Sempervivum forum: Seed Sempervivum

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Name: Kevin Vaughn
Salem OR (Zone 8a)
JungleShadows
Jan 25, 2014 1:10 PM CST
These warmer days have made so many pots start germinating. I'm going to have "Skrocki-like" numbers of seedlings this year!

When we have an overcast day again I'll shoot pictures of some of the "torched" sempervivum that froze during our cold spell. we went from warm and wet to FROZEN like overnight so nothing was ready for it. Of course the worse damage was on the ones i wanted most to use as parents but maybe that's telling me something: don't use those ones as parents. In contrast, the ten I just named have come through the winter like troopers. Probably should stay on those liners now that i have such pretty ones PLUS great plant habit.

Have a good group up from 'Killer' X 'Fuego' that should be bright and pretty. If they're anything like my first group from 'Killer' crosses it will be hard to throw anything away.

Ok out to play in the dirt! Or should I say SOIL??

Nice tip on the boiling water. I have baked the soil in the oven too although that certainly stinks up the house. Bake it in disposal aluminum baking cans covered with aluminum foil at ~250F for ~1h. Don't do this if you have perlite in the mixes though as that melts into a mess.

Kevin
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Million Pollinator Garden Challenge Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level
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valleylynn
Jan 25, 2014 1:27 PM CST

Moderator

No baking for me. Rolling my eyes.

Think I'll go out and see if any of my seed is starting to germinate.
Kevin, refresh my memory. Do you put a fine layer of seed starting mix over the seeds, or just leave them exposed?
Name: Julia
Washington State (Zone 7a)
Photo Contest Winner 2018 Garden Photography Region: Pacific Northwest Celebrating Gardening: 2015 Forum moderator Plant Database Moderator
I was one of the first 300 contributors to the plant database! Dog Lover Sempervivums Container Gardener Foliage Fan Greenhouse
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springcolor
Jan 25, 2014 5:16 PM CST
Here's the seed try to day. Have rot going on in there!! Grumbling I sprinkled some cinnamon on there, may help.
When do you replant these guys. The next batch I do will be in a lighter soil , this seed starting mix holds too much water.
Thumb of 2014-01-25/springcolor/68a315 Thumb of 2014-01-25/springcolor/a75944

Sempervivum for Sale
Name: Bev
Salem OR (Zone 8a)
Sempervivums Container Gardener Foliage Fan Garden Ideas: Master Level Photo Contest Winner: 2014
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webesemps
Jan 25, 2014 5:20 PM CST
Wow, you look like you have thousands.....
Name: Julia
Washington State (Zone 7a)
Photo Contest Winner 2018 Garden Photography Region: Pacific Northwest Celebrating Gardening: 2015 Forum moderator Plant Database Moderator
I was one of the first 300 contributors to the plant database! Dog Lover Sempervivums Container Gardener Foliage Fan Greenhouse
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springcolor
Jan 25, 2014 5:23 PM CST
Yes, just crazy!!! So a few that die is probably a good thing. Hilarious!
Sempervivum for Sale
Name: Bev
Salem OR (Zone 8a)
Sempervivums Container Gardener Foliage Fan Garden Ideas: Master Level Photo Contest Winner: 2014
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webesemps
Jan 25, 2014 5:24 PM CST
Part of the evolution of things... Shrug!
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Million Pollinator Garden Challenge Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level
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valleylynn
Jan 25, 2014 5:40 PM CST

Moderator

Mine haven't germinated yet.
Looks like you still have a kazillion. Blinking
Name: Julia
Washington State (Zone 7a)
Photo Contest Winner 2018 Garden Photography Region: Pacific Northwest Celebrating Gardening: 2015 Forum moderator Plant Database Moderator
I was one of the first 300 contributors to the plant database! Dog Lover Sempervivums Container Gardener Foliage Fan Greenhouse
Image
springcolor
Jan 25, 2014 5:42 PM CST
Yep, Who needs a thousand? Rolling on the floor laughing Rolling on the floor laughing
Sempervivum for Sale
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Million Pollinator Garden Challenge Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level
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valleylynn
Jan 25, 2014 5:47 PM CST

Moderator

Rolling on the floor laughing Rolling on the floor laughing Rolling on the floor laughing
I just think about finding enough space to plant them. And how long it will take to plant them. Wonder how Kevin does it? And at what stage? @JungleShadows
Name: Kevin Vaughn
Salem OR (Zone 8a)
JungleShadows
Jan 25, 2014 8:15 PM CST
You want to wait until they get at least 4-5 sets of true leaves before they can go into rows in the garden.. Mine go about 1" apart in rows 4-6" apart. I do zigzag them qa bity in the row so that each one has enough room to grow. In the cobweb rows you can go a bit closer although they tend to clump up quickly too.

What I do is to try to tease out group of the seedlings with the soil still attached and then make rows out of them, separating them gently. It is definitely one of those NO COFFEE exercises as you want to have a STEADY HAND. I always leave a bit of the potting soil as I transfer to the row. That seems to cut down on transplant shock. If you can do the process in a light rain it works even better although my neighbors I'm sure have thought "too stupid to come in from the rain". You see what I do for the semps??

If you have the room you can do this process in stages, transferring groups of small seedlings to new pots and then allow those to grow to a size that you can plant outdoors in specially prepared beds. With VERY high densities of seedlings, that might be the only plan.

Now you see why Ed Skrocki raising 20K seedlings each year was so impressive!

Kevin
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Million Pollinator Garden Challenge Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level
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valleylynn
Jan 25, 2014 8:57 PM CST

Moderator

Wow. Blinking
Name: Calin
Weston-super-mare UK (Zone 7b)
Bulbs Lilies Plant and/or Seed Trader
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fixpix
Jan 27, 2014 5:03 AM CST
Wow Julia,
Sooo many.
I still feel sorry for the little ones that died :(
Name: Julia
Washington State (Zone 7a)
Photo Contest Winner 2018 Garden Photography Region: Pacific Northwest Celebrating Gardening: 2015 Forum moderator Plant Database Moderator
I was one of the first 300 contributors to the plant database! Dog Lover Sempervivums Container Gardener Foliage Fan Greenhouse
Image
springcolor
Jan 27, 2014 10:39 AM CST
Me too, Calin but have to look at the bright side, the ones that survive will be tougher.
Sempervivum for Sale
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Million Pollinator Garden Challenge Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level
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valleylynn
Jan 27, 2014 12:36 PM CST

Moderator

I agree
Name: Mark
South Paris, Maine (Zone 5a)
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markb
Jan 28, 2014 5:18 PM CST
Hi folks, Haven't visited here for some time. Just started my crosses today. Mostly different jovibarba bee pollinated crosses. A thousand seeds most likely. Maybe next year I'll try hand pollinating, but that's not likely. Started many other species of seed from Seed exchanges. a bit over the top but it's hard to control that desire to have it all.
Name: Bev
Salem OR (Zone 8a)
Sempervivums Container Gardener Foliage Fan Garden Ideas: Master Level Photo Contest Winner: 2014
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webesemps
Jan 28, 2014 5:31 PM CST
Oh, glad to hear from you Mark and thanks for the update. I can see why you haven't visited; you're a busy man with fun stuff to distract you !!

Report from my winter sow jugs of "Patty" semp seeds so far: Planted Jan 14th and so far only two tiny green "artifacts" that I am going to assume is germinated seeds... Green Grin!
Not much but am happy something in the jugs are "green"[email protected]
Name: Julia
Washington State (Zone 7a)
Photo Contest Winner 2018 Garden Photography Region: Pacific Northwest Celebrating Gardening: 2015 Forum moderator Plant Database Moderator
I was one of the first 300 contributors to the plant database! Dog Lover Sempervivums Container Gardener Foliage Fan Greenhouse
Image
springcolor
Jan 28, 2014 6:39 PM CST
Hurray! Hurray! Hope your 2 greens are germinated seeds!!!
Sempervivum for Sale
Name: Bev
Salem OR (Zone 8a)
Sempervivums Container Gardener Foliage Fan Garden Ideas: Master Level Photo Contest Winner: 2014
Image
webesemps
Jan 29, 2014 1:44 PM CST
Seven green "artifacts" today...and in the process of looking for them thru the mouth of the jugs, I think my eyes are better than hubby's (I think I will make an appt. for him at the eye doctor this month...)
Name: Kevin Vaughn
Salem OR (Zone 8a)
JungleShadows
Jan 29, 2014 4:25 PM CST
Just got the last of my semp and iris seeds planted before the rains hit on Tuesday and Wednesday. Like Mark, I have partaken in some of the seed exchanges, such as the North American Rock Garden Society, the Hardy Plant Society (UK) and various iris society seed exchanges. It is such fun to try something new or to get species and cultivar seed that is unavailable here in the US. With all the restrictions of moving plants from country to country at least we still can exchange seeds.

The semp seed from the earlier plantings are starting to germinate in many of the pots. Was surprised that some pots, like 'Shirley's Joy' X self, are germinating well. My batch from that cross in '12 gave me one whole seedling. There must be 50 in the pot this year. By the way, the one seedling from the '12 cross is quite a beauty. It may get a name if it continues to look good.

All kinds of things are coloring in the garden. Three of the ones I named in '13, 'Fashion Diva', 'Red Hot Chili' and 'Hot Tamale' have already colored up beautifullly. 'Forever Midnight' has never varied and a seedling that had very wide leaves has developed an incredible near black color. SUCH FUN!

Kevin
Name: Bev
Salem OR (Zone 8a)
Sempervivums Container Gardener Foliage Fan Garden Ideas: Master Level Photo Contest Winner: 2014
Image
webesemps
Jan 29, 2014 6:50 PM CST
Glad to hear that all the hard work is resulting in some excitement and fun for you, Kevin! Smiling

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