens
Correa glabra Rock Correa
Correa 'Mannii' 'Mannii'
Correa pulchella
Correa reflexa Common Correa
Correa schlechtendalii
Crowea exalata Small Crowea
Crowea saligna
Dampiera diversifolia
Epacris impressa Common heath
Epacris longiflora Fuchsia heath
Epacris microphylla Coral heath
Philotheca myoporoides Wax flower syn.
Eriostemon myoporoides
Grevillea buxifolia Grey spider plant
Grevillea lanigera Woolly Grevillea
Grevillea sericea Pink spider flower
Grevillea speciosa Red spider flower
Grevillea baueri
Grevillea diffusaHovea lanceolata
Hovea elliptica Tree Hovea
Myoporum parvifolium Creeping boobialla
Prostanthera denticulata
Prostanthera incana Velvet mint bush
Prostanthera melissifolia Balm mint bush
Prostanthera ovalifolia Purple mint bush
Prostanthera rotundifolia Round leaf mint bush
Scaevola aemula 'Purple Fanfare'
Stypandra glauca Nodding blue lily
Westringia glabra Violet Westringia
The Australian native plants listed below all have a water searching root
problem and can block drains. These plants should not be planted closer than 3.5
metres to sewerage pipes and other drainage pipes.
Acacia saligna Golden wreath wattle
Acacia terminalis Sunshine wattle
Agonis flexuosa Willow myrtle
Allocasuarina stricta Drooping she oak
Allocasuarina torulosa Forest oak
Angophora costata Smooth barked apple gum
Angophora hispida Dwarf apple
Brachychiton acerifolius Flame tree
Brachychiton discolor White kurrajong
Brachychiton populneus Kurrajong
Casuarina cunninghamiana River she oak
Casuarina glauca Swamp oak
Eucalyptus cinerea Argyle apple
Eucalyptus citriodora Lemon scented gum
Eucalyptus maculata Spotted gum
Ficus all species Figs
Grevillea robusta Silky oak
Hymenosporum flavum Native frangipani
Lophostemon confertus Brush box
Melaleuca armillaris Bracelet honey myrtle
Melaleuca linariifolia Snow-in-summer
Melaleuca styphelioides Prickly-leaved tea tree
Melia azedarach White cedar
Pittosporum rhombifolium White holly
Pittosporum undulatum
The following plants are not recommended to be planted
within 2 metres of drains and sewerage piplelines
Acacia
cultriformis Knife leaf wattle
Acacia howittii Sticky wattle
Acacia iteaphylla Flinders Range wattle
Acacia longifolia Sydney golden wattle
Acacia retinodes Wirilda
Acmena smithii Lilly pilly
Callistemon citrinus Crimson bottlebrush
Callistemon 'Harkness' 'Harkness'
Callistemon salignus Willow bottlebrush
Callistemon viminalis Weeping bottlebrush
Hakea salicifolia Willow leafed Hakea
Omalanthus populifolius Bleeding Heart
Leptospermum laevigatum Coast tea tree
Melaleuca hypericifolia Hillock bush
Melaleuca fulgens Scarlet honey myrtle
Pittosporum phillyreoides Weeping pittosporum
Callistemon citrinus
Reference books-
"Grow What Where", Australian Plant Study Group, Published by Nelson.
"Encyclopedia of Australian Plants Suitable for Culitvation", Vol.1,
R.Elliot & D.Jones, Lothian.
Produced by the Australian
Plants Society, Central Coast Group in conjunction with
Gosford City Council and Wyong Shire Council.
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