How to Grow Coleus - Planting & Caring

By Sharon & Team   /   Grassy Category   /   2023

Coleus, also called painted nettle or Indian coleus, is a tropical plant that is native to southeastern Asia, India, and Africa. Coleus is a popular houseplant and is grown for its colorful leaves. The leaves of the Coleus plant are variegated with colors such as green, yellow, pink, purple, and red. Coleus is a member of the mint family and has a square stem. The plant grows to a height of 12-24 inches and has a spread of 12-24 inches. Coleus is an annual plant and will die back in the winter.

How to Grow Coleus - Planting & Caring

Growing Easiness

Is it easy to grow Coleus plant? The coleus plant is easy to grow Both indoors and out, coleus are typically propagated by stem cuttings taken from the tips of young, vigorous plants.

Plant Size

How big can it be? The Coleus plant can range in size from 20-60 cm in height and width. This plant is a great addition to any garden, as it is relatively low-maintenance and can provide a splash of color with its beautiful leaves.

Growth Rate

How fast is the growth? While it typically takes an annual plant one full growing season to reach its mature size, a Coleus plant can reach its full size in just a single season. If you start with a handle, you can have an adult-sized plant in just a few months.

Coleus Basic Knowledge

Plant Form Grassy
Family Labiateae
Origin o.Yava, tropical Asia, Africa

Lifespan, Perennial or Annuals

How long is the lifespan? Because it is a perennial plant, it will live for more than two years. However, it will require some periodic renewal, such as replanting or trimming, in order to stay healthy and strong.

Ideal Temperature

What is the ideal temperature? The Coleus plant is a tropical plant and cannot tolerate cold temperatures. In the summer, the ideal temperature for the Coleus plant is between 60.8 and 77 degrees Fahrenheit. In the winter, the Coleus plant should not be exposed to temperatures below 53.6 degrees Fahrenheit.


What about the humidity? Since this plant originates from tropical and sub-tropical regions, it requires high humidity to maintain its vibrant coloration and growth habit. The best way to provide the required humidity is to grow Coleus in moist pebbles. By spraying the leaves and air around the plant regularly, you will maintain the necessary humidity levels and prevent leaf stains.

Light Requirement

What amount of light this plant needed? known as the painted nettle or coleus, is a member of the mint family. It is a tropical plant that is native to southeast Asia, where it is often used as a decorative plant. The plant can grow to a height of 2 feet and has colorful leaves that are often used in flower arrangements. The plant does best in bright light but can also tolerate some shade.

Soil Composition

What is good soil for Coleus? While there are many types of soils that can be used for Coleus plants, most gardeners prefer a soil that is a mix of four parts sod land, four parts leaf, two parts humus, and one part each of coarse-grained sand or perlite and peat. Another popular composition for Coleus plant soil is equal parts of leaf, turf, peat, and sand. Regardless of the composition you choose, it is important to always use a pot with an opening at the bottom to allow for drainage.

Watering Time

How much I must water Coleus? While too little water will cause the leaves to wilt and drop, too much water can be just as damaging. The pot should be placed in a container of water if the plant is not being watered. In winter, watering is moderate. Pour preferably with soft water.

Fertilizing and Nutritient

About fertilizer. If you want your Coleus to grow big and beautiful, you need to feed it. Fertilize Coleus 1-2 times a month during the growing season (April to October in most regions) with a liquid fertilizer.


How to reproduce Coleus? The Coleus plant can be propagated by cuttings, which root very easily in water or in wet sand. Another method of propagation is by seeds, which are sown in a bowl and slightly sprinkled with sand. Seedlings appear after 2-3 weeks. When 1-2 pairs of leaves appear on the seedlings, they are ready to be planted.


Why Coleus won't bloom? known as the painted nettle or coleus, is a species of flowering plant in the family Lamiaceae, native to tropical Africa, from Nigeria east to the Congo. It is a tender perennial usually grown as an annual, grown for its brightly coloured leaves which are often variegated. It blooms in late spring and summer with bluish small flowers. Flowering is not very decorative, weakens the plant and gives it a slovenly appearance, so it is better to remove flowers in a timely manner.

Transfer or Repotting

How much I must water Coleus? Although the Coleus plant can be transferred at any time of year, it is typically done every 2-3 years. More often than not, the Coleus is grown as an annual, which means it is replaced every year from cuttings.

Caring The Coleus

How to care the plant? Although the Coleus plant is technically a perennial, it is often grown as an annual. In winter, a large part of the foliage usually falls off, so in the spring it is necessary to radically cut off the shoots, leaving about 10 cm for more abundant growth and bushiness. Also need to periodically pinch the young shoots. Every week the plant should be turned not a quarter turn for symmetrical development.

Pests & Challenges

What is the challenge when caring Coleus plant? known that it affects whitefly, mealybug, spider mites. the most damage is caused by aphids. in general, the plant is quite hardy. lower leaves may fall as a result of poor lighting and lack of moisture. however, in winter it is a natural process. when the temperature drops below 53,6 ┬░ f, the leaves may fade and fall off. with insufficient watering withered leaves (but quickly restore turgor, if the plant is placed in a bucket of water). when there is a lack of lighting, the leaves turn green and fade. leaves turn yellow and fall off, and the stems blacken and rot while wetting the soil in the case of poor drainage. the tips of the leaves are dry in dry air or when there is insufficient watering. leaves can completely fall as a result of exposure to draft or supercooling. on the leaves appear light spots due to excessive lighting. slow growth is observed with a lack of nutrition.

Toxic & Poisonous Type

Are Coleus poisonous? Because all parts of the Coleus plant are toxic to both humans and animals if ingested, it is important to take care when handling or growing this plant. Allergic reactions are also possible, so it is best to avoid contact with the plant if you have any known allergies.