This list shows that you can have a great range of trees, shrubs and groundcovers in limestone soils, without soil preparation.
Ground Covers up to 30cm
Low Shrubs 1m
Melaleuca pentagona “Little Penta” pbr
Olearia axillaris “Little Smokie” pbr
Westringia dampierii "Little Dampiera" pbr
Shrubs 1 - 3m
Acacia pulchella
Acacia rostellifera
Acacia truncata
Adenanthos sericeus “Pencil Perfect”
Banksia ashbyii “Carnarvon Candles”
Banksia prionotes “Little Kalbarri Candles”
Boronia alata
Calothamnus “Clean and Green” pbr
Grevillea olivacea hybrid "Red Sunset"
Grevillea olivacea yellow
Grevillea preissii “Mini Marvel”
Hardenbergia comptoniana (Pink)
Hardenbergia comptoniana (Purple)
Hardenbergia comptoniana (White)
Melaleuca huegelii
Melaleuca ringens “Coastal Column” pbr
Melaleuca systena
Pimelea ferruginea “Bonne Petite”
Pimelea ferruginea “Shell Pink”
Scaevola crassifolia “Compact”
Scaevola thesioides
Xanthorrea preissii
Trees 3m+
Agonis flexuosa “Peppermint Tree”
Eucalyptus foecunda
Eucalyptus gomphocephala “Tuart”
Eucalyptus torquata “Coral Gum”
Eucalyptus woodwardii