Plant petunias in full sun
Use well-draining soil
Water when the top inch of soil feels dry
Avoid overwatering
Deadhead spent blooms regularly
Pinch back leggy stems to encourage bushier growth
Fertilize every 1 to 2 weeks during the growing season
Remove yellow or damaged leaves
Protect plants from frost
Check regularly for pests and diseases
Space plants properly for good air circulation
Mulch lightly to help retain moisture
Trim back plants if they become overgrown
Choose containers with drainage holes if growing in pots
Repot or refresh container soil as needed