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rose cutting


Question
I live in Melbourne Victoria Australia and need to know just how to start growing rose's from cutting and is there any different way for different tipes of rose's or can you just start them them all the same way.

Answer
Hello Jannine and thank you for your question!  Propagating roses from cuttings is not too difficult, and the method is the same for all roses, with very few exceptions.  The exceptions are those few roses which are well-known for not 'striking' (rooting) quickly or that have a very low percentage of striking. The Apothecary Rose is one example.

Otherwise, here's an easy way to propagate some cuttings at home:

For your region of the world, you don't have severe enough winters to take hardwood cuttings as a rose goes dormant for winter, so I'll stick to tip and semi-mature cuttings.

Tip cuttings:  Find a rose cane with flower buds on it or a flower or two.  Cut the new growth at the end of the cane; it will be softer, easy to bend and green.  Make your cutting just below a leaf node at an angle (the angle gives the cutting more area to set roots and it helps you to remember which end of the cane is the bottom.) The cutting can be 12-20cm long. Cut off the flowers or flower buds.

Now make two 2cm straight scrapes or wounds on the bottom part of the cutting, and scrape them opposite each other. The scrapes should be light, only until you see the slightly paler area under the green outer layer of the stem. This speeds up and increases rooting.

Get a clear container, whatever size you need depending on how many cuttings you'll be taking.  Some people use clear polythene cups and put a drainage hole in the bottom.  Fill your container with soft, childrens play sand. Moisten it but don't make it soaking wet with the cleanest water you have available.  Now use a chopstick or similar item to poke holes in the moist sand. One hole for each cutting, and they can be quite close together.

If you choose to use a rooting hormone, dip your cutting in it (follow the hormone's directions) and stick your cutting in the moist sand. When you've stuck all of your cuttings, very gently pour water around them to settle them into their holes.  Now cover the container with clear or opaque white plastic wrap.  Do not put the container in strong, direct light-it will cook the cuttings- but in bright diffused light. Warmth is more important in rose cuttings than is light, so they should be kept in a warm area, ideally 23-28 C degrees.
Make certain the plastic covering is tight or the cuttings will dry out.

Depending on the rose(s) you've taken cuttings from, they'll start sending out small roots anywhere from 2 1/2 to 4 weeks. Some take much longer, even 2-5 months, but those are unusual.  When the cuttings are rooted, acclimate them or harden them off slowly.  Little by little partially remove the plastic covering for a couple of hours each day going longer until they show increased growth and don't need the high humidity.  Gently pot them up in a good potting mix and feed them 1/4 - 1/2 strength fertilizer once weekly.  When they're large enough to go outside, they can be fed twice yearly.

For semi-mature cuttings, the method is the same as above, with some minor exceptions.  Take your cutting from the part of a cane where the soft new wood meets the hardening wood. It's where it won't bend quite as easily as a tip cutting.  Put these cuttings into zippy bags and keep them in the crisper in your refridgerator overnight.  This helps the cutting to callous and not rot when it's stuck into the moist sand.

I hope this helps and feel free to let me know if you have any further questions.
Best wishes,
Erin

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