Botanical name: Thaumatophyllum bipinnatifidum
Synonyms: Philodendron selloum, Philodendron bipinnatifidum
Common names: Lace Tree Philodendron, Horsehead Philodendron, Tree Philodendron, Splitleaf Philodendron
Lace Tree Philodendron also called Horsehead Philodendron is an easy to grow non-climbing large houseplant which is most impressive in a large space.
The leaves in Lace Tree Philodendron are simple, large, deeply lobed, ruffle-edged and are usually drooping. They are dark green in color.
The trunk in Lace Tree Philodendron is relatively thick and woody with characteristic "eye-drop" leaf scars.
Lace Tree Philodendron produces aerial roots from the stems and these root have an important part to play. Push them into the soil to provide moisture for the upper leaves. Flowers rarely appear under room conditions.
The Lace Tree Philodendron leaves can grow up to 2 ft long and are attached to long smooth petioles about 2 ft long.
According to the NASA Clean Air Study, Lace Tree Philodendron was found to remove common VOCs specifically trichloethylene.
Lace Tree Philodendron is native to South America; Brazil, Bolivia, Argentina and Paraguay.
In their tropical natural habitat, Lace Tree Philodendrons are known for their ease in covering land mass and typically spread out their tree-like trunk from between 8-10 ft.
One common variant of Lace Tree Philodendron is Philodendron bipinnatifidum Hope also called Thaumatophyllum bipinnatifidum Hope which is a shorter plant, maturing at the height of about 4 ft.
Its leaves are slightly smaller about 1.5 ft long, smooth-edged and more solid, attached to 1.5 ft long petioles.
Another common variant of Lace Tree Philodendron is Philodendron bipinnatifidum Xanadu also called Thaumatophyllum bipinnatifidum Xanandu which has a mounding growth habit.
A look-alike plant but quite different from Lace Tree Philodendron is Monstera deliciosa (Swiss Cheese Plant) whose leaves have holes rather than the seperated lobes in Lacy Tree Philodendron.
Lace Tree Philodendron is closely related to the popular climber, Philodendron scandens commonly called Heartleaf Philodendron.
Buy beautiful and healthy Lace Tree Philodendron (Thaumatophyllum bipinnatifidum) from Etsy.
Photo Credit: NC State University
Lace Tree Philodendron grows best in moderate to bright light. Keep it away from direct sunlight as direct sunlight may cause scorching. Check out this guide on understanding light for houseplants.
Water Lace Tree Philodendron thoroughly during the growing season while allowing the top 2 in. of soil to dry a little between waterings.
Reduce watering during the cold period as growth is minimal at this time. Read more on how to water houseplants.
Ensure the pot for your Lace Tree Philodendron has a drainage hole to prevent the soil from getting soggy soil as it can lead to root-rot disease and eventual death of your plant.
Lace Tree Philodendron prefers average warmth with a minimum of 150C. Read more on understanding temperature for houseplants.
Lace Tree Philodendron prefers a humid environment inorder to thrive. However the plant can withstand dry air.
Keep the air moist through out the growing period by surrounding the pot with wet moss or by placing the pot on a wet pebble tray to raise humidity for your Lace Tree Philodendron. Check out these techniques on how to raise humidity for houseplants.
Regularly clean the leaves of your Lace Tree Philodendron by damp-wiping to get rid of dust and to discourage pest infestation. Read more on how to clean houseplants.
Feed Lace Tree Philodendron every 4 weeks during the growing season with a balanced water-soluble fertilizer.
Withhold feeding for your Lace Tree Philodendron during the cold season as growth is minimal at this time. Read more on how to feed houseplants.
Repot Lace Tree Philodendron every 2-3 years during the growing period. Use a pot which is 1 size larger and loose free-draining soil that is rich in organic matter.
Ensure the pot for your Lace Tree Philodendron has a drainage hole to prevent the soil from getting soggy as it can lead to root-rot disease.
Use a heavy container to prevent it from toppling over as your Lace Tree Philodendron can become top-heavy.
