Philodendron crassinervium: Ultimate Growing Guide


Philodendron crassinervium is a species of flowering plant within the genus Philodendron. It is native to northern South America and is an invasive species of concern in Hawaii. Philodendron crassinervium can be found in the wild in shady, moist areas of subtropical forests, but it is typically grown in the home as a houseplant. It is also often cultivated outdoors in temperate climates. Let’s get into more detail about what Philodendron crassinervium is, where it is found, and how to plant and grow it.

What is Philodendron crassinervium?

Philodendrons are a large genus of tropical plants that are popular for their easy care and lush growth. There are over 400 species of philodendron, making it one of the largest genera of flowering plants in the world.

Philodendron crassinervium is a type of philodendron that is native to South America. This plant is known for its large, spiny leaves and rapid growth rate. It is a perennial, meaning it will live for more than one year. This plant can be found in the rainforest and grows up to 12 feet tall. Philodendron crassinervium has large leaves that grow up to 2 feet long. The leaves are dark green and have a leathery texture. This plant is a popular choice for indoor gardening because it is easy to care for and has beautiful leaves, it does well in both moist and dry conditions.

How To Grow And Care For Philodendron Crassinervium

Ideal location for Philodendron crassinervium

The Philodendron crassinervium is a hardy plant that can thrive in a variety of environments. That’s why it’s such a popular choice for indoor or outdoor gardening. But what’s the ideal location for this tropical beauty? Some gardeners might try to grow it in direct sunlight, but the Philodendron crassinervium needs partial shade to thrive. A spot that gets four to six hours of direct sunlight each day should be fine. If you’re not sure what to do, try planting it near a tree or under the eaves of your house.

So, where should you place it in your home? Well, the best spot for your Philodendron crassinervium is in a bright, sunny spot with plenty of indirect light. This will help keep it healthy and looking its best. If you’re not sure where to put it, a good rule of thumb is to think about where the sun hits your house the strongest. If you have a big, south-facing window, for example, that would be the perfect spot for your Philodendron crassinervium.

Also Read: Philodendron panduriforme Growing Guide

The Right Soil for Philodendron crassinervium

When it comes to Philodendron crassinervium, there is no one-size-fits-all answer for ideal soil. This plant is quite versatile, thriving in various soil types. However, there are a few things to consider when choosing the perfect soil for your Philodendron. For one, the soil should be well-draining. This means that it should not be waterlogged, as this will rot the roots of your plant. Additionally, the soil should be rich in organic matter. A good way to achieve this is to mix in some compost into the soil. If your soil is not rich in organic matter, you can also supplement with organic fertilizers.

Soil blends designed to nourish Philodendron crassinervium

A philodendron will thrive in a soil mix that is well-draining and high in organic matter. There are many commercial potting soil blends that will work well, but you can also mix your own. In general, you’ll want to use a mix of two parts potting soil, one part compost, and one part perlite or vermiculite. Be sure to moisten the soil before planting, but do not let it become soggy.

How much humidity is ideal for a philodendron Crassinervium?

All plants need humidity, but the humidity level a philodendron needs depends on the species. For example, the Philodendron Crassinervium does well in a humidity level of 60-70%. If the humidity is too low, the leaves will start to curl and the stalks will thin. If the humidity is too high, the leaves will turn brown and the plant will stop growing.

If your philodendron is starting to look a little wilted, it might be due to low humidity levels. Luckily, there are a few things you can do to increase the humidity in your home. One simple way is to place your philodendron in a humidity tray. This is a tray filled with water, which helps to increase the humidity around the plant. Another option is to mist your philodendron regularly with water.

You can also try running a humidifier in the room where your plant is located. And finally, if all else fails, you can always move your philodendron to a more humid environment, such as the bathroom. You can monitor the humidity level in your home by using a humidifier or by checking the humidity level on your weather app.

What is the Ideal Temperature for Philodendron Crassinervium?

So, what is the ideal temperature for Philodendron Crassinervium? This plant can tolerate a wide range of temperatures, from 65 to 85 degrees Fahrenheit. However, it will perform best at a temperature of 75 to 80 degrees Fahrenheit.If the temperature is too cold, your plant may not grow or may lose its leaves. If the temperature is too hot, your plant may not grow or may lose its leaves.

If you’re looking to grow Philodendron Crassinervium in your home, try to find a spot that will provide these temperatures for the majority of the year. You can use a room thermometer to monitor the temperature in the room where you’re growing your plant. If the temperature falls outside of this range, you can use a space heater or air conditioner to adjust the temperature accordingly. Whichever way, try to find a happy medium that will keep your plant healthy and thriving.

