Pest identification
What's eating my wave purple petunia?
Tobacco budworm (Heliothis virescens)
Signs: Holes bored into flower buds; buds drop or open distorted
Control: Apply Bt (Bacillus thuringiensis var. kurstaki) to buds every 5–7 days during peak flight; hand-pick visible caterpillars at night
Aphids
Signs: Sticky, curling shoot tips; colonies of soft green or black insects on stems
Control: Knock off with water spray; insecticidal soap or neem oil every 5–7 days until clear
Whitefly
Signs: Yellow stippling on upper leaf surfaces; clouds of tiny white flies when plant is disturbed
Control: Yellow sticky traps to monitor; insecticidal soap or spinosad spray targeting leaf undersides
Keep wave purple petunia pest-free
Healthy plants resist pests best. Get the basics right:
Wave purple petunia pests — FAQ
What is eating my wave purple petunia?
Wave Purple petunias face the same core threats as other hybrid petunias: tobacco budworms chew buds before they open, aphids cluster on tender new growth, and whiteflies cause yellowing on the undersides of leaves. Slugs can damage low-trailing stems at ground level, especially in cool, wet spells.
How do I get rid of tobacco budworm (heliothis virescens) on wave purple petunia?
Holes bored into flower buds; buds drop or open distorted Apply Bt (Bacillus thuringiensis var. kurstaki) to buds every 5–7 days during peak flight; hand-pick visible caterpillars at night
How do I get rid of aphids on wave purple petunia?
Sticky, curling shoot tips; colonies of soft green or black insects on stems Knock off with water spray; insecticidal soap or neem oil every 5–7 days until clear
How do I get rid of whitefly on wave purple petunia?
Yellow stippling on upper leaf surfaces; clouds of tiny white flies when plant is disturbed Yellow sticky traps to monitor; insecticidal soap or spinosad spray targeting leaf undersides