Graptophyllum pictum — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Graptophyllum pictum

Graptophyllum Pictum

Updated · 579 observations
A NOTE OF INTEREST

Graptophyllum pictum, commonly known as the Caricature Plant or Ink Plant, is a tropical evergreen shrub indigenous to Southeast Asia and the Pacific Islands. It belongs to the Acanthaceae family and can grow up to 2 meters tall. The plant features glossy, dark green leaves that are oval-shaped with pointed tips, arranged in opposite pairs along its stems.

What sets Graptophyllum pictum apart is its striking foliage. The leaves display a variegated pattern with green, pink, purple, or white stripes resembling ink blots or caricatures, making it a popular choice for ornamental gardens and indoor spaces.

The Caricature Plant thrives in warm temperatures between 18-27°C (65-80°F) and high humidity levels around 60%. It prefers well-draining soil and requires regular watering but can tolerate short periods of drought.

The foliage of the caricature plant is truly eye-catching. Its vividly variegated leaves create a spectacular display that lasts all summer. Popular varieties include 'Tricolor', 'Lurido-sanguineum', and 'Igneum'. FUN FACT · FROM THE LIBRARY

During the spring and summer months, Graptophyllum pictum produces small pinkish-purple flowers in clusters at the ends of its stems. However, it is primarily cultivated for its unique foliage rather than its flowers.

Regular pruning is necessary to maintain a compact shape, as the plant can become leggy over time. Propagation is easily achieved through stem cuttings taken during the spring or summer months.

Overall, Graptophyllum pictum is an easy-to-grow ornamental shrub that adds color and interest to any setting thanks to its distinctive variegated foliage.

THE NAME

Caricature-Plant: If you examine the yellow patterns on the leaves of the caricature-plant, you'll understand how this shrub earned its intriguing name. Known scientifically as Graptophyllum pictum, the caricature-plant gets its name from the yellow markings on its leaves, which often resemble a human profile or face.

A note from PlantMom

Caricature-plant has a high level of disease resistance and is generally not prone to illnesses. However, if it is kept in a poor environment it can become more susceptible to disease. This plant also faces few insect pests. Regarding care, its requirements are moderate. It is important to give it plenty of sunlight, since insufficient light can make it more disease-prone and lead to thin growth. Because it is often kept indoors, it may need to be moved regularly to a well-lit spot. It does not require frequent watering. Overall, Caricature-plant suits most people, but it is best for those who can provide good light conditions.

— PlantMom
CARE GUIDE

How to keep Graptophyllum Pictum.

Light

The Caricature-plant grows best with a moderate amount of sun, though it can tolerate full daylight. Excessive light can cause wilting, while insufficient light prevents healthy growth. Native to regions with varying light conditions, it endures different sunlight levels throughout its growth stages and across seasons.

Water

Originating from tropical forests, the caricature plant thrives in moist conditions with consistent humidity. To mimic its natural habitat, it benefits from weekly watering. As an evergreen, it needs careful watering during the growing season to maintain vibrant foliage.

Humidity

This plant will thrive in moderate humidity, which is probably the level in your home. However, misting it a few times a week can be very beneficial. Make sure the room has good ventilation.

Temperature

For the caricature-plant to grow optimally, the ideal temperature range is 68 to 100 ℉ (20 to 38 ℃). In its native habitat it flourishes in warm, humid conditions. During colder months, it is best kept indoors or in a more protected location to avoid temperatures below 50 ℉ (10 ℃).

Fertilizer

Fertilization is essential for the care of the Caricature-plant. Regular feeding during the growing season supplies the energy needed to maintain its showy leaves and supports overall growth. Ignoring fertilization can lead to unhealthy foliage, reduced ornamental appeal, and stunted or weak growth that is more likely to break.

Pruning

To keep your caricature plant healthy and well-shaped, it’s important to prune it during its dormant winter period. Start by removing any dead branches, then trim the plant to encourage denser growth. Pruning not only enhances its appearance but also improves air circulation and light penetration, which helps in reducing pests. However, be mindful of the sap, as it can irritate the skin.

