6,340 Garden Web Discussions | Growing from Seed

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

Once all the seed pots have sprouted I can remove the plastic cover from the miniature greenhouse, and then the chilies can get some good fresh (indoor) air.

Those pots that have already sprouted really need to be removed from under the cover as soon as they sprout, as soon as the seedlings break the soil service. Keeping them covered only encourages damp-off to develop and leggy plants because of the limited light. There is no benefit to keeping them covered and exposure to air, especially moving air is vital. I assume you know that the plastic covers are not required for germination. They are just a convenience for the grower and any cover should be removed for a period of time 2-3x daily for air exposure.

be sure to avoid moving the seed pots around too much if you don't have to. Also, you probably shouldn't touch the sprouts either. Their delicate stalks are very fragile and it would be a shame to break them and have to start over from seed again.

May ask what's the source of this info? It is contrary to standard practice. In the greenhouse we transplant 100's of seedlings, peppers included, at the cotyledon stage every day. With even minimal care it is easy to do and the plants not only tolerate it but benefit from it as well.

Dave

    Bookmark     February 15, 2012 at 5:20PM
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blufloyd(5 cent. il.)

Just back into the gardenweb. Not far from anywhere in Illinois.

Didn't knw a chili farm was even in Illinois.

    Bookmark     February 26, 2012 at 9:52PM
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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

Since it is primarily a South American tropical I'm just guessing that it isn't a big demand item in the US - thus the lack of seeds. And trying to find a South American based seed supplier seems to be more difficult than most any place else for some reason.

Dave

    Bookmark     February 25, 2012 at 5:39PM
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bronxfigs

Dave...

I'm guessing the same thing. But the nursery industry/plant retailers are in business to make a buck, and I believe that they would sell anything if there was a demand. Being a tropical plant, I would think, means little, if the public buys their products. The markets are loaded with Brugmansia, Hibiscus, and other plants that are not native to the US, and they have been mass produced, retailed for years in Garden Centers all over the world.

I'm now wondering if this plant has some major problems when grown in quantities needed for distribution? Who knows?

Anyway, I bought a few packets from your source. Now I will see what happens, assuming I successfully germinate the seeds.

Frank

    Bookmark     February 26, 2012 at 7:32AM
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dsb22(z7 VA)

Last month I germinated lettuce, spring onions and radishes indoors, then hardened them off and put them in a small greenhouse I purchased from amazon. It is only about 6' tall and 2' wide and fits nicely into a corner of our deck. I think it is functioning similarly to a cold frame. Like others have mentioned, the only drawback I've found is needing to monitor the internal temperature of the greenhouse. Once external temps get to about 60 outside, it is blazing hot inside and I have to remember to open it up. Other than that, it's working well for me. I'm planning to move pansy seedlings out to it soon. I am waiting to start tomatoes and peppers indoors closer to our last frost date though.

    Bookmark     February 16, 2012 at 11:38PM
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t-bird(Chicago 5/6)

gjcore - that frame looks awesome! What is your protocol for turning on the lights? And I assume that your temps for opening etc. are for daytime highs?

    Bookmark     February 24, 2012 at 9:10AM
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keriann_lakegeneva(5B WI/IL border)

I think it was because the dome was left on after germination. Right after the seeds show sings of life of break the surface the dome should be removed. The plant went into shock in my opinion. From super humid and hot under the dome to the correct climate of less humid and 75* and direct light. I would keep the dome off and see how they do. Don't over water and maybe start a few more if you need more. Just be sure to remove them from the dome as soon as they germinate, they will have much better chances.

FYI- domes are just used to keep the top of the soil moist while they germinate.. that is their only 'job'.

Good luck!

Keriann~

    Bookmark     February 24, 2012 at 7:37AM
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art33(6)

Hi HWG,

I suppose whether or not the celery seeds are still good would depend on how hot they really got. My guess would be that they are still good but refuse to germinate at those higher temperatures. According to the chart linked below, the optimal germination temperature for celery is 68 deg. and it will not germinate at all at much higher temperatures. I'd try moving the celery pots to a much cooler place and give them another week or so. According to the chart, they should start germinating in about seven days.

Hope this is helpful,

Art

Here is a link that might be useful: Germination Temperature Chart

    Bookmark     February 23, 2012 at 5:49PM
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highwaygardener(5)

Thanks, Art.

