Coleus Indoors for Winter — Overwintering & Care Guide

Bring your outdoor Coleus inside for winter and keep it thriving. Light requirements, pruning tips, propagation from cuttings, and how to maintain vibrant leaf colors. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.

Here are the key things to understand: Coleus is a tropical perennial often grown as an annual but can overwinter indoors successfully. Bright light is essential to maintain the vivid leaf colors Coleus is known for. Leggy growth is common indoors — regular pinching keeps plants compact and bushy. Cuttings root in water in 1-2 weeks — the easiest way to start fresh bushy plants. Remove flower spikes promptly — flowering signals the plant to decline. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.

The most common reasons this occurs include: Coleus cannot survive frost — it must be brought indoors or propagated before first freeze. Lower indoor light causes colors to fade and growth to become leggy. Dry indoor air and consistent warm temperatures differ from outdoor conditions. Many gardeners prefer taking cuttings rather than moving large established plants. Identifying the root cause is the first step toward finding the right solution.

To resolve this, follow these recommended steps: Before frost, take 4-6 inch cuttings from your best plants and root in water. Place in the brightest window available — south-facing is ideal for color retention. Supplement with a grow light if colors are fading — 10-12 hours of strong light maintains vibrancy. Pinch growing tips every 2-3 weeks to promote bushy compact growth. Remove any flower spikes immediately — flowering causes the plant to decline. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.

This article is part of our Foliage Plants collection on Houseplants Wiki. We provide comprehensive, up-to-date information to help you find solutions quickly.