Pruning Lace Tree Philodendron involves removal of yellow and dead leaves to maintain the plant neat and tidy.
Cut back leggy stems of your Lace Tree Philodendron at the beginning of the growing season to rejuvenate growth. Read more on how to prune houseplants.
Lace Tree Philodendron propagation can be done during the growing season from stem cuttings.
Take a stem cutting of about 4-5 in. long. from a healthy Lace Tree Philodendron.
Insert the Lace Tree Philodendron cutting in moist soil and place the set up in a warm shaded place.
Maintain the soil moist until new growth has emerged. Allow the new Lace Tree Philodendron to be well established before transplanting.
Photo Credit: NC State University
Overwatering Lace Tree Philodendron is the reason for yellowing leaves if many leaves are affected and there are signs of wilting and rotting.
The remedy is water your Lace Tree Philodendron thoroughly during the growing season while allowing the top 2 in. of soil to dry a little between waterings.
If there is no wilting and rotting, underfeeding is the cause of yellowing leaves in your Lace Tree Philodendron.
Remedy the situation by feeding your Lace Tree Philodendron every 4 weeks during the growing season with a balanced water-soluble fertilizer and withholding feeding during the cold season to avoid fertilizer burn.
If only lower leaves are affected and have dark spots and new leaves are dark and small, then underwatering is the cause of the yellowing leaves in your Lace Tree Philodendron.
The solution is to water your Lace Tree Philodendron thoroughly during the growing season while allowing the top 2 in. of soil to dry a little between waterings but never allow the soil to dry out completely.
If leaves are pale colored and have straw-colored patches the cause of yellowing leaves in your Lace Tree Philodendron is too much sunlight. Protect your Lace Tree Philodendron from direct sunlight.
As the lower leaves of Lace Tree Philodendron age they drop but if there is an abnormal leaf drop, the reason is sudden change of growing conditions.
Avoid moving your Lace Tree Philodendron to a new position before acclimatizing it gradually to avoid leaf drop.
If the leaves turn brown and dry before they drop, then, too high temperature is the cause of leaf drop in your Lace Tree Philodendron.
Lace Tree Philodendron prefers average warmth with a minimum of 150C. Protect it from hot draughts; keep the plant away from hot air vents or near any source of heat.
The reason for rotting stems in Lace Tree Philodendron is the fungal stem-rot disease which is promoted by high moisture and too little warmth.
You can save the plant by repotting and keeping the soil dry and warm for a period of time before watering it again.
There are two possible reasons for leaves with brown papery tips and edges in Lace Tree Philodendron.
One possible reason for leaves with brown papery tips and edges in your Lace Tree Philodendron is dry air (low humidity).
To remedy the problem, set the pot on a wet pebble tray to raise humidity for your Lace Tree Philodendron. Check out these techniques on how to raise humidity for houseplants.
The second possible reason for leaves with brown papery tips and edges in your Lace Tree Philodendron is that the plant may be pot-bound.
Repot your Lace Tree Philodendron into a pot 1 size larger. Ensure the pot has a drainage hole to prevent the soil from getting soggy as it can lead to root-rot disease.
Too little light is the cause of leggy growth and small pale leaves as Lace Tree Philodendron will not thrive in deep shade.
Move your Lace Tree Philodendron to a more brighter spot where it will receive bright to partial light.
If the soil is too wet, your Lace Tree Philodendron will respond with leaves weeping at the tips.
Allow the top 2 in. of soil to dry out between waterings and reduce frequency of watering to avoid getting the soil too wet.
Isolate the affected Lace Tree Philodendron to prevent spread to other houseplants and treat it appropriately for the pests.
Lace Tree Philodendron (Thaumatophyllum bipinnatifidum) is toxic to both humans and pets. The plant contains Calcium oxalate.
If Lace Tree Philodendron ingested it causes burning and swelling in the mouth and throat, vomiting, diarrhea and abdominal pains. Keep this plant from the reach of children and pets.