How to Prune Split Leaf Philodendron

Thaumatophyllum bipinnatifidum

Reviewed by Kiersten Rankel M.S.

Quick Answer

Prune Split Leaf Philodendron in spring or early summer when the plant is actively growing. Focus on removing yellowed, damaged, or dead leaves by cutting each stem cleanly at the base. Never remove more than one-quarter of the plant at once, as losing too many leaves at once will stress the plant significantly.

When is the best time to prune?

This tropical plant grows year-round indoors but benefits most from pruning in spring and summer when it can recover quickly.

Pacific

Mar–Sep

Mountain

May–Aug

Midwest

Apr–Aug

Northeast

Apr–Aug

Southeast

Mar–Oct

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Why Should I Prune My Split Leaf Philodendron?

Split Leaf Philodendron (Thaumatophyllum bipinnatifidum) is a large-growing tropical that can easily overtake a room. Regular pruning keeps it at a manageable size and looking its best by directing energy to the healthiest, most dramatic leaves.

Yellow or brown leaves drain the plant's resources without contributing to photosynthesis. Removing them promptly keeps the plant healthy and prevents rot from spreading. Each leaf grows on its own stem, so every removal is a clean, simple cut at the base of the stem.

This plant climbs using aerial roots. You can trim aerial roots that are getting in the way, but leaving some intact helps the plant anchor itself and absorb moisture and nutrients. If a stem gets too long, you can cut it back to a node and the plant will branch from there.

Avoid removing healthy green leaves just to reshape the plant. Each leaf takes months to replace, and over-pruning can leave a bare-looking plant for a long time.

Know Before You Cut

Difficulty Easy

Max removal 1/4 of leaves at a time

Growth pattern Large tropical, climbing

Tools Clean sharp pruners or scissors

What Should I Remove?

Remove yellowed or brown leaves at the base of their stem

Cut back overly long stems to a healthy node

Trim aerial roots that are interfering with surroundings

Wipe blades clean before and after cutting

Don't remove more than 1/4 of the plant's leaves at once

Don't cut all aerial roots; they help the plant anchor and feed

Don't prune in winter when growth slows significantly

How Do I Prune Step by Step?

Inspect the plant for problem leaves

Walk around the plant and identify any yellow, brown, or damaged leaves. Also note any stems that are reaching too far beyond the plant's footprint.

Remove dead and yellowing leaves

Cut each unwanted leaf at the base of its stem, as close to the main trunk as possible without nicking the trunk. Use clean, sharp pruners to make a smooth cut.

Trim overly long stems

If a stem is too long, cut it back to just above a node, which is the point where a leaf emerges. New growth will sprout from this point. Leave at least one or two leaves on the remaining stem segment.

Tidy aerial roots if needed

You can trim aerial roots that are trailing far from the pot. Leave any that are already growing into the soil or directed toward a moss pole, as they provide structural support.

Clean up debris and check moisture

Remove all clippings and any fallen leaves from the soil surface. Water lightly after pruning to support recovery and encourage new growth at cut points.

Got More Questions?

Can I prune Split Leaf Philodendron in winter?

It's best to wait until spring. In winter, growth slows and the plant is less able to recover from cuts. You can remove dead leaves at any time, but save any major trimming for warmer months.

What if I cut off too many leaves at once?

The plant may look sparse and grow slowly for several weeks. Move it to a brighter spot and avoid fertilizing until you see new growth emerging. It will recover but it may take a few months to fill back in.

Why does my Split Leaf Philodendron have aerial roots growing out everywhere?

Aerial roots are normal for this species. In nature, they help the plant climb trees and absorb moisture. You can tuck them into the soil or trim the ones that are just in the way. They won't hurt the plant either way.

Can I use the stem cuttings I removed to grow a new plant?

Yes. Stem cuttings with at least one node and one leaf can be rooted in water or moist potting mix. Keep them warm and humid and roots should appear in two to four weeks.

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About This Article

Kiersten Rankel M.S.

Botanical Data Lead at Greg · Plant Scientist

About the Author

Kiersten Rankel holds an M.S. in Ecology & Evolutionary Biology from Tulane University. A certified Louisiana Master Naturalist, she has over a decade of experience in science communication, with research spanning corals, cypress trees, marsh grasses, and more. At Greg, she curates species data and verifies care recommendations against botanical research.

See Kiersten Rankel's full background on LinkedIn.

Editorial Process

Pruning guidance verified against Thaumatophyllum bipinnatifidum growth data from Greg's botanical database, cross-referenced with USDA hardiness zone data and published horticultural research.

7,326+ Greg users growing this plant

USDA hardiness zones 9a–11b

Citations:
NC State Extension
Missouri Botanical Garden

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