Problems with rosemary
Identify what's wrong by where it appears and what you can see.
Where is the problem?
Start by selecting the part of the plant where you see the problem.
Start with the symptom
Or pick from the symptoms most often seen on rosemary.
Common problems with rosemary
The problems recorded on rosemary, the most common first.
13 problems
-
Pest Common
Leafhoppers
Pale stippling on leaves and small insects that hop sideways when disturbed. -
Watering Common
Poor drainage and waterlogging
Water that sits around the roots after rain. Plants yellow, stall and rot at the base. -
Fungal disease Common
Root rot
Wilting and yellowing in wet soil; roots brown, soft and falling apart. -
Pest
Aphids
Small, soft insects clustered on new growth and under leaves, leaving sticky honeydew. -
Fungal disease
Grey mould (botrytis)
Fuzzy grey mould on fruit, flowers and damaged leaves, rotting them in cool, damp weather. -
Watering
Overwatering
Yellow, limp leaves in soil that stays wet. Roots short of air rot and stop drinking. -
Fungal disease
Powdery mildew
A white, powdery coating on leaves that spreads in dry weather, weakening the plant. -
Light & temperature
Cold and frost damage
Blackened, glassy shoots after a cold night. Tender plants collapse; hardy ones grow out of it. -
Pest
Mealybugs
White, cottony insects tucked into leaf joints and under leaves, with sticky honeydew. -
Pest
Scale insects
Brown or white bumps stuck to stems and leaf veins, with sticky leaves below. -
Pest
Spider mites
Fine pale speckling on leaves, then yellowing and webbing. The mites are barely visible. -
Light & temperature
Too little light
Pale, stretched growth that leans towards the window. No amount of feeding fixes it.