Pot & Repot

When repotting Caricature-plant, select a pot 1–2 inches (2.5–5.1 cm) larger with adequate drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball sits slightly below the rim of the flower pot. Water thoroughly after repotting and keep it in a warm spot with indirect sunlight.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Graptophyllum
Family
Acanthaceae
Hardiness Zone
10-12
Mature Height
1.22 m to 2.44 m
Mature Spread
0.61 m to 1.22 m
Leaf Color
Green, Variegated
Leaf Type
Evergreen
Flower Color
Purple, Red, Pink
Flower Size
2.54 cm to 5.08 cm
Bloom Time
All year round
Planting Time
Spring, Autumn
Harvest Time
All year round
ALSO KNOWN AS

Other names.

en Caricature-plant en Karotong en Temen
FREQUENTLY ASKED

Reader questions.

How should I water my Caricature-plant properly?

Your Caricature-plant is not particular about how you water it. You can use any common watering tool such as watering cans, hoses, or cups. Just make sure to water the plant directly into the soil. It's important to make sure all areas of the soil are evenly moistened to provide water to all parts of the root system. Using filtered water is recommended to avoid harmful particles in tap water. It's also best to use water that is at or slightly above room temperature to prevent shocking the Caricature-plant. However, the plant usually responds well to any type of water you give it.

Why do I have to put fertilizer on my Caricature-plant?

Caricature-plants require regular fertilization because their showy leaves require a lot of energy to grow and maintain. However, the challenge is that the plant needs to allocate energy not only for its leaves but also for the growth of its stems, branches, roots, and other vital structures. Neglecting fertilization can have two likely outcomes. Firstly, the leaves of the plant will lose their natural color and texture, making them appear unhealthy and detracting from their ornamental appeal. Secondly, the plant's overall growth will slow down or produce weak growth that is susceptible to breakage.

What are the sunlight requirements for a caricature-plant?

The caricature-plant, or Graptophyllum pictum, thrives best in environments receiving intermediate levels of sun exposure but can withstand full daylight conditions. Partial sun exposure, defined as about 3-6 hours of sunlight, is ideal, although the plant can also handle more than 6 hours under full sun. It's important to watch how sunlight moves through your garden to select locations that offer a balanced mix of light and shade, ensuring the plant's well-being. Originating from areas with varied light conditions, the caricature-plant can adapt to different sunlight situations across its growth stages and seasons.

What is the optimal temperature range for the growth of a caricature-plant?

The optimal temperature range for caricature-plant (Graptophyllum pictum) growth is between 68°F to 100°F (20°C to 38°C). It is a heat-loving plant that thrives in warm and humid environments. During colder months, it is advised to keep the plant indoors or in a sheltered space to protect it from temperatures below 50°F (10°C). Maintaining indoor temperatures above 20°C during winter positively impacts the plant's growth, while exposure to temperatures nearing 5°C can be harmful.

What should I do if I give my Caricature-plant too much or too little water?

Outdoor plants, particularly newly planted ones or seedlings, are susceptible to not being watered enough. It is important to remember to water them sufficiently for several months when they are young or recently planted. This is because once the roots are established, these plants can rely on rainfall for most of their water needs. For Caricature-plants grown in pots, there is a higher risk of overwatering. If you accidentally overwater your Caricature-plant, it is important to address the situation immediately. Firstly, stop watering the plant right away to minimize the impact of overwatering. Then, consider removing the plant from its pot to check the roots. If no root rot is observed, you can put the plant back in its container. However, if root rot is present, trim away the affected roots and consider applying a fungicide to prevent further damage. Lastly, repot the Caricature-plant in well-draining soil. In the case of underwatering, simply water the Caricature-plant more frequently. Underwatering is generally a simple issue to fix. When a plant is underwatered, its leaves tend to droop, dry out, and fall off. However, after being properly watered, the leaves will quickly regain fullness. It is important to adjust your watering frequency as soon as you notice signs of underwatering.

When should I fertilize my Caricature-plant for best results?

Caricature-plants benefit from occasional feedings, so there is no need to establish a set feeding schedule when planting one of these plants. To fertilize your Caricature-plant easily, you can apply fertilizer while watering it occasionally. During the growing season, your Caricature-plant also requires a decent amount of water. You can feed the plant once every two to three weeks, consistently throughout its period of new growth.

