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 How do I grow Mamms from Seed?

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Mamms in the Rain



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Location : Mountlake Terrace, WA, USA
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PostSubject: How do I grow Mamms from Seed?   Sun Dec 03, 2017 7:44 pm

I am interested in growing some plants ffrom seed this spring, and I am not sure how to go about it. What containers, soil, lights, and so on.

Thanks for your help.
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Chris43
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PostSubject: Re: How do I grow Mamms from Seed?   Mon Dec 04, 2017 3:49 pm

I though there would be information in this section, but there's lot of stuff but no simple guide to growing from seed.

This is what I do, which seems to be fairly successful.

Step 1 - mix my compost - I use about 30% general potting mix, 30% horticultural grit, and 30% finer volcanic grit. I mix it slightly damp.
Step 2 - sterilise the compost - I put it in an old biscuit tin and put it in the oven checking the centre with a thermometer until it reaches around 85C. Then let it cool, and hopefully it hasn't totally dried out, else it will be difficult to wet again after sowing.
Step 3 - I wash the pots thoroughly, usually just in hot water with washing up liquid. Let them dry.
Step 4 - Put the compost into the pots and lightly tamp down to give a fairly even surface. Then sow the seeds, again fairly evenly.
Step 5 - Put the pots to soak in water that I have previously boiled and when cool have added an anti-fungal sterilising tablet.
Step 6 - when thoroughly soaked, take out let drain for a short time and put into a clear polythene sandwich bag, and tie the tops securely - I tend to favour the ziplock sort of tie rather than a plastic coated wire one. Depending on the pot size, I sometimes put 2 pots in one bag. I use 2" square pots for 10-15 seeds.
Step 7 - Then the bagged pots go into my propagator, which I set for 23C, and I have a grow-light which is on from 6am to 6pm.

Then wait.....usually the first seed comes up in 7-10 days and then over 8-12 weeks depending on species, and something you can't really predict, the viability of the seed.

It may sound complicated, but its not really, its just ensuring that everything is as weed and moss and fungus free as possible and they get enough heat and light.

I know that many enthusiasts in the UK use this approach, in general, with individual variances which suit them best. In other climates, you might need to take care about excess heat, and where the propagator is put, because if placed in full sun, young seedlings can easily boil in the bags. I tend to take them out of the bags after about 6 months, but some growers I know keep them there for 12 months or so.

After these basics, its down to your own experiences and see what works best for you in your environment. Some people I talk with don't want to invest in all the equipment until they've had some success, in which case I just suggest a small seed tray, with a clear lid, and no ventilation holes, put some labels in on their side to segregate each type of seed, and maybe put the tray on a bright window sill. But the basics of sterilisation, heat and light do have to be followed no matter what.

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Mamms in the Rain



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Location : Mountlake Terrace, WA, USA
Registration date : 2017-08-04

PostSubject: Re: How do I grow Mamms from Seed?   Mon Dec 04, 2017 4:37 pm

Thanks Chris, that was just what I was looking for. These "anti-fungal sterilising tablet" I can't think of anything in the US like that what do we use Stateside?
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PostSubject: Re: How do I grow Mamms from Seed?   Tue Dec 05, 2017 5:40 pm

The tablets I use for this are known to me as Chinosol. The chemical is Oxyquinoline sulfate, and though I don't know what brand names are used in the USA, I did find this page on which you might find something you recognise - https://www.drugs.com/international/oxyquinoline.html
I can buy it on eBay from Germany, and I saw when I checked just now that there is also something called NeoChinosol, classed as an antiseptic, but don't know if that'd work as well. I have heard that there are concerns about the toxicity of chinosol, which might have given rise to a substitute.
If you have sterilised compost and water, you might wonder why more is needed. Basically the seed itself might not have been cleaned, as it can be difficult, and obviously you can't boil or otherwise heat treat it. Some people don't like using chinosol and suggest that it might actually inhibit germination, but I haven't found that in practice.

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