All Things Gardening forum→Can I use this as a seed starting mix?

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California (Zone 10a)
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Andy2019
Mar 11, 2021 12:59 AM CST
I have this soil building conditioner at home and I try not to go out to buy seed starting mix during this Covid time so can I use it as a replacement for seed starting mix? I also have some potting soil at home too

https://www.kellogggarden.com/...
[Last edited by Andy2019 - Mar 11, 2021 1:02 AM (+)]
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Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
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Weedwhacker
Mar 11, 2021 10:27 AM CST
I don't have any experience with the soil conditioner mix, but I've successfully used potting soil for starting my seeds for many years. Or, if you want seed starting mix, you could order it online.
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer /
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Name: Bob
Vernon N.J. (Zone 6a)
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NJBob
Mar 11, 2021 8:34 PM CST
I would also go with potting soil,You can Sterilize it in the oven, I think it was get it to 200 degrees for 30 min.
Name: Dr. Demento Jr.
Minnesota (Zone 3b)
RpR
Mar 12, 2021 10:00 AM CST
As that is designed to add to garden soil , you just mix up some soil, conditioner and use that.
I /we have used soil mixed with potting soil at times and have not had any problems.
Name: Sandy B.
Ford River, Michigan UP (Zone 4b)
(Zone 4b-maybe 5a)
Charter ATP Member Bee Lover Butterflies Birds I was one of the first 300 contributors to the plant database! Million Pollinator Garden Challenge
Seed Starter Vegetable Grower Greenhouse Region: United States of America Region: Michigan Enjoys or suffers cold winters
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Weedwhacker
Mar 12, 2021 8:51 PM CST
RpR -- are you saying you use outdoor soil mixed with potting soil to start seeds? I'm thinking I'd have an awful lot of bugs in the house if I did that...

(I'm also thinking that trying to sterilize potting soil or any other kind of "dirt" in my oven would be likely to be quite noxious? Maybe I'm just overthinking everything because I can't actually do much in the way of gardening yet?)
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer /
C/F temp conversion
Name: Zoë
Albuquerque NM, Elev 5310 ft (Zone 7b)
Region: New Mexico Herbs Salvias Composter Bee Lover Container Gardener
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NMoasis
Mar 12, 2021 9:05 PM CST
Andy I think your Kellogg soil conditioner might be too intense for starting seeds. Best to save that for working into your outdoor beds. Regular potting mix should be fine. Thumbs up
For me, gardening is really just an excuse for playing in the dirt. Admittedly, plants are a satisfying by-product.
Name: TK
Ontario, Canada (Zone 6b)
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Macrocentra
Mar 12, 2021 10:48 PM CST
I can't offer much for insight, as this is the first year I'm opting to start most of my vegetables and herbs from seed instead of buying young plants, but...

Just a few days ago, I compared some seed starting mixes with other mixes made by the same brands while at one of the local nurseries. Taking my current favorite brand for example... their 'seed starting' mix and 'tropical indoor' mixes were veeeery similar in ingredients and overall composition. I already regularly use their 'tropical indoor' mix (though I use it as a base. I always amend it with other ingredients) and have been happy with it. Given they were pretty similar with only small ingredient changes, I'm going to try just using the 'tropical indoor' with my seeds. I don't imagine it would have that significant an effect...? Confused
Name: Dr. Demento Jr.
Minnesota (Zone 3b)
RpR
Mar 13, 2021 12:20 PM CST
Weedwhacker said:RpR -- are you saying you use outdoor soil mixed with potting soil to start seeds? I'm thinking I'd have an awful lot of bugs in the house if I did that...

We have done so to transfer plants inside from outside in the past, big pots.
No bugs.
I would , when she wasn't looking add some seeds like onion, carrots in the ones in the basement, even potato a couple of times, in the ones outdoors.

[Last edited by RpR - Mar 13, 2021 12:27 PM (+)]
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Name: Bob
Vernon N.J. (Zone 6a)
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NJBob
Mar 13, 2021 8:32 PM CST
According to one of the reps from one of the soil companies is that the main difference between reg. potting mix and their seed starting mix is it is sterilized and has a bit more drainage.
Name: TK
Ontario, Canada (Zone 6b)
Cactus and Succulents Sempervivums Adeniums Bromeliad Tropicals Aroids
Hibiscus Sedums Container Gardener
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Macrocentra
Mar 13, 2021 11:21 PM CST
The one I used as an example, the only real difference is that the seed starting mix had limestone added to it (small quantity). I'm not familiar with the use of limestone with seedlings? Would that have a major impact?

Being sterilized makes sense.
Name: Bob
Vernon N.J. (Zone 6a)
Charter ATP Member Bookworm Snakes Plant Database Moderator I was one of the first 300 contributors to the plant database! Forum moderator
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NJBob
Mar 14, 2021 7:52 PM CST
A little lime in the mix is to balance out the acidity of the peat moss in the mix.
Name: TK
Ontario, Canada (Zone 6b)
Cactus and Succulents Sempervivums Adeniums Bromeliad Tropicals Aroids
Hibiscus Sedums Container Gardener
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Macrocentra
Mar 14, 2021 7:57 PM CST
Ah, okay. Makes sense. Thumbs up

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