The Green DoctorAustralian garden journal

Garden, lawn and plant health care for Australian conditions

All guides

30 long-form features, each written for Australian conditions and linked from a topic hub. No JavaScript-only navigation — every title is a real link.

Root rot on a plant, showing decayed root tissue

Plant Health

Root Rot in Pots and Garden Beds

Black, mushy roots and a plant that wilts while wet are not a thirst problem. Learn how to diagnose Phytophthora and overwatering, and when a plant is already gone.

Maya Chen · 11 April 2026

A grevillea shrub in flower

Native Gardens

How to Grow Grevilleas

Drainage first, phosphorus second, pruning after flower. Grevilleas are not unkillable natives — they are particular shrubs with loud birds.

Priya Nair · 22 February 2026

Sun-bleached dry grass, the look of a drought-stressed lawn

Lawn Care

How to Fix a Brown Lawn in Australia

Brown turf is a symptom. This guide shows how to tell drought, grubs, fungus and fertiliser burn apart, then repair an Australian lawn without wasting water.

Tom Barrett · 12 February 2026