How can artificial lighting be used for caricature-plants?

When natural sunlight is insufficient, especially during winter or in spaces with less sun exposure, artificial lighting becomes crucial for the healthy growth of indoor caricature-plants. Opting for the right type of artificial light is vital, with LED lights being a popular choice due to their ability to be customized for specific plant needs. For full sun plants, 30-50W per square foot of artificial light is recommended, while partial sun plants require 20-30W, and full shade plants need 10-20W. The light source should ideally be placed 12-36 inches above the plant to mimic natural sunlight, and the plants should receive 8-12 hours of light per day to mimic the length of natural daylight hours best suited for their species.

How should I care for a caricature-plant during cold weather?

In cold weather, it is crucial to protect your caricature-plant from low temperatures, as it prefers warmth and is not tolerant of the cold. If temperatures drop below 20°C, especially towards 5°C, the plant's leaves might discolor, and frost damage can cause the plant to wilt, droop, or even turn brown or black. To care for the plant during such times, immediately move it indoors to a warmer environment. Place it near a south-facing window for ample sunlight but keep it away from heaters or air conditioning vents to avoid air dryness. If damage occurs, trim off the frost-damaged parts to help the plant recover.

How often do I need to water my Caricature-plant?

If your area doesn't get much rainfall, it's important to give your outdoor plants enough water. During the spring and fall, watering every 2 weeks should be sufficient. In the summer, you'll need to water more frequently. In the winter, when plants don't need as much water, water sparingly or not at all. If your Caricature-plant is young or newly planted, it will need more frequent watering to help it establish and grow. For potted plants, you have two options for determining watering frequency. One option is to follow a set schedule, either weekly or every other week. However, this may not always be the best approach as it doesn't take into account the specific conditions of your Caricature-plant's environment. The other option is to monitor the moisture level of the soil. It's best to wait until the top two to four inches of soil have dried out before watering again.

When is it not a good idea to add fertilizer to my Caricature-plant?

For most of the year, you can stick to a regular fertilization schedule for your Caricature-plant. This includes the active growing seasons of spring, summer, and early fall. However, it's important to note that during the winter, you should not fertilize the plant at all. This is because the Caricature-plant goes into a dormant growth phase during this time, where it either produces no or very little new growth. Since the plant is not actively growing, it requires less energy and therefore does not need any fertilizer during this period.

What are common symptoms of inadequate light exposure in caricature-plants?

Caricature-plants may exhibit several symptoms when they do not receive enough light, including lighter-colored new leaves indicating a lack of chlorophyll and essential nutrients, loss of variegation due to overproduction of chlorophyll, faster leaf drop as a means to conserve resources, leggy or sparse growth resulting in a stretched-out appearance, slower or halted growth as the plant enters a survival mode, chlorosis where leaves turn yellow from breaking down chlorophyll, sunscald causing pale or necrotic areas on the plant, leaf curling to minimize surface area exposed to sunlight, wilting from excessive water loss through transpiration, and leaf scorching characterized by brown, dry edges on leaves due to excessive sunlight.

What should I do if my caricature-plant experiences high temperatures?

During the summer, ensure your caricature-plant is not exposed to temperatures above 100°F (38°C), as it can become susceptible to leaf discoloration and sunburn if temperatures exceed 109°F (43°C). To mitigate damage from high temperatures, trim away any sunburned or dried parts of the plant. Relocate it to a spot that provides shade, especially during the intense midday and afternoon sun. Water the plant in the morning or evening to keep the soil consistently moist and help it withstand the heat better.

PLATES
Graptophyllum pictum leaf
PLATE 01 · leaf
Graptophyllum pictum leaf
PLATE 02 · leaf
Graptophyllum pictum flower
PLATE 03 · flower
Graptophyllum pictum flower
PLATE 04 · flower
Graptophyllum pictum fruit
PLATE 05 · fruit
Graptophyllum pictum bark
PLATE 06 · bark
ALSO IN THE LIBRARY

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