I moved the celery to the top of a piece of furniture that's out of the sun, but the temp there still gets up to 75 deg due to our woodstove, so I'll have to look again for another place. Perhaps a room on the north side of the house.

I sure do hope that they'll sprout now! They've had time to be wet, so I hope that they don't just turn to tiny little grains of mush. I guess we'll find out!

I transplanted some of the broc seedlings into the former pansy pots, so now we have 20 broc pots instead of the 10 I'd planned. I figured that we'd better go with our strengths!

I hadn't thinned out all the seedlings yet from the original pots, so I still had plenty of strong seedlings to choose from the extra seed we'd planted.

    Bookmark     February 23, 2012 at 6:59PM
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davemichigan(zone 6a (SE Michigan))

monet_g, sorry, your reply came probably the same time as I was typing my reply to Moonpeople, so I didn't see yours earlier.

Thanks for your suggestion. I have used wicking method for my African Violets, but they are mature plants. I was/am a little concerned about the vermiculite getting too wet, but as you said, I should try it out before the last day....

    Bookmark     January 27, 2012 at 12:28PM
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davemichigan(zone 6a (SE Michigan))

Reporting on what have happened since last post:

On 2/1, I decided to enclosed the seedling in a terrarium-like environment. Then I left town on 2/2. Here is how the "terrarium" looks before I left.

I just came back from overseas a couple of hours ago. This is how the thing looked like when I came back:

And here is how the inside looked/looks:

All seedlings survived my 3 weeks of absence!

    Bookmark     February 23, 2012 at 5:08PM
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who2ted(Z6/AZ)

Thanks, sounds like I'm good to go, and I have been looking for seed packets for those Sweet Candies and so far can't find any locally.

    Bookmark     February 22, 2012 at 12:30PM
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aquawise(zone 4 Utah)

I got them last fall at our local IFA. As soon as they get there seeds out I will see if they have them again. Most seeds Catalogs have them, its the red candy ones I cannot find seeds for. I will get back to you as soon as I know if they are carrying them this year.

    Bookmark     February 22, 2012 at 8:19PM
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naturemitch(3/4 WI)

I don't do the paper towel technique...too much work for me! But, I do have light above my sand bed, so the minute seedlings emerge they have light. I too don't wait for all seedlings to sprout before taking them off the heating bed(I do wait for a majority to sprout though), but I am a bit slower to remove my peppers. I have seen peppers absolutely stall once off that
heat:( Providing light when seeds germinate solves many issues.

    Bookmark     February 21, 2012 at 1:10PM
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nhardy(5b)

It sound like more work to sprout the seeds in towels. More chance of damaging the sprouts & roots. I'm starting seeds like my father showed me. I plant in Rubbermaid trays and use sheets of thick plastic to trap the moisture while on the heating pad. But I hold the pepper on the heating mat longer too.

    Bookmark     February 22, 2012 at 7:07PM
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flora_uk(SW UK 8/9)

'It is always fun to save a few bucks!'

I realise you are enjoying this project for its own sake and maybe relish working out the technical aspects of lighting etc., but all of your 'companion' plants are hardy and would grow perfectly well if sown outdoors. No bucks at all. Sledgehammers and nuts come to mind. ;)

    Bookmark     February 22, 2012 at 4:43AM
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hind_sight

Flora UK, yes I do have a tendency to really geek out on the engineering aspects, but right now it is getting down into the 20's at night so I don't knwo if those companions would survive, and with the plague of pests I had last year, I want to be sure these things are ready to help from the moment my veggies sprout outside.

    Bookmark     February 22, 2012 at 3:09PM
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gltrap54

Thanks flora uk! I'll sleep better tonight....... ;)

    Bookmark     February 21, 2012 at 5:02PM
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hind_sight

We're using the same lights. I have two of those fixtures over 4 trays total (as of today). But mine are probably leggy because they were too hot previously, and also maybe because they were under HPS lighting.

Keep us posted on how they harden off outside. I'm going to sow another batch of cabbage, broc/caul with my now lower temps and fluro lighting. I'll update later to see if there is a noticeable difference.

    Bookmark     February 21, 2012 at 7:51PM
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keriann_lakegeneva(5B WI/IL border)

I agree with mandolls. They look good!

