plant encyclopedia

Die Topfgröße gibt Durchmesser und Volumen eines Pflanzgefäßes an und beeinflusst Wurzelwachstum, Wasserspeicherung und Nährstoffversorgung. Wer Pflanzen umtopft, sollte die Topfgröße nur schrittweise erhöhen, um Staunässe und Wurzelfäule zu vermeiden.

Dry leaves indicate drought, lack of water or low humidity. Water regularly, increase humidity and avoid sunburn.

Nodien, auch Blattknoten genannt, sind die Wachstumspunkte einer Pflanze. Hier treten Blätter, Triebe und Luftwurzeln aus dem Stamm aus. Sie sind entscheidend für Verzweigung, Nährstofftransport und die Vermehrung durch Stecklinge.

Die Blattfleckenkrankheit ist eine pilzliche Infektion, die sich durch braune, schwarze oder gelbe Flecken auf den Blättern zeigt. Ausgelöst wird sie meist durch die Pilzgattungen Alternaria, Septoria oder Ascochyta. Begünstigt...

If a plant is exposed to direct sun for too long, leaf scorch can occur. This usually manifests as brown, withered, or spotty leaves.

Plants, both in the garden and indoors, can get sunburned from excessive UV radiation, which can lead to burned leaves and growth disorders.

Mealybugs are plant pests, usually recognizable by a slimy, white coating on the leaves. They can cause significant damage to plants and should therefore be controlled promptly.

There are various plant pests that can cause lasting damage to houseplants. It is crucial to detect an infestation early, correctly identify the pests, and combat them effectively.

Plants follow the natural annual cycle and adapt their growth and flowering accordingly. This results in different care requirements depending on the growth phase.

Overwintering plants involves tailored measures regarding location, care, and frost protection. These measures ensure that various plant species survive the cold season safely.

Mealybugs are plant pests that are noticeable by their small, cottony clumps and a sticky coating on the plant. They can significantly weaken the affected plant.

Curled leaves on your plant can indicate improper care, unfavorable environmental conditions, or pests. Often, the cause is insufficient water, dry air, or an unsuitable location.

Leaf rot manifests as dark, brown, or black spots on the leaves. The tissue becomes soft, mushy, and begins to rot, often accompanied by a musty odor.

Waterlogging occurs when excess water cannot drain away from the flowerpot and collects at the bottom. Over time, this causes the roots to rot and permanently damages the plant.

Honeydew is a sticky sap excreted by pests that accumulates on leaves. While it doesn't directly damage plants, it can promote problems such as fungal infections.

Variegation refers to the appearance of differently colored areas on leaves or plant parts. It can appear in various forms and colors, from white to light green to pink.

Photosynthesis is the process by which plants use sunlight to produce sugar as a basis for growth. At the same time, they release oxygen into the air.

Chlorophyll is the pigment that gives plants their green color. Only through this substance are they able to photosynthesize and convert light into vital energy.

Plant propagation can be done through seeds, cuttings, layering, or moss. In this article, you'll learn which method is suitable for which plants and which mistakes to avoid.

White spots on leaves can be caused by fungal diseases, pests, sunburn, or nutrient deficiencies. This article explains how to identify the causes, prevent them, and nurture your plants back...

Root powder is a proven method for promoting root growth in cuttings. In this article, you'll learn how it works, what types are available, and how to use it correctly...

Root rot is caused by too much water and leads to root death. Affected plants exhibit yellow leaves, weak growth, and a foul odor. In this article, you'll learn how...

The whitefly ( Trialeurodes vaporariorum ) is a feared plant pest that attacks houseplants and greenhouse plants. It sucks plant sap, weakens plant growth, and promotes sooty mold. An infestation...

Repotting is essential for healthy plant growth. Choose a suitable pot, loosen the roots and add fresh substrate to create optimal conditions.

Mold is caused by waterlogging and poor ventilation. Remove affected soil, improve drainage and avoid overwatering to protect plants.

Watering is crucial for healthy plants. Check the soil beforehand, use appropriate methods and avoid common mistakes such as over- or under-watering.

  Thrips, also known as fringe-winged insects, are tiny plant pests that feed on cell sap, leaving silvery-shimmering spots on the leaves. A heavy infestation can significantly impair plant growth....

Scale insects are stubborn plant pests that attach themselves to leaves and stems and extract plant sap. They can be recognized by their shield-like shell and can weaken plants. With...

Cuttings are cut parts of plants, such as shoots, leaves or roots, that are used to grow a new plant. They are a simple and popular method of plant propagation....

Spider mites are plant pests that usually first become noticeable through fine webs on the plant. Since they can cause significant damage to the plant, an infestation should be combated...

Powdery mildew is a fungal disease in plants that is noticeable through a characteristic white, silver-gray or yellowish coating on the leaves. There are many different types of powdery mildew,...

Yellow spots on leaves are caused by care errors, diseases or environmental influences. The correct diagnosis and measures such as appropriate watering, fertilization and pest control help to quickly save...

Potting soil is essential for plant growth. Different types such as universal soil, special soil or peat-free alternatives offer individual solutions. Proper care, such as regular fertilization and replacement, ensures...

Fertilizing provides plants with essential nutrients such as nitrogen, phosphorus and potassium. Organic and mineral fertilizers offer various advantages. With the right dosage and technique, your garden or houseplant will...

Baby plants are young plants grown from seeds, cuttings or offshoots. They are inexpensive, adaptable and allow you to see the growth from the beginning. With the right care, baby...

Brown leaves indicate stress in plants and can be caused by drought, waterlogging, pests or nutrient deficiencies. With appropriate care such as optimal watering, increasing humidity and a suitable location,...

Cutting is a proven method of propagating plants, in which a branch or trunk is rooted directly on the mother plant. This technique is particularly suitable for woody plants, tropical...

Aerial roots are specialized roots that grow above ground and are found in many plant species. They perform a variety of functions, including water and nutrient absorption, anchoring to surfaces,...

Air plants, also known as Tillandsias, are low-maintenance plants that grow without soil and get their nutrients directly from the air. With over 600 species, including Tillandsia ionantha and Tillandsia...

Fungus gnats are small, black flies that often buzz around houseplants. They lay their eggs in moist soil, which hatch into larvae that feed on organic material and plant roots....

Propagating plants by cuttings is a simple and effective way to grow new plants. There are different techniques such as runners, layering, cuttings and suckers, each requiring specific plant types...

Aphids are common plant pests. Since these insects can multiply explosively, it's important to detect and control them early to save the infested plant.

  When plants develop yellow leaves, it can indicate various problems. Correct diagnosis and treatment are crucial to restore the plant's health.

Hydroponics is a method of growing plants without soil, where plants get their nutrients from a water-nutrient solution. This method offers numerous advantages such as more efficient water use, better...

Corrective pruning is an important houseplant care measure that improves the growth, shape and health of the plants. It helps plants grow bushier, prevents diseases and promotes flowering. Different plant...

Humidity is crucial for the health of houseplants. Tropical plants require high humidity, while desert plants prefer dry conditions. Low humidity can lead to dryness and pests, while too much...

The right substrate is crucial for the growth and health of houseplants. There are different types of substrate such as potting soil, cactus soil and orchid substrate, each with different...