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Country Living recommends taking 4- to 6-inch coleus cuttings before frost, rooting them in water and growing them indoors over winter. Roots typically form in about two to three weeks; the plants can move back outside in spring once soil temperatures are above 60°F.
Gardeners can keep coleus going through winter by taking 4- to 6-inch cuttings before frost, rooting them in water and growing them indoors, according to a Country Living gardening report. The method offers an alternative to letting outdoor plants die back in cold weather and buying new plants or seeds the next spring.
To start, choose a healthy coleus stem and use sharp, clean scissors disinfected with rubbing alcohol. Remove the leaves from the lower part of the cutting, then place the stem in water so the part where those leaves were removed is submerged. Rooting hormone is optional, the report says.
The cuttings should develop roots in about two to three weeks. Once rooted, they can be planted in soil and kept indoors as houseplants over winter. The report recommends moving them back outside in spring only after soil temperatures are above 60°F.
The advice is aimed at gardeners who still have time to take cuttings before a frosty night. It does not give a specific outdoor temperature forecast or a deadline that applies to every region, so local frost timing will determine how soon a gardener needs to act.
A Way to Preserve Favorite Plants
For gardeners who want to keep a particular coleus variety, propagation can preserve a plant without relying on it to survive outdoors through winter. Taking cuttings also gives growers a head start on spring planting, rather than waiting to buy replacement plants or start new seeds.
The approach may be especially useful for coleus grown in shady garden beds or containers, where its colorful foliage is a seasonal feature. Instead of treating frost as the end of the plant, growers can keep rooted cuttings inside and return them outdoors when spring conditions are suitable. The report does not compare the method’s cost or success rate with buying new plants.
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Why Frost Ends Outdoor Growth
The Country Living report describes coleus as an annual that dies back when frost arrives. That seasonal vulnerability is the reason it recommends taking cuttings while the weather is still warm, rather than waiting until cold damage has occurred.
Coleus is a fast-growing member of the mint family, according to the report, and its stems can be propagated in water. The report’s method is straightforward: remove lower leaves, submerge the exposed stem section, wait for roots, and transfer the cutting to soil. It presents indoor winter growth as a way to have plants ready for the next growing season.
“The trick is simply to take a few cuttings of your coleus while it’s still warm out and root them.”
— Country Living
Timing and Rooting Can Vary
The report does not identify a specific frost date, region, or weather forecast. Gardeners will need to use local conditions to decide when to take cuttings; the advice is to do so while it is still warm and before frost reaches the plants.
The stated two-to-three-week rooting period is an estimate, not a guarantee. The source does not detail how to care for cuttings if roots take longer, how much indoor light they need, or whether every cultivar will perform equally well. It also does not specify how to measure soil temperature or address local variations in spring conditions.
Root Cuttings Before Frost
Gardeners following the report’s advice should take cuttings before the first frost, prepare them in water and check for roots over the following two to three weeks. After roots develop, they can move the cuttings into soil and keep them indoors through winter.
In spring, the report advises waiting until soil temperatures rise above 60°F before moving the plants outside. The article offers a general seasonal method rather than location-specific gardening advice, so frost forecasts and growing conditions in each area remain relevant.
Key Questions
When should I take coleus cuttings?
Take them while it is still warm and before frost reaches the outdoor plant, according to Country Living. The report does not give a calendar date because frost timing varies by location.
How long do coleus cuttings take to root?
The report says roots should develop in about two to three weeks. It presents this as an estimate, not a guaranteed timeline.
Do I need rooting hormone?
No. Country Living says rooting hormone may be used, but it is not necessary for the method described.
When can I move the plants outdoors again?
The report recommends waiting until spring, when soil temperatures are above 60°F. It does not provide region-specific dates.
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