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The Best Fertilizer for Philodendrons
Wondering what fertilizer to use for your Philodendron? These lush, fast-growing houseplants benefit from regular feeding, especially during the spring and summer growing season.
Given their fast growth, best fertilizer for Philodendrons is a balanced liquid houseplant fertilizer, applied once or twice a month during spring and summer. Choose an all-purpose fertilizer made for indoor plants and always follow the dilution instructions on the label.
Here’s what you need to know.
Do Philodendrons Need Fertilizer?
Yes. Philodendrons like the Hope Philodendron, Brasil Philodendron or Red Congo Philodendron are relatively fast-growing houseplants, and regular feeding can help support healthy growth and those large, beautiful leaves they're known for.
Over time, your Philodendron uses up nutrients in its potting soil. Fertilizer simply replaces some of those nutrients and gives your plant what it needs to continue growing.
Just remember: more fertilizer doesn't mean faster growth. Too much can damage your plant's roots and leaves.
What Kind of Fertilizer Is Best for a Philodendron?
Choose a balanced liquid fertilizer made for indoor plants. You don't need a special fertilizer specifically labeled for Philodendrons.
If you see three numbers on the bottle, such as 10-10-10, these represent three key plant nutrients: nitrogen, phosphorus and potassium.
A balanced, all-purpose houseplant fertilizer is an easy and reliable choice for most types of Philodendrons.
How Often Should You Fertilize a Philodendron?
Keep it simple: fertilize your Philodendron once or twice a month during spring and summer, when the plant is actively growing.
In fall, you can begin reducing how often you fertilize. During winter, when growth typically slows, you can usually stop fertilizing altogether.
If your Philodendron continues putting out new growth during winter, you can continue feeding it occasionally.
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How to Fertilize Your Philodendron
Liquid fertilizer makes feeding your Philodendron easy because you can simply add it as part of your normal watering routine.
Follow the dilution instructions on your fertilizer and apply it to damp soil. Avoid pouring concentrated fertilizer directly onto the soil or roots.
And when in doubt, use less. It's much easier to add more nutrients later than to fix an overfertilized plant.
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Philodendron Tree Fertilizing FAQ
What is the best fertilizer for Philodendrons?
A [balanced liquid fertilizer] (https://www.leonandgeorge.com/accessories/natural-plant-food) made for indoor houseplants is an easy, reliable choice. You don't need a special Philodendron-specific fertilizer.
How often should I fertilize my Philodendron?
Fertilize once or twice a month during the spring and summer growing season. Reduce fertilizing in fall and generally stop during winter.
Can you over-fertilize a Philodendron?
Yes. Too much fertilizer can damage your Philodendron. Brown or crispy leaf edges, yellowing leaves or a white crust on top of the soil can be signs of excess fertilizer. If you're unsure how much to use, it's always better to err on the side of less.
Does fertilizer help Philodendrons grow bigger leaves?
Fertilizer can support larger, healthy leaves, but it's only one part of the equation. Your Philodendron also needs adequate light, proper watering and healthy roots to produce strong new growth.
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This article was written with insights from the certified Plant Doctors at Léon & George. Experts in botany and horticulture, our Plant Doctors are seasoned professionals with years of experience caring for plants, both in their work and at home as passionate hobbyists. Their guidance ensures that our plant care recommendations are rooted in scientific knowledge and practical expertise.
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