A Complete Guide to Propagating Roses | Cuttings, Grafting, and Division

One of the great joys of rose growing is propagating your favorite varieties by hand. Many people take on the challenge of propagation with thoughts like "I want more of those beautiful flowers" or "I'd like to share this with friends," but it's true that using the wrong method often leads to failure. In this article, we'll explain in detail the steps and success points for each method—from cuttings, which beginners can tackle easily, to grafting, which professionals rely on, and division, which is often overlooked.

Softwood Cuttings (Green Cuttings) | The Most Accessible Method

Softwood cuttings require minimal tools and cost almost nothing, making them a convenient propagation method. Success rates vary with your environment, but if you follow the right tips, even beginners can succeed. For more detailed information on selecting cutting material, see How to Propagate Roses by Cutting.

Best Timing and How to Select Branches

The most recommended times are early June, just before or after the rainy season, and autumn from September to October. Avoid extreme heat in midsummer and cold in winter, as these conditions lower rooting rates significantly.

Select branches for cuttings from mature wood after flowering has finished. Aim for branches about as thick as a pencil, measuring 12–15 cm long with at least three nodes. Thin branches or soft new growth lack enough nutrients and tend to wilt before roots develop. Taking cuttings during the cool morning hours helps preserve moisture in the stems and increases success rates.

Steps for Taking Cuttings

1. Use a sharp knife to cut the branch at a 45-degree angle (increased cut surface area promotes water uptake)
2. Remove lower leaves, leaving only 2–3 at the top (excess leaves cause water loss through transpiration)
3. Soak the cut end in water for about an hour, then if using a rooting promoter, soak the base of the cutting in Oxyberon diluted 200–400 times for 12–24 hours (following the label instructions for cut flowers and ornamental plants; roses fall into this category)
4. Insert into clean media such as vermiculite or pumice soil
5. Cover with a plastic bag or transparent lid to maintain humidity, and keep in bright, indirect light
6. Roots will develop in 4–6 weeks. The most important point is not to move the cuttings until roots are established

Source: Ministry of Agriculture, Forestry and Fisheries Agricultural Chemical Registration Information System (Oxyberon Solution)

Even after roots appear, do not rush to transplant into a larger pot. Wait until roots fill a small pot completely. Transplanting too soon can damage roots and kill the plant. In many cases, the first flowers will appear the following spring.

Plastic Bottle Cuttings and Water Propagation | Methods You Can Try Without Specialized Equipment

There are two ways to bring cuttings to rooting without preparing a traditional cutting bed, using materials you probably have at home.

Plastic Bottle Cuttings (Sealed Cuttings)

1. Cut a 2-liter plastic bottle in half and fill the bottom half with clean media (pumice soil or vermiculite), moistening it well
2. Insert the cutting prepared as described above and place the top half over it, closing the cap
3. Place in bright, indirect light. If condensation forms on the inside, humidity is adequate and little to no watering is needed
4. After 3–4 weeks, when new growth starts, gradually acclimate to outdoor air by removing the cap for a few days, then removing the bottle top for a few days

The high humidity inside the bottle prevents wilting from leaf transpiration. However, direct sunlight will cause the inside to heat up rapidly and create excessive moisture, so always place the bottle in shade.

Water Propagation Place the cut end of the cutting in water and change the water every 2–3 days while waiting for roots to form. The advantage is seeing root development clearly, but roots formed in water tend to be damaged after moving to soil, and the transplanting stage often kills them. Move cuttings to soil when roots are around 1 cm long, and keep conditions somewhat sealed at first to help them establish better.

Miniature Roses Are Ideal for Cuttings Most miniature roses are produced from cuttings and are own-rooted stock. Because the branches are thin and internodes are short, it's easy to take cutting material, and rooting happens quickly. The timing follows the same schedule as large roses—June and September to October—but near a window indoors, you can try cuttings almost year-round except in deep winter. If you use branches cut back after flowering as cuttings directly, you accomplish both pruning and propagation at once. For basic care instructions, see The Complete Guide to Growing Miniature Roses.

