Houseplant Fertilizing: When, What, and How
Master the art of feeding your plants with this complete fertilization guide.
Why Fertilize?
Container plants deplete soil nutrients quickly. Regular fertilizing ensures healthy growth.
When to Fertilize
During growing season (spring/summer) every 2-4 weeks. Reduce or stop in fall/winter.
Types of Fertilizer
- Liquid: Quick absorption, flexible
- Granular: Slow release, less frequent
- Organic: Gentle, improves soil health
NPK Ratios
Balanced 10-10-10 works for most houseplants. Flowering plants benefit from higher phosphorus.
Tools and supplies for this
Products we'd actually buy for this job. Linking to Amazon — if you buy through these links we earn a small commission at no extra cost to you.
- Weston Mill Pottery Terracotta plant pots, 175mm (pack of 10)
Mid-size workhorse terracotta — perfect step-up for plants outgrowing their nursery pots.
- Weston Mill Pottery Terracotta plant pots, 20cm (pack of 5)
Heavyweight 20cm clay for established plants — the porous walls help prevent the soggy roots aroids hate.
- Whitefurze G04012 7.5cm Garden Pot - Terracotta (Set of 10)
Cheap, cheerful plastic propagation pots — what we actually use for cuttings and small offsets.
- Whitefurze G04013 10cm Garden Pot - Terracotta (Set of 7)
Reliable mid-size nursery pots with proper drainage holes — the boring essential every plant parent runs out of.
Dr. Sarah Green
Plant Biologist
Passionate about helping plant parents succeed with expert tips and proven techniques.
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