Also Read: Philodendron Martianum Growing Guide

How to water your Philodendron Crassinervium

The best time to water your Philodendron Crassinervium is in the morning.Just pour water into the pot until it starts dripping out the drainage hole. Then, wait for the soil to absorb the water before watering again. Don’t overwater, as this can kill your plant. The soil moisture for your Philodendron Crassinervium should be kept at a level of about 60-70%. You can use a moisture meter to check soil moisture levels or simply water your plant when the top 2-3 inches of soil feel dry to the touch.

There are a few things to keep in mind when watering your Philodendron Crassinervium. First, make sure the pot has good drainage. You can do this by adding a layer of gravel at the bottom of the pot before adding soil. Second, make sure to water your plant regularly, but don’t overdo it. You want the soil to be moist, but not soaked. Third, reduce the chance of root rot by leaving the top of the soil dry between waterings.

Finally, avoid letting the plant sit in waterlogged soil, as this will also cause root rot.Signs of root rot include wilting plants, brown leaves, and a slimy or wet soil. Water your plant until the water drains from the bottom of the pot, then empty any excess water that remains in the drainage tray.

What nutrients does a Philodendron Crassinervium require?

If you want your Philodendron Crassinervium to grow quickly and healthily, you have to give it what it needs. Fertilizer is an important part of growing Philodendron Crassinervium indoors. However, there are many fertilizers that are bad for your plant. Before you fertilize, you need to know how to fertilize your Philodendron Crassinervium.

The best way to fertilize your Philodendron Crassinervium is with a balanced fertilizer that has nitrogen, phosphorus and potassium or a water-soluble fertilizer that’s specially designed for foliage plants. Nitrogen will help your plant grow sturdy leaves and branches, phosphorus will help with root growth and flower production, and potassium is essential for overall plant health.You can find these fertilizers at most garden or home stores. Be sure to follow the instructions on the package for the best results.

Crassinervium thrive when fertilized every other week. If you want to fertilize more often, that’s perfectly fine, but splitting the feeding into two weekly doses will ensure that the plant doesn’t get too much at once.

How to plant Philodendron crassinervium

The best way to plant your Philodendron crassinervium is by using a soil mix. The mix should be well-draining, and you should avoid using fertilizer until the plant is well-established. When you are ready to plant, loosen the soil in the pot and remove the plant. If the roots are growing in a circular pattern, you can gently untangle them before planting. Gently place the plant in the soil, making sure that the top of the root ball is at ground level. Then, backfill the soil around the plant, using your hands to pack it in gently. If you are planting more than one Philodendron crassinervium, make sure to space them out evenly.

What to Avoid When Potting Philodendron crassinervium

When potting plants, there are a few things to avoid. For one, never use soil from your garden or outdoor plants. Outdoor soil often contains pests and diseases that can harm your indoor plants. In addition, avoid using potting soil that is too dense or fine. Soil that is too dense will not allow your plant to breathe, and soil that is too fine will quickly become packed down and not allow for proper drainage. Instead, use a light, fluffy potting soil that will allow your plant to thrive.

Common Problems Associated With Growing Philodendron Crassinervium

Philodendrons are one of the most common household plants, and for good reason: they’re easy to care for and they add a touch of greenery to any room. However, like any other plant, they’re not immune to diseases. Here are some of the common problems that can affect philodendrons, along with their symptoms.

Infection from Fungal Pathogen

One of the most common problems with growing Philodendron Crassinervium is infection from a fungal pathogen. This pathogen can cause the leaves to yellow and die, and can even infect the stem.The best way to avoid this problem is to use sterilized potting soil and to avoid over watering the plant.

Yellow Leaves from Over-Fertilizer

Yellowing of leaves is another common problem with growing Philodendron Crassinervium. This is often a indication that you are over-fertilizing your plant. When the plant is getting too much fertilizer, the leaves will turn a yellowish color as a way of adapting and trying to survive. This problem can be solved by reducing the amount of fertilizer you are using and only fertilizing your plant when it is needed.

Curling from Salt Build-Up

Curling leaves is also one of the most common problems associated with growing Crassinervium species. This is often caused by salt build-up, either from over-fertilization or from using hard water to irrigate your plants. Over time, the salt accumulates and slowly dries out the leaves, causing them to curl inward. If you’re seeing this problem, it’s best to cut back on your fertilization and make sure to use soft water to irrigate your plants instead.

Also Read: Philodendron Pink Princess Growing Guide


Wilting is also common. This wilting can be caused by a few different things: over or under watering, lack of light, pests or diseases. The most common pests that affect philodendron Crassinervium are mealybugs and spider mites. If you think your plant is wilting because of a pest or disease, take a closer look and try to identify the problem. Once you know what is causing the wilting, you can take steps to institute appropriate measures.

Brown Spots from Sporidex

Brown spots on the leaves of your Philodendron Crassinervium can be caused by a fungal infection called sporidex. Sporidex lives in the soil and can be spread to your plant through water droplets, so it’s important to keep your plant’s leaves clean. If you spot any brown spots, take a closer look at the leaves to see if they’re curled or distorted. If they are, it’s likely that you have a fungal infection and you should treat it with a fungicide.

