August 26, 2024 8 min read 0 Comments
There are a number of different ways to propagate roses including suckering, tissue culture, seeds, etc. The easiest and most successful way to propagate roses is by taking cuttings of softwood, either in the late spring or early summer depending on your growing zone. These cuttings then spend around a year in their little pots and can be planted out the following year. Roses propagated from cuttings will usually take 2-3 years to begin flowering. It is also possible to do hardwood cuttings on roses which we will outline in another article.
The steps and supplies for taking and planting successful softwood cuttings are outlined in this article. You really only need a few things to be successful. Be sure to water your plants well the day before you plan to take cuttings. Well hydrated plants are more likely to root well.
The main difference between taking hardwood and softwood cuttings is that softwood, being taken during the growing season, has leaves. This means that maintaining humidity for the cuttings is important until they have established roots.
Softwood cuttings can be taken in the late spring or early summer just as the flowers are finishing up their gorgeous display. You want softwood cuttings that have just finished flowering as they are most likely to root. The average success rate for cuttings can be under 50% so always take more than you think you need.
Cut each stem with clean, sharp pruners. Keep your stems under 10 inches in length and place them into clean water immediately. Label each jar or bucket with the variety or a description on the flower if you aren’t sure.
Working with one group of cuttings at a time will help you keep each variety separate as you move forward.
Once you have all your cuttings prepared it is time to plant them. Use fairly moist but not sopping wet growing media, excessive moisture can cause the cuttings to rot before they root.
We also suggest that you use some type of root growth stimulator. It helps to stimulate root growth as well as protecting the cut ends from bacterial and fungal invasion during the rooting process. There are natural substances that can be used to stimulate root growth and protect cut ends. You can use aloe vera, honey, coconut water or a willow tea for this purpose. Instructions on these variations can be found below.
Rooting hormone in powdered, liquid or gel form can be found at any garden supply store. This is commonly used for cuttings in the US. It is important to note that synthetic growth regulators are contraindicated for organic certifications and some countries (including the EU) do not allow their use at all.
There are a number of well researched studies on the use of natural root growth stimulators. Not only are they a natural alternative to synthetic hormones, they are also less expensive, easy to make or find, and frequently something you already have around the house. In addition many studies have shown that they are frequently MORE effective than the chemical store bought alternative. This study in particular does a great job as A Review on the Use of Organic Rooting Substances for Propagation of Horticulture Crops. Highly recommended reading if this interests you.
The following tools can also help you propagate your house plants.
Willow tea contains many of the same components as store bought rooting hormone. It is easy to make and effective. Simply gather enough willow stem tips to fill a jar. You are looking for green or yellow wood and not the older brown wood. Remove all of the leaves and cut the stems into 1 inch pieces. Place all the stems in a jar and fill with boiling water. Let the mixture steep for 24 hours. Strain and keep refrigerated until ready to use. It will stay good for around two months (be sure to label well so no one drinks it).
To use for your rose cuttings, soak the stems in the willow tea for several hours or overnight as you would flowers in a vase. You can also use the willow water to water your cuttings the first few times you need to add water.
Coconut water contains a surprising number of vitamins and minerals as well as phytohormones that stimulate root growth. For more one this be sure to check out this article A Comparative Evaluation of Coconut Water as Root Setting Medium…
To use coconut water to stimulate root growth on your cuttings simply soak the bottom half of your stems in pure coconut water for 4-6 hours before planting.
Honey should be unheated when used as a rooting stimulator. It is assumed that the enzymes that are present in raw honey are part of what makes it successful as a root stimulator and these enzymes are heat sensitive. Honey also contains large quantities of sugars and trace vitamins and minerals that appear to stimulate growth of new roots.
To use for cutting propagation, dip the bottom ½ inch of the cut end into the honey and plant as outlined above. If your honey is too thick to make a thin coating you can dilute it with some distilled or boiled and cooled water.
You can purchase aloe vera gel or make your own if you have aloe plants. If purchasing, try to find one with limited additives although a little additional vitamins shouldn’t hurt. You can also make your own from aloe powder and distilled water.
To use for cutting propagation, dip the bottom ½ inch of the cut end into the gel and plant.
You can use a potato with a small hole drilled out of the center to propagate a rose cutting. Slip the stem into the drilled hole, cover it with soil and a humidity dome, and keep it moist. The potato works to help keep a humid environment for the rooting to thrive.
Roses can also be propagated from hardwood cuttings in their dormant phase. We will outline these steps in a separate article to include many of the other lovely plants you can propagate from cuttings.
Newer rose varieties that have been for sale less than 20 years are protected by plant patents and are not legal to propagate for sale or for personal use. Older rose varieties are fair game however. If you are unsure that the rose you have is safe to grow from cuttings you can do a rose search on HelpMeFind.
Many rosarians suggest starting with miniature roses as they are the easiest to grow from cuttings. You can start with whatever type you like but keep in mind that it is normal to have a success rate of 50% or less. It is best to attempt more than you would like to plant the following year. If you end up with more successful cuttings than you need it just means more to share with friends.
Taking softwood cuttings is an excellent way to propagate roses for yourself or to share with friends. You can also grow them up in pots for a few years in order to offer them for sale. Be sure to keep good labels on all your plants and cuttings or you may need to wait until they bloom again to know what you have. With a few supplies, time and a little patience you can have plenty of your favorite roses around for landscaping, potting up, growing and gifting.
Rajan, Rony & Singh, Gurpreet. (2021). A REVIEW ON THE USE OF ORGANIC ROOTING SUBSTANCES FOR PROPAGATION OF HORTICULTURE CROPS. PLANT ARCHIVES. 21. 685-692. 10.51470/PLANTARCHIVES.2021.v21.S1.103.
Richard A. Ogatis, "A Comparative Evaluation of Coconut Water as Root Setting Medium for Rhizopora Stylosa Hypocotyl Propagation", International Journal of Science and Research (IJSR), Volume 5 Issue 12, December 2016, pp. 2061-2063, https://www.ijsr.net/getabstract.php?paperid=ART20163907
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