Grafting (Bud Grafting and Cleft Grafting) | A Technique Professionals Use

Grafting joins the "buds or branches of the variety you want to propagate" to the "roots of vigorous rootstock." Because the rootstock's strong growth vigor is leveraged, plants grow faster and flower more abundantly. While technique is required, beginners can master grafting with practice.

T-Budding (Summer)

This is the most common grafting method, performed in July to August.

1. Make a T-shaped notch in the bark of the rootstock (wild rose Rosa multiflora is the standard choice)
2. Take a mature bud (leaf bud) from the desired variety and remove it with a knife, leaving a small portion of the petiole
3. Slide the bud into the T-shaped notch in the rootstock
4. Secure firmly with grafting tape (polyethylene) to prevent drying
5. After 2–3 weeks, when the bud begins to grow, it has successfully taken

Purchase rootstock from a specialty supplier or grow Rosa multiflora seedlings yourself. If you start seedlings in autumn, they'll be ready for grafting the following summer.

Cleft Grafting (Winter)

This method is performed around February during dormancy and requires more skill than budding, but can accommodate thicker scion wood. Match the angled cuts of rootstock and scion so the cambium layers contact tightly, then secure with tape. Avoid drying during the healing period and keep out of direct sunlight.

Division | A Reliable Method for Own-Rooted Stock Only

Division increases the number of plants by physically splitting a single plant. However, this method applies only to own-rooted cuttings. Splitting a grafted plant divides only the rootstock portion and won't increase the desired variety.

Steps and Important Notes

The best time for division is the dormant period from December to February. Many commercially sold miniature roses have 3–4 cuttings potted together, and dividing them after purchase is the most common example of propagation by division. Separating them reduces failure from moisture buildup and crowding.

1. Carefully lift the entire plant and remove soil without damaging roots
2. Identify natural division points and split carefully using a clean knife or saw
3. Ensure each divided section has at least 2–3 roots and 2–3 shoots
4. Apply a fungicide (such as Topsin M paste) to cut surfaces and let dry
5. Plant in fresh media, water thoroughly, and keep out of direct sunlight

Dividing plants with few roots decreases survival rate. Prioritize "certain survival" over "maximum propagation" when deciding how many divisions to make.

Important: Check Before Propagating! Variety Registration and Plant Patents

Many rose varieties worldwide are protected by variety registration (Plant Breeder's Rights / PVP, a system separate from patent law). Propagating and selling or distributing protected varieties without permission is prohibited by seed and plant laws and patent law, and violations can create legal problems.

• Check plant labels or purchase receipts for notations like "registered variety" or "PVP"
• Protection lasts 25 years from registration (30 years for woody plants)
• Propagation for personal enjoyment is acceptable, but sale or distribution is prohibited

Popular foreign varieties (Delbard, Kordes, David Austin, and others) are often protected varieties, so be especially careful. Keep self-propagation only for your own enjoyment.

Also, when striking cuttings from multiple varieties at once, strongly recommend labeling each cutting with the variety name. It's a common problem to lose track of which variety is which after rooting.

Summary | Choose Your Method and Propagate Your Favorite Rose

The best method for propagating roses varies depending on your goal and skill level.

For beginners, start with green cuttings in June. The branches you cut when removing spent blooms can be used as cuttings directly, making pruning and propagation efficient and simultaneous. Basic pruning techniques are covered in Rose Pruning Guide. Miniature roses and vigorous varieties (Floribundas, shrub types) are especially easy to root and are ideal for beginners to practice with.

As your propagation skills grow, your connection with roses becomes deeper and richer. Don't be afraid of failure—start with a single branch. If you want more reliable cuttings, breed information, or expert guidance, using a platform like GrowerDirect, which brings together rose specialists selling direct from their gardens, lets you receive variety recommendations and growing advice tailored to your region's climate.