Okay

Managed to rescue a few!

Gonna try again.

 

Dypsis baronii don't germ well for me, no doubt because of my inteptitude.

45 minutes ago, palmad Merc said:

Seed rot, or plant rot? 

Seed

 

13 minutes ago, DoomsDave said:

Seed

 

I had mine in community pots Coco coir seedling mix and perlite 50 /50, constantly moist with bottom heat soil 39 degrees Celsius,popping like popcorn 

I had 11/11 (100%) germination from a RPS batch last year. No added heat, just indoor room temperature in baggies of sphagnum moss. Here’s one in April about 4-5 months after germination. A few have now opened the second frond 7-8 months after germination. A solid grower for me in cool Melbourne, I’m keeping them in nearly full shade for now. 

22 hours ago, palmad Merc said:

Hilliard, what is your soil mix? 

In a freeable mix the roots will develop alot quicker resulting in faster development. 

I've got these in equal parts 

Coco coir for pots, composted pine bark fines, course perlite, and hydrocorn (expanded clay pebbles). 

I just used a commercial potting mix that's inoculated with a large number of beneficial microbes. My approach is like 'tough love' with some of these seedlings, so that only the most hardy survive infancy and would have a chance to grow more mature under my local conditions. 

15 hours ago, tim_brissy_13 said:

I had 11/11 (100%) germination from a RPS batch last year. No added heat, just indoor room temperature in baggies of sphagnum moss. Here’s one in April about 4-5 months after germination. A few have now opened the second frond 7-8 months after germination. A solid grower for me in cool Melbourne, I’m keeping them in nearly full shade for now. 

While I didn't get the same germination percentage you did (congrats!), I more or less used your propagation method on my seeds... except I did keep them on a heating mat until I was ready to pot them.

Dypsis baronii don’t need bottom heat. I germinate mine in winter in a tin garden shed in clear plastic storage bins that might get into the 20C range during the day and single digit at night. I get around 70% germination this way. From 10 black petiole seed I have 7 plants. 

Have germinated lots of standard D baronii this way.

Here are mine today. Only 1 is showing the characteristic red coloration at this stage. 

Edited December 6, 20196 yr by Josue Diaz

7 minutes ago, Josue Diaz said:

Here are mine today. Only 1 is showing the characteristic red coloration at this stage. 

You'll get colour on the others, in time 

1 hour ago, Josue Diaz said:

Here are mine today. Only 1 is showing the characteristic red coloration at this stage. 

Nice color!  Definitely farther along than the two I have that germinated from RPS seed, which are still at the two-leaf stage.

Merc, can we see a photo of your largest one please.

Regards Neil

45 minutes ago, Neil C said:

Merc, can we see a photo of your largest one please.

Regards Neil

1.5 years from germination 

Edited December 6, 20196 yr by palmad Merc
Spell check

Impressive growth!!!

Regards Neil

Is there any differences between Dypsis baronii 'Black Petiole' in PRS and Dypsis baronii 'Black stem' in palmpedia?

On 7/14/2019 at 1:05 PM, John in Andalucia said:

I finished up with 5 seedlings out of nine seeds sprouted. I can't remember what happened to the four that didn't make it, but I think they were undersized and browned-off shortly after germinating. I was probably a little ruthless too, and threw out a couple of runts! I'm not sure if I'm keeping these too wet, as you can see - leaf die-back appears premature on one of them. This has claimed a whole leaf on one of the five. Do they prefer only lightly moist?

I saved my shipped seedlings without a developed leaf yet in a mix of leca, lava, pine bark and a small portion of coir.

On 7/14/2019 at 11:42 PM, palmad Merc said:

Hilliard, what is your soil mix? 

In a freeable mix the roots will develop alot quicker resulting in faster development. 

I've got these in equal parts 

Coco coir for pots, composted pine bark fines, course perlite, and hydrocorn (expanded clay pebbles). 

Apart from perlite and lava in its place, I used same ingredients to save few seedlings of this kind, which endured a 3 weeks long journey but finally the seeds had been  separated.

On 12/6/2019 at 7:58 AM, palmad Merc said:

1.5 years from germination 

@Than can you observe medium? 

1 hour ago, Phoenikakias said:

@Than can you observe medium? 

Nice one, I have been planting a few around the garden! 

2 hours ago, Phoenikakias said:

@Than can you observe medium? 

Looks so healthy as well!

1 hour ago, happypalms said:

Nice one, I have been planting a few around the garden! 

Ground is another, very different story...

36 minutes ago, Than said:

Looks so healthy as well!

Could not be otherwise!

2 hours ago, Phoenikakias said:

Could not be otherwise!

I have one last question: in such a medium, aren't the roots colder in the winter than if they were in soil?

2 hours ago, Than said:

I have one last question: in such a medium, aren't the roots colder in the winter than if they were in soil?

Interesting question. I have not encountered this problem in a particular way, because I keep pots in my south-facing cold frame. Before dealing with the warming up of a pot medium generally, I have first to cope with the wet and cool combination during winter. So there are priorities and urgent ones. Besides for such warming up of pot soil you can always use lukewarm water either directly from the boiler of from a tank expose to sun for a couple days.

12 hours ago, Than said:

I have one last question: in such a medium, aren't the roots colder in the winter than if they were in soil?

Maybe technically, but it’s really not the cold that does damage to roots generally, it’s the combination of cold and wet that promotes rot. Free draining mixes are very important in temperate climates I’ve found. 
 

For what it’s worth I kept 5 of my 11 sprouted seeds I mentioned earlier in this thread after gifting a few. All planted in the ground but now I’ve dug one to donate to the Melbourne Botajic Gardens soon. They’ve been slow but reliable and trouble free growers with some variability in colour and growth rate. They are now around 7.5 years from germination. 
 

 

15 hours ago, Phoenikakias said:

Ground is another, very different story...

Argh cold a wet, the palm growers enemy! 

I have a tiny seedling in a pot with light soil. When I repot it I will use this kind of medium. If it ever goes in the ground I will give it a raised bed with similar medium. Perhaps my leptocheilos would be alive now had I done the same thing back when I moved it to the ground. 

Excellent advice as always from PT!

12 hours ago, Than said:

I have a tiny seedling in a pot with light soil. When I repot it I will use this kind of medium. If it ever goes in the ground I will give it a raised bed with similar medium. Perhaps my leptocheilos would be alive now had I done the same thing back when I moved it to the ground. 

Excellent advice as always from PT!

Finally...

On 5/5/2026 at 7:22 AM, Than said:

I have a tiny seedling in a pot with light soil. When I repot it I will use this kind of medium. If it ever goes in the ground I will give it a raised bed with similar medium. Perhaps my leptocheilos would be alive now had I done the same thing back when I moved it to the ground. 

Excellent advice as always from PT!

Baronii and Ambositrae growing in such kind of medium

4 hours ago, Phoenikakias said:

Baronii and Ambositrae growing in such kind of medium

Beautiful colours

4 hours ago, Than said:

Beautiful colours

Tnx most cool tolerant Dypsis/Chrysalidocarpus spp are pretty easy this way.

@gyuseppe those juveniles originate from seedlings sent by @Ampli.

Wonder what happened to Merc’s Black Stems? Hope they went to a good home. 
 

@PALM MOD need “In memoriam” for Merc.