New to growing your own tomatoes? This is the forum to learn the successful techniques used by seasoned tomato growers. Questions are welcome, too.
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#1 |
Tomatovillian™
Join Date: Jun 2011
Location: Eastern Suburb of Sacramento, CA
Posts: 1,313
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I'm sure this has been answered numerous times before, but I'll ask again since I didn't find my answer after a few searches. I started 50+ tomato seeds over nine days ago. Of those, it looks like about 15 have sprouted and will progress on to the next level. The rest remain dormant. I have the seeds on a heat mat, indoors, with a shop light running ~18 hours ON/day. The seeds are good and moist, setting in soil-less plugs that rest in a floating styrofoam "raft."
I'm wondering how long I should wait to see the loop of life before dropping in a 2nd seed? What's reasonable. I don't want to set on 35 or so duds for several weeks only to have to start the process over again with again uncertain results. I'm trying to minimize dual/triple starts, as I have limited supply on many of my seeds this year -- lot of trades, shares, etc. Thanks, Naysen Last edited by z_willus_d; February 13, 2012 at 11:19 AM. Reason: Added pics |
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#2 |
Tomatovillian™
Join Date: Nov 2010
Location: Douglasville GA
Posts: 115
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I have had tomatoes come up in as little as three days, and a few times a month, but average is about 6 or 7 days for me. Now I use Craig's dense planting method, and have great results with it. You don't need to use lights until they are up.
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#3 |
Tomatovillian™
Join Date: Apr 2011
Location: Texas
Posts: 44
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I am pretty much a rookie at this too, but I started some last week that germinated in 2 to 3 days on a heat mat set at 80 degrees. I wonder if the Styrofoam is insulating the soil from getting the full benefit of the heat mat. I think the temperature, variety and age of the seed could also contribute to a longer germination time.
Brian |
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#4 |
Tomatovillian™
Join Date: Jun 2011
Location: Eastern Suburb of Sacramento, CA
Posts: 1,313
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Thanks guys. I'm certain the seeds are nice and warm. I can touch the top of one of the plugs, and it's quite warm to the touch. The light warms from above as well, so we're around 70-80F in there. Some of my plugs/seeds that did sprout, did so in as little as 3-4 days. I'm not too keen on waiting a month to find out that I have dud seeds. I guess I'll just drop another seed into the plugs that are lifeless and hope it's not a systemic issue (some kind of damping off or fungus), but simply less than ideal seed sources.
-naysen |
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#5 |
Tomatovillian™
Join Date: Jan 2010
Location: zone 6b, PA
Posts: 5,664
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Having tried one cell of more than 100 varieties at once, it's not a good sign if they're not up at 2 weeks. Some might pop up after that but if you want to have some from every variety and you have the seed, I'd drop some at a week to 9 days. Today is day 12 for a couple of mine and I've pretty much lost hope. JMO
Kath |
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#6 |
Tomatovillian™
Join Date: Feb 2012
Location: Iowa
Posts: 390
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What are your humidity levels in the container?
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#7 |
Tomatovillian™
Join Date: Jan 2011
Location: Northern Illinois ZONE 5a...wait now 5b
Posts: 906
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Is that a bio dome?
Some for me usually pop up within 3 and then the majority in 5 days or so ....maybe a few stragglers in 8-10 but by then they are all peeping through unless I have some dud seed. I have almost a 100% rate with the dome. Might be time to drop in the second seed. I don't put lights on them until they peek through.
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Brian |
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#8 |
Tomatovillian™
Join Date: Jan 2006
Location: NY z5
Posts: 1,205
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Try using a probe-type meat thermometer to check the temperature at the level where the seeds are, which shouldn't be more than 1/4" below the surface. If the temperature is much over 80-85*F there, dial it back a little so the seeds don't get cooked.
If you planted the seeds more than 1/4" deep that could be part of the problem. Just a thought for the 15 or so that have sprouted, they need to be a lot closer to the lights than the flat in your pics is. The lights shouldn't be more than an inch or two above the tops of the plants. For seeds that haven't sprouted yet it doesn't matter though. |
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#9 | |
Tomatovillian™
Join Date: Jun 2011
Location: Eastern Suburb of Sacramento, CA
Posts: 1,313
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BTW, I see this fuzzy white fur on the stems of some of the seedlings. It's concerning. Could it be the beneficial mycos, or bad stuff? Not sure... -naysen |
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#10 |
Tomatovillian™
Join Date: Jun 2011
Location: Eastern Suburb of Sacramento, CA
Posts: 1,313
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#11 | |
Tomatovillian™
Join Date: Jun 2011
Location: Eastern Suburb of Sacramento, CA
Posts: 1,313
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Thanks, Naysen |
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#12 | |||
Tomatovillian™
Join Date: Jun 2011
Location: Eastern Suburb of Sacramento, CA
Posts: 1,313
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Thanks, Naysen |
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#13 |
Tomatovillian™
Join Date: Aug 2009
Location: Muskogee, Oklahoma
Posts: 664
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Yes, the light will dry out the top part of the soil and prevent germination.
JMHO ron |
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#14 |
Tomatovillian™
Join Date: Jun 2011
Location: Eastern Suburb of Sacramento, CA
Posts: 1,313
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Ok. It sounds like it's time to segregate the seed starting set from the seedling nursery. I was hoping the dome would help keep the seed soil-less surface good and moist, but perhaps not enough.
Thanks, naysen |
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#15 | ||
Tomatovillian™
Join Date: Jan 2011
Location: Northern Illinois ZONE 5a...wait now 5b
Posts: 906
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Sorry I cannot be more help! Brian
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Brian |
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