Coleus, scientifically known as Plectranthus scutellarioides, is a fascinating plant known for its foliage and diverse colors. With Coleus, you can explore an endless palette of colors and patterns, allowing your creativity and garden to thrive with vibrant beauty. With its unique size and shape, striking leaves, adaptability to various growing conditions, and an array of popular varieties, the coleus plant has earned a well-deserved place in the hearts and gardens of many. Coleus plants are typically compact and bushy, reaching a height of about 1 to 3 feet (30 to 90 centimeters) and spreading outwards to create a full, rounded form.
Growing and Caring For Coleus
Coleus is known for its adaptability to various growing conditions, making it a versatile choice for indoor and outdoor cultivation. These plants thrive in well-draining soil and prefer bright, indirect light. They can tolerate some direct sunlight, but intense heat or prolonged exposure to the sun may cause the colors of the leaves to fade. Coleus also prefers moderate humidity levels and temperatures between 60°F and 75°F (15°C and 24°C).
When it comes to watering Coleus, consistency is key. Keep the soil evenly moist, but avoid overwatering, as Coleus plants are susceptible to root rot in soggy conditions. Mulching around the base of the plant can help retain moisture and suppress weeds. Also, Coleus plants should be regularly fertilized with a balanced, water-soluble fertilizer to promote healthy growth and vibrant foliage.
To encourage bushy growth and prevent legginess, pinch back the growing tips of Coleus plants regularly. This pruning technique promotes a more compact shape and stimulates the growth of new leaves, resulting in a fuller, more lush plant. Coleus plants are generally low maintenance, but they should be watched for pests such as aphids and spider mites, especially when grown indoors. These pests can be easily controlled with insecticidal soap or neem oil.
Coleus is often grown as annual in colder climates, but it can be perennial in warmer climates. To overwinter Coleus plants, bring containers indoors before the first frost or take cuttings to root indoors for replanting in the spring. With proper care and attention, Coleus plants can provide months of colorful foliage, adding beauty and interest to any garden or indoor space.
Leaves And Flowers
One of the most captivating features of Coleus is its spectacular leaves. The leaves are usually large and come in many shapes, including ovate, heart-shaped, or lanceolate. In addition, the edges of the leaves can be smooth or serrated, adding to the overall visual interest. However, what truly sets Coleus apart is the incredible diversity of leaf colors and patterns. From bold and vibrant combinations of red, yellow, orange, and green to mesmerizing blends of purple, pink, and cream, coleus leaves come in an endless array of striking patterns and shades.
While coleus plants are primarily grown for their foliage, they produce flowers, although they are not the main attraction. The flowers are small and often insignificant compared to the vibrant leaves. They typically appear as spikes or clusters of tubular blooms in shades of white, lavender, or blue. However, many gardeners prefer to pinch off the flowers to encourage the plant to focus its energy on producing even more stunning foliage.
Our Selection of Coleus
There is a vast array of popular Coleus varieties available, each offering its own unique blend of colors and patterns. Some of the most popular varieties that we sell at Martin Garden Center include Alabama, Defiance, Pat Martin, Pineapple, Sangria, Trailing Burgundy, Trailing Plum, and Wasabi.
#ReggieRights My favorite coleus combination ever … From my shaded garden circa 2015 included a background thriller of Wasabi Coleus (chartreuse green), my filler Defiance Coleus (red with yellow margins) & in the front, cascading over my wall, red wandering jew. For sun gardens, sub trailing plum coleus for the red wandering jew. Absolutely gorgeous till the first frost.
How To Propagate Coleus?
Propagating coleus can be done through stem cuttings. Start by selecting a healthy and mature coleus plant. Use sharp scissors or pruning shears to take cuttings about 4 to 6 inches long, ensuring each cutting has several leaves. Remove the leaves from the lower portion of the cutting, leaving only a few leaves at the top. Dip the cut end in rooting hormone to encourage root development.
Next, plant the cuttings in a well-draining soil mix and keep them moist. Place the cuttings in a warm and bright location, but avoid direct sunlight. After a few weeks, the cuttings should develop roots, and once they have established a root system, they can be transplanted into individual pots or directly into the garden.
Are Coleus Annuals or Perennials?
Coleus plants are typically grown as annuals in the Upstate, but can be easily propagated for the following year.
Is Coleus Poisonous To Cats?
The ASPCA lists coleus as toxic to both cats and dogs. The poisonous principle in coleus is colein, which can cause gastrointestinal upset, including vomiting and diarrhea, as well as potential dermatitis or skin irritation in cats. Keep coleus out of reach of pets or choose cat-safe alternatives for indoor and outdoor landscaping. If you suspect your cat has ingested coleus or is showing signs of illness after contact with the plant, contact your veterinarian or a poison control hotline for guidance.