El finger tree, scientifically known as Euphorbia tirucalli and also as pencil plant, rubber tree, skeleton tree o little fingers, is a succulent plant that has conquered spaces in both gardens and interiors due to its unique appearance, easy maintenance, and great resistance. In this article, you will find a Complete and detailed guide with all the necessary precautions To keep your Euphorbia tirucalli in perfect condition, we provide information on its characteristics, dangers, and practical tips for its reproduction and propagation, as well as interesting facts and answers to frequently asked questions.
What is finger tree (Euphorbia tirucalli)?
Euphorbia tirucalli is a perennial succulent plant belonging to the Euphorbiaceae family. It is native to tropical areas of Africa and Asia, although today it is distributed in many warm regions of the world. It receives its common name from its long, green, leafless branches, which resemble fingers or pencils, and can reach several meters in length if conditions are optimal.
Over the years, the plant acquires appearance of a bush or even a small tree, and can grow to over five metres tall outdoors, although it remains much more compact in a pot. Its cylindrical branches are fragile and contain a very irritating and toxic white latex; for this reason, it is essential to handle it with caution.
Main morphological characteristics of the finger tree
- Stems: Green, cylindrical, fleshy and highly branched, generally without visible leaves at maturity.
- Level: It can grow to over five meters if grown in warm soil and climate; in pots it rarely grows taller than two or three meters.
- Flowers: Small, inconspicuous, yellowish flowers that appear at the ends of branches during warmer weather.
- Increase: Fast when conditions are right.
- Ornamental use: Perfect as a potted indoor plant, for terraces and patios, dry gardens, coastal gardens, and as a single specimen with a sculptural appearance.
Ideal location: indoor or outdoor?
The finger tree It adapts to both interior and exterior use, although its ideal place is in spaces with lots of natural lightExposure to direct sunlight promotes compact growth, thicker branches, and a more intense green color. In warm climates, it tolerates direct sunlight perfectly, but in cold areas, it should be kept indoors in bright conditions to protect it from frost or freezing temperatures, which can cause irreversible damage.
Place it near sunny windows if you have it indoors to prevent it from growing leggy and sparsely branched. Outdoors, find a spot that receives at least six hours of direct sunlight daily.
Watering the finger tree
As a good succulent, the Euphorbia tirucalli has low water requirementsWatering should be moderate and closely linked to the climate and season:
- In summer: Water more frequently, especially if the plant is exposed to direct sunlight. When temperatures are high, you can water every 7 to 10 days, checking that the substrate is completely dry before watering again. In particularly hot climates, watering can be increased to twice a week if the plant shows signs of dehydration (wrinkled or limp branches).
- In winter: Significantly reduce watering; watering once every 15 or 20 days is enough, as the plant enters a dormant period and excess moisture can cause root rot.
Key tip: It is better to underwater than to overwater. excess of water It is the main cause of death in this plant.
Soil type and transplant
Euphorbia tirucalli requires a sandy substrate, very well drained and aerated to thrive. An ideal potting mix might be:
- 2 parts coarse sand or perlite
- 1 part peat or leaf mulch
- 1 part loose garden soil
Make sure the pot has drainage holes To avoid waterlogging. If you grow it in soil, choose areas where water doesn't accumulate after rain.
It agrees transplant the plant in spring every two or three years, or when the roots emerge from the bottom of the pot. Transplanting is also ideal for propagating by cuttings.
Fertilization and manure
During the growing season (spring and summer), Euphorbia tirucalli appreciates biweekly or monthly subscribers with a liquid fertilizer for cacti or succulents, rich in potassium and low in nitrogen. Stop fertilizing in winter.
Pruning and maintenance
The finger tree does not require mandatory pruning, but you can trim branches if they become too large for the available space or if you want to control their shape. It is also recommended remove dry, diseased, or damaged branches.
Caution: Always prune with gloves and glasses to avoid contact with latex, which is very toxic and irritating to the skin and eyes.
Multiplication and propagation
La The easiest way to multiply the finger tree is by cuttingsThe basic steps are detailed below:
- Cut a healthy branch and let it rest in a dry place for two or three days, until a callus forms on the end (this prevents rot from excess moisture).
- Plant the cutting in a pot with very well-drained and barely moist substrate.
- Keep the cutting in partial shade and water very moderately until roots emerge and new growth is observed.
It is recommended to propagate the plant in early spring or summer to facilitate its rooting before the arrival of cold weather.
Is the finger tree toxic? Important precautions
El The white latex of Euphorbia tirucalli is highly toxic.. May cause severe skin irritation, blisters, ulcers, and irreversible eye damage upon contact. Ingestion can cause severe poisoning and is even dangerous for pets and small children.
- Always handle with gloves, protective eyewear, and long-sleeved clothing.
- Keep the plant out of reach of children and pets.
- In case of skin contact, wash the area immediately with plenty of soap and water. If latex gets into your eyes, seek medical attention immediately.
Most common pests and diseases
Euphorbia tirucalli is a plant very resistant to pests and diseasesHowever, they may occasionally appear:
- Cottony mealybug: It appears in very dry environments. Remove it manually or use an insecticide suitable for succulents.
- Root rot: Caused by overwatering. It's often fatal; check your watering and soil drainage.
- Occasionally they may appear aphids or mites in very dry and hot climates.
Varieties and ornamental forms
Within the Euphorbia tirucalli there are several ornamental varieties, such as 'Sticks on Fire', with reddish or orange branches, highly prized in contemporary gardening. The species can be grown:
- As an isolated specimen in a dry garden
- To create unconventional hedges
- In large pots on patios or terraces
- As an indoor plant in warm and bright environments
Uses and curiosities of the finger tree
In addition to its ornamental value, the finger tree has traditional uses in medicine in some regions (although its consumption is not recommended (due to the toxicity of its latex) and in small-scale rubber production. It is a very popular plant in xeriscaping and minimalist landscaping projects, due to its ability to grow in poor soils and harsh climates.
Its striking shapes, reminiscent of tentacles, coral branches, or an open hand, have made it a true object of desire among succulent plant collectors.
As an additional tip, observe the plant's development based on the light intensity: in low-light environments, stems grow less compact and lose their typical branched structure. In bright light environments, growth is more compact and vertical.
- Avoid frostIf your climate is cold, keep the plant indoors warm during the winter.
- Choose the pot well: Prefer clay or terracotta pots, which allow greater breathability than plastic ones.
- Control the sizeIf the plant grows too large, trim the branches and propagate new specimens.
- ventilate the environment: Although it tolerates a certain amount of environmental dryness, good ventilation promotes its health and prevents pests.