It Can Grow Too Tall

Philodendron Crassinervium is a fast grower and with appropriate care, it can grow too tall and become difficult to control. If you’re not prepared to deal with a plant that’s over 4 meters in size, it’s best to avoid Crassinervium altogether. Make sure you have a plan in place for how you’re going to care for your Philodendron Crassinervium, and be prepared to commit to regular maintenance.

Cracking brown spots on leaves

Brown spots can develop on the leaves of your Philodendron Crassinervium. While they might not look too appealing, they’re usually not a cause for alarm. In most cases, this type of spotting is caused by too much direct sunlight or an overwatering problem. You can usually get rid of the problem by adjusting your watering habits and moving the plant to a location with less sunlight. Make sure the pot has good drainage and that you’re not overwatering the plant, which can cause the soil to become soggy and the leaves to rot.

Grayish blue mold on leaves, stalk and roots

There is usually appearance of the mold which is grayish blue in color and it can form on the leaves, stalks, and roots of the plant. The mold can cause the leaves to wilt and die. If the mold is severe, it can cause the plant to die. To treat the mold, you can remove the infected leaves and stems of the plant and dispose of them. You can also treat the mold with a fungicide.

Mushy veiny black rot on Philodendron Crassinervium

One of the most common diseases affecting Philodendron Crassinervium is mushy veiny black rot. This disease affects the leaves, causing them to turn black, mushy and covered in veins. The veins will often ooze a black liquid that can quickly infect other leaves. The only way to treat this disease is to remove the infected leaves and spray the plant with a fungicide.

Loss of Leaves

One of the most telltale signs that your philodendron is sick is if it starts to lose leaves. The leaves might start to yellow, brown, or wither away, and there might not be any new growth. If you notice this happening, it’s important to take action quickly to deal with the underlying cause.

Sagging Leaves

This symptom is often caused by environmental stressors, such as Fusarium wilt. If you’re seeing this symptom, it’s important to take steps to diagnose and treat the disease. Other symptoms of Fusarium wilt include wilting leaves, leaf discoloration, and stunted growth. If left untreated, the plant will eventually die.

Red Spots on Leaves

One of the most common signs of a disease is red spots on the leaves. red spots on leaves may be caused by a fungus, bacteria, or viral infection. The spots may be small and scattered, or they may grow and cover large areas of the leaf. In some cases, the spots may turn black and dry out, giving the leaf a burned appearance.

Pests That Can Affect Philodendron Crassinervium

Spider Mites

Spider mites are tiny arachnids that feed on the leaves of your plants. They leave behind tiny webs and their bites can cause the leaves to become mottled and discolored. You can usually identify spider mites by the tiny dots they leave on the leaves. If you suspect you have spider mites, try tapping the leaves – if they jump, then you have spider mites. To treat spider mites, first identify the cause of the infestation and treat accordingly. You can use a horticultural oil or insecticidal soap.


Mealybugs are a common pest that can plague philodendrons. These tiny, sap-sucking insects can cause leaves to yellow and distort. If left untreated, mealybugs can cause extensive damage to a plant. Mealybugs can be treated in a few different ways. One is to spray the plant with a insecticidal soap. This will kill the mealybugs, but it can also harm the plant if used in high doses. Alternatively, you can remove the mealybugs by hand. This can be tedious, but it is a safe way to get rid of them without using any harsh chemicals.


Aphids are small, soft-bodied insects that can be green, black, or brown. They suck sap from plants, causing them to wilt and distort. If left untreated, aphids can cause extensive damage to plants. They can be controlled with insecticidal soap or horticultural oils.

Lace Bugs

lace bugs feed off the sap of the philodendron, which will eventually kill the plant if not treated. You’ll know you have lace bugs if you see small, black dots on the underside of the leaves. These dots are the insect’s feces, and they can be easily mistaken for mold or dirt. To treat lace bugs, you’ll need to get rid of the infestation with an insecticide. Be sure to read the instructions carefully and follow all safety precautions, as some insecticides can be harmful to humans and pets.


These tiny pests can be a real nuisance for philodendron owners. thrips are less than 1/16 of an inch long and are often difficult to see with the naked eye. They can cause extensive damage to leaves, making them turn yellow and drop prematurely. thrips also feed on the juices of the plants, which can stunt their growth. If you think you have a thrips infestation, take a close look at your plants and look for tiny, black bugs that move quickly. You can treat thrips with neem oil or a horticultural oil.


Philodendron crassinervium is a plant that does well in shade and moist soil, so it’s great for planting near drainage areas or basements. Once you learn how to properly care for Philodendron crassinervium plants, they will grow quickly and display beautiful large green leaves with red veins.We’re confident that with this guide, growing Philodendron crassinerviums will be no problem for you at all.