For potted plants, any good-quality peat-based potting mix will work fine. Fill the container up to 2/3 with soil and make a small hole to fit the cutting. Mixing the seeds with fine sand before sowing can help you to spread the seeds more evenly with a bit more of a gap between the seeds. Soil . Coleus plants do best if the soil isnât dry or overly wet. Coleus require little maintenance. Any of the Kong coleus varieties show off their best attributes when sold in 4" pots or larger.Color: Mix of Kong Mosaic, Red, Rose, Salmon-Pink, and ScarletAnnual PACKAGING Coleus can be added to beds and borders for interest or grown in containers. ... Alstroemaria 'Hybrid Mix': £1.58 per plant. Extra huge leaves that cover the well-branched plant habit make the Kong coleus series an excellent choice for both container gardens and bedding. Keep a seed tray or small pots indoors, and fill them with seed starting soil or potting soil. Ideally, the soil used to grow the coleus would be neutral or marginally alkaline. Plant the cuttings in moist potting soil when roots are about 1â³ long. My Coleus I planted in the Potting Mix is still alive and kicking, so I figure we must have found the answer. Caring for coleus is just as easy. Coleus colors are more intense in shade; they look washed out in full sun. Use a soaker hose or drip system to deliver water to the base of the plant without wetting the foliage. Use a pencil to poke some holes, and place the cuttings one in each hole. Taxonomy: Plectranthus scutellarioides Seed Type: Annual (Perennial in zones 10 â 11) Sow Indoors or Outdoors: Coleus seeds are popularly grown as both indoor and outdoor favorites. Don't plant new Coleus in the Garden Soil. Coleus plants also need re-potting when they outgrow their pots. Plant your coleus in a sturdy container that wonât tip over if it does get to be 2 feet tall. Coleus may be grown from seed sown early indoors and transplanted outside after frost, or from potted plants. During the winter when growth is slower, scale back slightly on watering. Keep them in a shady place or an area with filtered sun to enhance the color on the foliage. A stunning foliage display plant, this is a compact coleus variety. This cultivar is a colorful variation of coleus; it has many different colors and they all come as a surprise. Coleus is a genus of annual or perennial herbs or shrubs, sometimes succulent, sometimes with a fleshy or tuberous rootstock, found in the Old World tropics and subtropics. Coleus seeds need light and warmth to germinate. 4. Coleus plants will adapt to a wide range of temperatures above 55 degrees, but will grow best when they are kept between 70 and 85 degrees. Provide 65-75 ºF soil temperatures. Grown from Coleus seeds, this carefree annual mix offers dazzling foliage that is sure to attract lots of attention. Fill a pot with moist potting soil. When planting coleus in areas that don't get much sun, be careful not to overwater. If youâre replacing soil with a different blend, mix it with the older soil as much as possible: you donât want to just top it off. Plants can be negatively impacted by different soil layers in one pot. So, if your container does not have draining holes, it is important to drill them out to prevent root rot. Thereafter, water when the entire top inch of soil is dry (check below the soil surface every three to five days). Be careful not to over fertilize, though, or your coleus in pots may lose their brilliant color. Pinch off the small flowery tips to promote fullness and lessen leggy stems. They donât need any special soil and can be planted in an all-purpose soil mix. Starting Indoors: Start indoors 8-12 weeks before the last frost. From Stem Cuttings. Sowing Seed Indoors: Sow indoors 6-8 weeks before last frost using a seed starting kit. Coleus (Fairway Mix) - What an excellent container plant for your shady porch or patio! Use a very well-drained soil mix when growing coleus in containers. The mix consists of 12 wizard varieties. Delivers bushy plants full of vibrant colour reaching 8-10in in height and spread. Prepare small containers of loose, rich potting soil. The 2nd method is to propagate Coleus cuttings in soil. Coleus steals the show with its showy foliage. However, coleus plants grown with adequate bright sun and minimal shade typically experience thicker foliage that is, by and large, brighter. This cultivar is 10 inches tall and can spread 10 to 14 inches wide. These grow very fast and seeding should ideally be started indoors.