Outside USDA zones 9 through 11, coleus is a beautiful spring-through-fall annual. As a tropical plant, coleus can’t bear a chill and will blacken and die once the weather dips much below 50 degrees Fahrenheit. Keep your coleus looking beautiful through its growing season by pinching back the stem tips periodically.Click to see full answer. Hereof, is a coleus plant an annual or perennial?Coleus (Solenostemon spp. or Plectranthus spp.), however, are instead grown for their striking foliage, which helps make a bold garden statement. They are tender perennials, typically grown as annuals outside their native Southeast Asia. Are Coleus Plants Perennial Flowers?Subsequently, question is, can coleus survive the winter? A coleus plant is hardy, able to survive in both a container indoors and in the soil outside. However, being a warm weather loving plant, it will not survive a harsh, cold winter. When the weather begins to turn cold you will need to take some precautions to ensure a healthy coleus in the spring. In this regard, how do you keep coleus plants over winter? The basic idea for overwintering coleus is to cut pieces off your coleus plant, root them, plant them in pots and keep them growing in a sunny window through winter until it’s time to plant them outside in spring.Should you let Coleus Flower?Alternately, you can let the blooms grow and produce seeds. If a coleus plant has flower spikes, simply wait until the petals fall off and a small fruit is formed. Coleus plants are easy to start from seed, either indoors or outside when temperatures are at least 65 degrees Fahrenheit (18 C.).
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