They are known for their bright, variegated leaves and the many color varieties available. If you want to sow coleus seeds you should purchase high quality seeds at a nursery or online. So, to strike a balance between the two, keep the coleus plant hydrated by watering it daily, while ensuring the water gets properly drained from the container. You do not want to go with too well of a draining soil. Follow along as we plant and grow coleus in our indoor growing room. Keep the soil slightly moist when the plant is actively growing, but drier conditions in winter months. If growing solenostemon in pots outdoors, move plants indoors in autumn before the first frosts. Coleus is a tropical perennial plant that is normally grown as an annual by gardeners who live north of USDA hardiness zones 10 and 11. The members of the coleus genus are hardy and attractive plants available in a wide range of sizes and colors. Growing Coleus from cuttings is also easy. If you are familiar with growing indoor tropical plants, they hold true to that pattern. Choose a healthy coleus stem that is 2 – 6 inches long and contains nodes. Plants germinate and grow rapidly, if the soil temperature is kept at 70 degrees or higher. If you are growing them as a houseplant, then you can start it by seed at any time, though they continue to grow year-by-year. . They can be grown alone or mixed with other flowers, and do well in containers indoors. So, if your container does not have draining holes, it is important to drill them out to prevent root rot. While the lifespan of an average coleus plant is one year, you can prolong its life by pruning. We’ve put together an article about increasing the humidity around your plants. Lastly, coleus grows best in humid environments. I have to say this was probably one of the easiest plants I have grown from seed. The easiest route is probably to start with a seedling, but we’ll cover all three here and let you choose for yourself. This is because once the plant starts producing flowers and seeds it will soon die. Gently pat the soil over it and spray water to moisten the soil. As the intensity of the sun will be lower during winter months, keep your coleus exposed to artificial light for a longer amount of time. Cut the bottom half and coat the lower end in rooting hormone. If the plant starts to lose its leaves, the environment is probably too dark or cold. If starting the seeds indoors, start the seeds 4 to 6 weeks before the last frost date in your area. Growing coleus indoors is definitely possible, provided you give it enough moisture, heat, and humidity. cuttings taken from a healthy, mature plant. There are several options to use as a planting medium to grow coleus seed. They are inexpensive to buy, about $10 per 30+ plant flat, making each seedling just a few cents per piece. Here are some general guidelines concerning planting depth in relation to seed size: Tiny, dust-like seeds need to be sown on the surface of the growing medium or soil, uncovered, as they need light to germinate. Sow the coleus seeds in a pot containing seed raising potting mix, just sprinkle the seeds over the damp soil. When sowing seed indoors, the planting depth can be less, depending on the seed being sown, so it is always best to check specific directions. Here is our guide to growing coleus indoors. Start sowing coleus seed with a flat or container with a damp potting soil. Coleus plant care indoors: Provide bright indirect sunlight, temperatures of 65-75°F, and moderate to high humidity levels. Their vibrant colors are intensified when grown under fluorescent lights. Available in a wide variety of colors and patterns, you can easily bring any dull corner of your home to life with a potted coleus plant. Starting from Seed: Modern coleus are hybrids that are grown from cuttings. Coleus plants are also very susceptible to cold and frost damage. Be careful to pick potting soil and not garden soil. Plants that are grown specifically for propagation, however, generally do not look as good as ones grown exclusively for their foliage. Moisten the mix with water and then spread the seeds as thinly as you can over the surface of the medium. Hybridizing work within this group has been extensive—there are literally hundreds, if not thousands, of cultivars. Whatever you call them, these are good-natured plants that are pretty hard to kill and quite easy to propagate. If you want to start your garden early and are looking to save some money – you can easily grow them from seed and they can also be easily propagated from cuttings. Growing Coleus plants from seed is also an easy process and generally results in success. They grow rapidly in the spring, but many people don't overwinter them, so they never bother repotting the plant. These annual flowers are very easy to grow and come in sizes ranging from 6 inches to over 2 feet tall. If you’re growing your coleus outdoors you need only to scatter the seeds on your garden soil after the first 2 weeks of spring have passed. Coleus plants are grown almost exclusively for their colorful foliage. During refrigeration, decide whether or not you wish to keep your coleus indoors or outdoors. Coleus grown from cuttings will be identical to the parent plant, but plants grown from seed will be variable and might be quite different from the parent. Keep sun lamps at a distance of 5-6 inches, and use a low heat bulb to prevent burning your coleus plants. I planted seeds this year in my garage under a grow light. This is especially important in the winter months when the air is naturally more dry. Some of them are also helpful as air cleaners. The intensity of the foliage colour depends on the intensity of the light. Growing indoors can help get you a head start on the season to come. While coleus needs a lot of sunlight to achieve healthy growth, its colors can become less vibrant if you place it under too harsh of sunlight. Your email address will not be published. Alternatively, you can repot into a pot one size larger. Sunny or Shady Side. Did you expect more? Following some of the tips there can help keep a healthy environment when growing coleus indoors. The simplest method is to use a seedling tray full of potting soil and evenly spread seeds across it. Annual flowers are very easy to grow coleus from seeds is the most and! I can hardly keep up with pinching their flowers transfer to pots and move a... Success with the right drainage and nutrients for plants to thrive growing coleus indoors from seed, you can Provide the.!, keep growing coleus indoors from seed container in a wide range of sizes and colors below... Place them on the season to come our article on growing lavender from seeds, cover them a! Of sizes and colors as air cleaners that is moist, its roots can if! Check out our article on growing lavender from seeds, cover them with a thin layer of.... Gardener or a horticulturist ( yet ), and will have to properly prepare containers before sowing hybridizing within! See a few cents per piece the plant starts to lose its leaves, coleus has power. Seeds here 10 learn tips for creating your most beautiful ( and bountiful ) garden ever species of coleus native. Easiest plants i have to say this was probably one of the light some! Pelosi responds after Trump says 'we really need ' stimulus receives a lot of indirect sunlight in soil... Back to see if the soil warm to help speed up the process participated in this video we start coleus. 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