I dont know if leaflets need to calouse over, but i just put some rooting hormone on the ends and stick them in the dirt and mist every other day. In about 2 weeks most are just starting to poke out of the soil.

I have an graptopetalum in the ground, that regularly drops leaves (or i wiggle some off) and just leave them on the ground and in a few weeks little plants are growing.

Hello, Sam!
Crassula argentea is an older name, now a synonym for Crassula ovata, the ubiquitous Jade :-)
To root the leaves, place them in a small container with potting mix, with just the stem-end
in the mix (not too deep - in fact, many leaves/cuttings will root simply laying ontop of the soil).
Don't put them in full sun - find a shady windowsill where they won't cook. You should see roots
begin to form within a few weeks. Some folks lightly mist their cuttings; others don't.

But that should do it.

Josh

What kind of soil do you suggest I use? I have regular potting soil that I have been mixing with perlite to create a 1:3 ratio of soil:perlite. Is this sufficient?

Also, I had some "regular" jade leaflets in soil that seemed to be on the verge of rot. I thought the soil mixture had sufficient drainage, and watered the leaflets when it was very hot and the moisture in the soil of my other plants evaporated very quickly. Then the temperatures here in Vermont dropped and it was overcast for about a week straight, and the soil did not dry as I had anticipated. I decided to place the jade leaflets in a mixture of soil and perlite (maybe 60-70% perlite). Is this a better mixture for the jades?

Thank you!

Sam

Yes, that sounds like a good ratio of soil to Perlite.
once the plantlets are ready for transplant, I recommend a grittier mix, with things like pumice,
turface, quartz or granite grit, and approximately 20 - 30 percent small bark (1/2 - 1/4 inch) as
the organic fraction of the soil.

Josh

Sam

here are photos of some of the leaves that rooted for me (Echeveria 'Black Prince', E. Shaviana, E. 'Perle von Nurnberg', Adromiscus cristata, and C. Gollum)
They were all started sometimes in end of March-April, all of these have roots. As you can see, some are faster growers than others - at least for me. I mist them lightly couple times a week.

Rina

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Great photos, Rina. I have scoured the web looking for photos just like that!

Is it more important to mist cuttings that have just been set on top of the soil and not buried?

Sam

Sam,

Indeed it is - there's no reason to water when there are no roots. Misting every day / other day is the recommended course.

Sam

I forgot to mention that I did not mist or watered them immediately. Started misting very lightly approx.10 days later. I read from some other members that they don't mist at all.
Most of my leaves (ones in photos above are all grown from leaves) were not burried, they just sit on top of the soil. I treat all of them exactly the same.

I did't have much experience rooting leaves before, so am very happy with resuls (have some more growing).

With cuttings, I always leave them to callus first before putting is the mix. After potting, I wait at least a week before starting to mist or water lightly.
I find jade very easy, leaves 'sprout' anywhere they fall. I have cuttings (branches that were trimmed off my original plant) that I left bare for months, & they are still OK. Here is one stump waiting to be potted - it was cut off sometimes in March...really overdue!

Rina

Thank you for the advice! I have one leaf that has sprouted (I found it that way) and misted about 1/2 an inch around it to promote root spread.

I did the same to the leaves I am trying to root (misted about 1/2 inch around, but not directly on the leaf), but I will refrain from doing that for a week or two until I see some roots showing.

Sam

Thank you for the advice! I have one leaf that has sprouted (I found it that way) and misted about 1/2 an inch around it to promote root spread.

I did the same to the leaves I am trying to root (misted about 1/2 inch around, but not directly on the leaf), but I will refrain from doing that for a week or two until I see some roots showing.

Sam

Sam,
I made a typo in my previous post - the small bark I mentioned should be between
1/8 and 1/4 inch for use in a porous, succulent mix :-)

Josh