Philodendron White Knight
Scientific Name: Philodendron White Knight
Common Name: Philodendron White Knight
Philodendron White Knight care is an easy plant to grow and care for if given a good environment with high humidity and lots of natural light. If you are looking for a white variegated climbing Philodendron, the White Knight plant may be for you.
To give this Philodendron plant the best care, it requires well-draining soil, water the plant when the top inch of the soil is dry, provide it with bright indirect sunlight, temperatures ranging from 65-80F, and high humidity levels.
Quick Care Overview
Common Name | Philodendron White Knight |
Scientific Name | Philodendron White Knight |
Family | Araceae |
Origin | South America |
Growth Rate | Medium |
Identification | White markings with purple stems |
Height | Up to 10 feet tall |
Soil | Well-draining soil |
Water | Water when the top inch of soil is dry |
Temperature | 65-80F |
Sunlight | Bright indirect sunlight |
Toxic to Cats & Dogs | Yes |
Toxic to Humans | Yes |
Pests | Aphids, mealybugs, fungus gnats |
Diseases | Root rot, leaf spot |
Below we will dive deep into this Philodendron White Knight care guide.

Philodendron White Knight History
Philodendron White Knight is a gorgeous South American native. This easy-to-grow variegated plant is perfect for beginners. This intriguing climbing plant presents with gorgeous purple, green, and white coloring.
Philodendron White Knight Identification
Philodendron White Knight can be distinguished from other Philodendron’s with white markings by its purplish stems edged with white on the cataphyll. Variegation patterns can vary from large patches of white to small spots. Finally, the White Knight Philodendron is distinguishable by due to it having rounder foliage than ‘White Princess‘ and smaller foliage than ‘White Wizard’.
Philodendron White Knight Growth Facts
For this plant to grow at its best you should provide it with support, such as from a moss pole.
How Big Does a Philodendron White Knight Get?
The White Knight Philodendron can grow up to 10 feet tall.
Philodendron White Knight Care
The White Knight Philodendron will require high humidity to thrive. Consider adding a humidifier to your home or growing this plant in a humid room, such as a bathroom, if there is sufficient lighting.
Philodendron White Knight Soil
The White Knight Philodendron will do best if grown in an airy, well-draining mix. You may create your own perfect Philodendron soil by selecting a quality commercial potting mix and adding incorporations of perlite, orchid bark, and compost.
Philodendron White Knight Fertilizer
Philodendron White Knight should be fed with a balanced, liquid fertilizer monthly during the warm growing season of spring and summer. Ensure that you follow all label instructions and do not overfeed. You will not need fertilizer for a Philodendron White Knight during late fall and winter, as this may lead to overfertilization, which can lead to chemical damage due to chemical burn.
Philodendron White Knight Watering
Your White Knight Philodendron will prefer to be kept well-watered and have moist soil at all times. However, you should not oversaturate your plant’s soil with water, as this may lead to root rot. You should rewater your Philodendron after the top inch of the soil has dried. Watering frequency may be reduced in winter. Avoid overwatering your White Knight Philodendron or allowing it to sit in excess drainage water within the plant container’s drainage tray.
Philodendron White Knight Light Requirements
Philodendron White Knight will require bright indirect light in order to thrive and maintain its beautiful variegation without fading. However, too intense of direct sunlight will cause this Philodendron to scorch quite easily. Indirect, bright sunlight, such as from an eastern or western window, will be perfect for this Philodendron.
Philodendron White Knight Temperature & Humidity
The White Knight Philodendron will require bright, indirect light in order to thrive. You should strive to keep your Philodendron between 65-80 degrees Fahrenheit during the daytime and between 55-65 degrees Fahrenheit at night. However, you should never allow your Philodendron to be exposed to temperatures below 55 degrees Fahrenheit, as this may cause permanent damage. For this plant to grow at its best, it should be kept at humidity levels above 70%. Consider buying a humidifier or adding a pebble tray.
Repotting Philodendron White Knight
As the growth rate of the White Knight Philodendron is so dependent on its growing environment, the rate at which it will need to be repotted is variable. Whenever you see its roots poking out of its container’s drainage holes or appear on the soil’s surface, you will know it needs to be repotted. Select a container that is 1-2″ larger than the previous. Repotting should be done in spring.
Philodendron White Knight Maintenance & Pruning
The White Knight Philodendron will not require much in the way of pruning. Periodically remove any dead, diseased, or discolored foliage using sharp, clean, shears.
Philodendron White Knight Propagation
Philodendron ‘White Knight’ may be easily propagated through stem cutting. Cut a stem an inch below a node using sharp, clean shears to take a cutting. Place the stem into water, removing any lower leaves to ensure no foliage is submerged. The aerial root should be submerged underwater. After roots become 1-2″ long, plant them in soil, water thoroughly, and place in indirect light.

Philodendron White Knight Toxicity
Toxicity to Humans
Unfortunately, the White Knight Philodendron is considered toxic due to its calcium oxalate crystal content. Do not consume any portion of this plant.
Toxicity to Cats & Dogs
The White Knight Philodendron is considered toxic to cats and dogs. Do not allow your pet to consume any portion of this plant. However, in the event you believe your pet has ingested this plant, contact your veterinarian or animal poison control.
Philodendron White Knight Problems
Philodendron White Knight Leaves Turning Yellow
When the foliage of the White Knight Philodendron turns yellow, it is typically due to overwatering or exposure to too much sunlight.
Philodendron White Knight Leaves Turning Brown
When the foliage of your Philodendron White Knight browns, it is often due to too much direct sunlight, or a lack of humidity.
Philodendron White Knight Diseases
Although not particularly prone to any plant diseases, your Philodendron White Knight may experience issues related to overwatering such as root rot or leaf spot.
Philodendron White Knight Pests
Philodendron White Knight is commonly affected by aphids and mealybugs. Periodically inspect your plant for signs of infestation. Upon identifying an infestation, apply pest control. Ensure that you follow all label instructions.