I would bottom water (search on here for lots of advice and tips on that) and get the lights 1-2" away!

Have fun!

Keriann~

    Bookmark     February 19, 2012 at 4:24PM
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andrebox

Thanks guys. I watered them more and after a couple of days they are looking better. The true leaves are starting to come out.

    Bookmark     February 20, 2012 at 11:40PM
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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

Same here - Ferry Morse seeds are my preference by far over Burpee. Price differences aside, there are just as many, if not more, complaints about Burpee seeds on garden watchdog sites than about F-M.

Stray seeds in a packet leading to a different plant is possible with any seed company but it is difficult to blame not germinating or germinating but not fruiting on the seed itself. Those are grower-caused issues for the most part.

Dave

    Bookmark     January 17, 2012 at 3:43PM
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bcskye

I agree with Dave. I started using Ferry-Morse seeds quite a while ago and am very satisfied with the results I've had. I've quit using Burpee for the most part. I have used American seeds and haven't really been disappointed with them. Maybe I've been lucky or maybe I've just been doing things right for ... years. We won't discuss how many. I also like using seeds I've gotten in trades.

    Bookmark     February 18, 2012 at 4:31PM
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gltrap54

Thank ya! Indeed it does work! Bought a new digital Therm this year (for my heat mats), so I had to build a "germination station" because my heated shop wasn't cutting it..... Houses 4 mats nicely. $50 bucks, if ya include the duct tape! ;)

    Bookmark     February 17, 2012 at 8:31PM
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bcskye

Wow!

    Bookmark     February 18, 2012 at 3:37PM
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jcaldeira(Tropical - Fiji)

Dave, thanks for the links, and pardon my possible error, but I do not find the tall bags I am looking for on either of those links. I don't need the most common sizes; I need TALL bags, like a Pringles can but a little wider so the tap roots have room to grow. If they sell what I'm looking for, please give me specific directions.

Thanks,
John

    Bookmark     February 18, 2012 at 1:49AM
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digdirt2(6b-7a No.Cent. AR HZ8 Sun-35)

Well there is Tubex http://www.arborday.org/shopping/trees/TreeDetail.cfm?ID=271

and Rootmaker http://www.arborday.org/shopping/trees/TreeDetail.cfm?ID=269

but they are quite a bit more expensive. The easiest and least costly I know of are the ones I linked above. You just roll them into a tube of whatever size you want depending on the size of your cuttings, stand it up, separate the sides into one chamber with a bottom, and fill 1 chamber of the tube. For example the 1 gallon bags are 10" tall so rolled in 1/2 you end up with 3" in diameter, 10" tall tube.

You can also make your own rooting tubes out of any 3-4mil thick roll of plastic. Just cut a piece in the dimensions you want (height x finished diameter), turn it into a tube, overlap and tape the edges with duct tape, fold in the bottom like and envelope to seal it off, and melt in drain holes with any hot metal object - I use a soldering iron.

Hope this helps.

Dave

    Bookmark     February 18, 2012 at 10:50AM
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calistoga_al ca 15 usda 9

I have fastened heat cables under hardware cloth being careful that the cable does not touch or cross itself. I just tied the cable to the underside of the wire with string. It lasted for years. I would not recommend setting pots or anything else directly on the cable. I have tried burying the cable in wet sand with very poor results. The sand soon dries out and is a very poor heat conductor. Al

    Bookmark     February 17, 2012 at 8:50AM
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naturemitch(3/4 WI)

We use a sand bed with our heating cables, and depending on the wattage of the cable, you need to adjust the sand depth. For ex. our 25w hydrokable did not perform very well with sand that had a depth of 3/4" or more on top of the cable....at least for keeping our peppers toasty in a cool room. But, our 50w cable, easily chugs out enough heat to be buried a good inch under the sand and keep the pepper seeds at a toasty 80 degrees. We also do not keep our sand moist, in our experience the wet sand only made a difference (keeping things cooler) if the wattage of the cables were too low.
Also, I see no reason you couldn't use the cables on the wire shelves (at least the ones I use)...although I am thinking they will be a lot more inefficient due to heating the surrounding air as well as the wire shelves.

m

    Bookmark     February 18, 2012 at 12:22AM
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