Skip to main content
Houseplants

How to Fertilize Indoor Plants: Beginner Guide

Start by choosing a balanced liquid fertilizer (10-10-10 or 20-20-20). Dilute to half the label rate. Water your plant first with plain water, then apply the diluted fertilizer. Feed every 2-4 weeks from March through September. Stop in winter. Flush soil with plain water monthly to prevent salt buildup. If you see brown leaf tips, you're likely over-fertilizing, reduce frequency or dilution.

What You Need to Know

Start by choosing a balanced liquid fertilizer (10-10-10 or 20-20-20). Dilute to half the label rate. Water your plant first with plain water, then apply the diluted fertilizer

Feed every 2-4 weeks from March through September. Stop in winter. Flush soil with plain water monthly to prevent salt buildup

If you see brown leaf tips, you're likely over-fertilizing, reduce frequency or dilution.

For personalized recommendations based on your specific garden size and fertilizer, use our fertilizer calculator.

Sources

Last updated: