6,340 Garden Web Discussions | Growing from Seed

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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

Standard flats (trays) are 21x10.5. Is that what you need? If so most all of the xommon seed companies like Gurneys, Harris, Johnnys, Jungs, etc. offer them or if you want bulk quantities check out Novosel. They have good prices on all the basic equipment.

Otherwise your best bet is one of the greenhouse supply companies like FarmTek or Charleys.

Dave

Here is a link that might be useful: Novosel

    Bookmark     March 19, 2009 at 9:39PM
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macheske(6/7 NorthernVA)

Dave,
Thanks for the response. I'm looking for 8 x 20's or 12 x 20's to hold 4" square pots. It's such a waste of space under the lights to use 1020's. The closest thing I have found are some cookie sheets that I have that are 12 x 16 but again, they waste space.
Rick

    Bookmark     March 19, 2009 at 10:02PM
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macheske(6/7 NorthernVA)

No problem. Make sure you get rid of the material around the peat pellet when you transplant. They say that it disappears but people on here have shown that it restricts root growth.

    Bookmark     March 19, 2009 at 6:07PM
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tn_veggie_gardner(7)

Wow...seedling mania! =) They are a bit leggy, but not as much as many others i've seen. Simply provide them plenty of light (preferably sun, if zone permits) & replant leaving about the top third above the soil (if you have the time...that's a lot of seedlings!).

    Bookmark     March 19, 2009 at 6:15PM
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yiorges-z5il

Needed to store seed at 40F for 12 weeks germination time then 14-20 days

    Bookmark     March 19, 2009 at 5:17PM
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pondmaster101

Anyone get their's yet? Curious to see what brand/ seed count/ type ect! Keep us posted!

    Bookmark     March 18, 2009 at 7:09PM
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sassybutterfly_2008(7 NorthWest GA)

My code worked! Thanks Professor! :)

~Wendy

    Bookmark     March 19, 2009 at 10:52AM
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amna(6 (MA))

Thanks for the advice Dave. I've been leaving the lids open for a couple of hours at a time. While the white stuff hasn't disappeared, I think it might be lessening but happily the seeds have actually started to germinate and the seedlings are beginning to poke out :-)
I guess they didn't get too grossed out.

Amna

    Bookmark     March 18, 2009 at 8:22PM
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tn_veggie_gardner(7)

White stuff gone off my onion seedlings...yay! There was only a tiny bit of it anyways. I took y'alls advice and left the top of the Jiffy peat pellet container for a few hours, and whamo! no spider wed looking fungus. :)

    Bookmark     March 18, 2009 at 11:46PM
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morz8(Washington Coast Z8b)

Much too involved to try to give you a list, it's best to look up each plant on a reliable germination database for suggestions.

Here's one that's good although the suggestions are most often for seed that has been dried and stored or purchased commercially. Seeds freshly harvested may have different requirements.

Here is a link that might be useful: Clothiers

    Bookmark     March 18, 2009 at 11:05PM
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SmokyMist(7 East TN)

Yeah I'm sure I planted columbine. I collected the seed myself and I have so many different types that I collect alot of it. I've just never planted any before. I guess I expected tiny little columbine looking seedlings LOL. They currently are tiny, and each have 2-3 leaves, but don't look like columbine leaves. Outnproud, I have 82 varieties of sedum lol..but the only sedum I would say these look like is maybe a sarmentosum, but in shape only not texture.
I'll take a picture and post it that would probably help.

    Bookmark     March 18, 2009 at 7:43AM
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hardin(7 SE OK)

Usually the first 2 leaves are not the true leaves. Wait until they have 4 or more, then decide.

    Bookmark     March 18, 2009 at 10:32PM
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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

yes, if you aren't going to separate them and transplant the spares then the sooner you do the sacrifice bit on large plants such as these, the better.

Dave

    Bookmark     March 18, 2009 at 8:32PM
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papaver-somniferum(5)

I JUST SUCK IT UP AND BUY THE 72 CELL TRAYS. (sorry caps) ive tried other el-cheapo methods, but i always wish i had trays with tops once the weather warms up enuf to put everything outside during the day... i get a few years out of them, so i just buy 2 or 3 every year and keep the rotation going... watering with in-town tap water keeps disease and green slime at bay :) for only 4 bucks at dollar general, i dont want to bother hauling 500+ single seedlings in and out every day for 2 months

    Bookmark     March 18, 2009 at 2:50PM
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pondmaster101

Someone metioned banana seedlings here... How'd that work? How long does it take for them to get to be a good size? Thanks and good luck!

    Bookmark     March 18, 2009 at 7:11PM
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tomforlife

I have been planting artichokes in my zone 5 garden for 10 years. But the variety of seed you purchased might be very important. I've been planting imperial star hybrid that were bred for setting flowers (you eat the flower bud before it opens) the first year from seed. I have no experience with other cultivars. Its not too late to plant your seed for fruit production this year if you have the imperial star seed. You may inquire of the seed company of origin if you have another variety.

I don't know the viability of artichoke seed but I always have seed left over from the previous year which germinate quite successfully for me.

I plant my artichokes right in the ground. I don't think you'll have to worry about summer heat in your zone, after all they're grown in California and in the Mediterranean. They like good soil and adequate moisture, and many people say at least 15 days in cool temps (40F-50F) in order to set fruit. I've had fine production without this "chill period".

Good luck. I planted 25 seeds this year. Hoping for enough to pick them very young when the whole thing is edible, and maybe some for freezing as well.

    Bookmark     March 18, 2009 at 3:44PM
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tomforlife

Wanted to clarify.....

Start seeds in pots indoors beginning of March, then transplant into the ground after danger of frost. I do not plant them in pots so I can move them around. No need to do that. I've tried overwintering them with little success. Its easier to start them form seed each year.

    Bookmark     March 18, 2009 at 3:48PM
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dawnie_gardener

This is a good overview. Thanks

    Bookmark     March 18, 2009 at 12:51PM
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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

Mimosa's require dark and 80 degree soil to germinate. Constant bottom heat until roots are well established also helps. Nicking the seeds with an exacto knife or razor blade helps but isn't really necessary. Plant 1/2" deep in good moist potting mix (not dirt) and cover so light doesn't get to it. I use several thicknesses of damp newspaper.

Good luck.;)

Dave

    Bookmark     March 17, 2009 at 9:53PM
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outnproud(5 West MI)

Thanks for your tips Dave! I am glad someone else is enjoying this fun tree!

Tim

    Bookmark     March 17, 2009 at 10:31PM
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morz8(Washington Coast Z8b)

Someone asked about these several days ago for seed starting - Checking Terracycle website then shows the 'organic soil' in which to start the seeds is pure worm castings. Should already provide nitrogen, potassium, calcium, magnesium, iron, other trace minerals. The cells are quite small, you may not want/need to add additional fertilizer while your starts remain in them.

Let us know how your seedlings do - I haven't used or known anyone who has used them but it seemed like a fairly rich environment for starting seeds to me.

    Bookmark     March 15, 2009 at 4:23AM
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pondmaster101

Hi I am curious to see how you made out... someone I know picked up one from a big box store and all the seeds died... seems that they dry out much to quick. After they watered more: mold. I'd avoid if you can!

    Bookmark     March 17, 2009 at 10:09PM
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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

Be sure to review all the great FAQ's here too as they cover all many questions in detail. You'll almost always find the answer to any basic question covered there.

Dave

Here is a link that might be useful: Growing from Seed FAQs

    Bookmark     March 17, 2009 at 3:18PM
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tn_veggie_gardner(7)

I particularly like this excerpt from the "Ok, my seedlings are growing, now what do I do?" FAQ...

"When all your plants are in the ground, fix yourself a tall,cool one and celebrate !"

hehe

    Bookmark     March 17, 2009 at 4:41PM
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morz8(Washington Coast Z8b)

Quirkpod, that true of most seeds - they should be harvested when ripe and not left on the plant all winter. I'm surprised there were still intact pods on a tree peony after facing winter - usually they would have split open and spilled onto the ground by at least the first Fall storm.

    Bookmark     March 16, 2009 at 8:13PM
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quirkpod(7 Lewisville NC)

Just got this from a grower, Cricket Hill Garden:
>
> Planting Tree Peony Seed Pods
>
> In our garden, right after the bloom period, we are busy
> cleaning, trimming and cutting off the spent flowers. We
> "dead-head" both the tree and the herbaceous
> peonies soon after the flowering period. The plant uses
> energy to make the seeds, and it will sacrifice flowering to
> some degree if you let it go to seed. When your tree peony
> is older and there are many blooms, it is fine to let some
> of the flowers go to seed.
>
> The pods are harvested as soon as they are ripe, usually in
> late August or early September. Remove light brown to black
> seeds from seed pods and plant about 2" deep. We like
> to plant seeds in pots, sunk into the ground, so they are
> well marked. Often the seeds will germinate the next spring,
> but it may take two years. Both herbaceous and tree peonies
> are unlikely to come true from seed. You are growing a new
> hybrid, so expect that the plant may not be exactly like the
> mother plant. Move your young seedlings in the early fall,
> to a garden bed or individual pots.
>
> Be patient and tend them for about 4-5 years. Remember to
> feed plants for best growth. Tree peonies form new buds
> during the summer months. By fall, a bud is formed at the
> junction of the leaf node, on the woody stem. This is why
> you do not cut down a tree peony, it blooms on "old
> wood".
>
> We recommend feeding with Neptunes Harvest (or other
> fish-seaweed fertilizer) about every at least once a month
> during the spring and summer. We also use Azomite mineral
> powder to boost the plants' growth. Tree peonies respond
> well to low nitrogen-high mineral amendments in a balanced
> spectrum.
>
> And then one springtime your plant will reward you with a
> flower!"

    Bookmark     March 17, 2009 at 4:21PM
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