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 Over wintering Soc seeds

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Gary S

Number of posts : 2
Registration date : 2015-04-09

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PostSubject: Over wintering Soc seeds   Over wintering Soc seeds Icon_minitimeWed Nov 04, 2015 8:50 pm

Hi all,

Lots of my seeds came up this year (my first Mammillaria soc seed) but I was wondering How I should overwinter them. They were in a propagator in the greenhouse but was thinking of keeping them in the house on a wind sill but if I do should I water them (or keep them in the heated propagator but without extra light.

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Number of posts : 1727
Age : 76
Location : Chinnor, UK
Registration date : 2008-07-16

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PostSubject: Re: Over wintering Soc seeds   Over wintering Soc seeds Icon_minitimeThu Nov 05, 2015 6:54 pm

If you can keep them at a decent growing temperature and plenty of light, there is no real issue with growing them on through their first winter. Give them just enough water to prevent shrivelling, and by the Spring you should have larger seedlings that you can then take out of the propagator as soon as the greenhouse temperature is warming up. I've done this quite happily, and it gives them a flying start, and also reduces losses when you first start to try to wake up small seedlings with their first watering. I believe that light is very important, as sometimes the extra lights you have for germinating in a propagator are just a supplement to natural light, and when deprived of that may not be strong enough - worth checking.

Chris43, moderator
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Number of posts : 289
Age : 73
Location : Sutton, Surrey.
Registration date : 2011-06-05

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PostSubject: Re: Over wintering Soc seeds   Over wintering Soc seeds Icon_minitimeFri Nov 20, 2015 12:03 pm

As I tend to germinate most of my seeds by the baggy method they are left in their bags until the following spring, where they will be kept damp from the condensation generated within the plastic bag. If they have made considerable growth during their first year, then they will be potted on, in that year, still as a group, and left to tackle life in the heated greenhouse for the winter. I do also germinate seed in a heated propagator within the greenhouse and once they have reached an acceptable size I tend to turn off the heat and take off the lid to give them plenty of air movement. Making sure to give them some protection from full sun when necessary. Come the winter the cover goes back on, with no heat, again leaving them to fend for themselves until spring. Although the UK's light levels in the winter are not always that great, I still feel they fair better there, against the greenhouse glass, than a windowsill indoors.Often with daylight coming from only one side. They will generally become somewhat leggy anyway, unless you use powerful LED lighting as Chris has already stated.
Having said all of this, one or two of our members swear by growing under lights throughout the year and have some fantastic results. You must always take into consideration though that what ever method you choose there will always be losses. A learning curve as they say!
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PostSubject: Re: Over wintering Soc seeds   Over wintering Soc seeds Icon_minitime

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