Health of Native vs. Exotic Plants

• More native plants in poor health
• Cause may be lack of irrigation for native plants
• Royal Park in Parkville lacks irrigation

Map: Number of Native Plants in each Suburb

• Highest number in Parkville
• Parkville lack irrigation
• Less natives in cbd, where irrigation is abundant

Irrigation and Plant Health

• Lack of irrigation correlated
  with poor plant health
• Irrigation not associated
  with mature & healthy
  plants
• Irrigation is species dependant

Plant Species, their Health and Watering

• Enchylaena (Native) low
  irrigation, perfect health
• Ficinia higher irrigation
  high poor health
• Trachelospermum (exotic)
  lower irrigation, perfect health

Map: Irrigation and Plant Health