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Avatar for Drink
May 14, 2020 12:49 PM CST
Thread OP

I am looking to propagate my plant and can't decide on where to cut. I was thinking of one or two of the stems that are falling over on the sides. My overall goal is to try and make it look "thicker" or "bushier", but also the stems on the side are very loose at the root and can't support itself. I read that the stems still attached to the plant will grow new leaves over time. I also don't mind having 1-2 new plants to grow.

I'm open to just leaving it alone if that's best.

Thanks for any help.
Thumb of 2020-05-14/Drink/f6a16e
Thumb of 2020-05-14/Drink/ca9d45
Avatar for oneeyeluke
May 15, 2020 3:07 AM CST
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Birds Cat Lover Dog Lover Hummingbirder Organic Gardener
Since your dumb cane has grown tall and leggy, you can top the plant, or cut it back anywhere on the stem. Anywhere there is a node, you can grow roots in the right substrate.
To root dieffenbachia in water, cut stem sections that are 4 to 6 inches long and remove all the leaves. Place the cuttings in a glass of water, and change the water as often as needed to keep it clean. Keep the jar in a warm, brightly lit area out of direct sunlight. I use only RO or distilled water and change the water every 5 to 7 days,

The soil way to propagate your dieffenbachia is by rooting cuttings, either tip cuttings or stem cuttings. Place the small pieces or cuttings in a good medium for rooting and they will produce roots and, eventually, an entirely new plant. Cut the tips from the end of the plant or look for shoots coming from the main stem for the best plants..
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
May 15, 2020 9:16 AM CST
Name: Will Creed
Prof. plant consultant & educator
Any of the existing stems will produce new growth starting at the point where you make the pruning cut and grow upward from there. If you want the plants to fill out the bottom, then cut the stems all the way back to a couple of inches above the soil, as in No. 3. You can cut higher up, such as 1 and 2 in your photo, but the bare stem below will always remain that way. You can cut back the stems one at a time or all at once. Pruning will not harm the plant in any way; it will just alter its appearance and future growth.

Dieffenbachia stems cuttings propagate pretty readily in soil. I suggest that you take tip cuttings with no more than 2-3 inches of bare stem below the lowest leaves. Those tip cuttings can then be inserted into the base of the existing plant. That will provide additional stems in the same pot and help to fill it out down below.
Will Creed
Horticultural Help, NYC
Contact me directly at [email protected]
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