Galanthus

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bulborum
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cohan wrote:

For whatever reasons, hardiness in the ground and hardiness in exposed pots are two completely different things-at least here, prob much colder than where you are- anything-even most natives- that will be left outside in a pot over winter is sunk into the soil, and then they are fine. Sitting on the surface is a much less certain prospect..

Not sure Cohan

I think it has to do with the "fastness" (is this English ?) the temperature changes in a pot
this changes much faster as in the soil

Roland

Facebook Group: https://www.facebook.com/groups/518187888211511
Normal Zone <8   -7°C _ -12°C      10 F to +20 F
RGB or RBGG means: Roland and Gemma de Boer

cohan
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Yes, I'd guess it could be the more rapid freezing, or more rapid fluctuations between  colder and warmer... I think the best might be to say 'speed' or 'rate' of temperature change..
Oddly, we use fastness in a very different context, it would apply to one of the following uses of the word fast:
8. Resistant, as to destruction or fading: fast colors.
9. Firmly fixed or fastened: a fast grip.
10. Fixed firmly in place; secure: shutters that are fast against the rain.
11. Firm in loyalty: fast friends.
12. Lasting; permanent: fast rules and regulations.
(from this page: http://www.thefreedictionary.com/fast) So, for example, we might talk about the colour fastness-i.e. whether a dye, pigment, ink etc will last in clothing, prints etc..
They also mention fastness as you have used it, for 'swiftness/rapidity' ( http://www.thefreedictionary.com/fastness )but one citation mentions that it is archaic, and certainly not much used in Canada, at least, though anyone would likely know what you meant :)

west central alberta, canada; just under 1000m; record temps:min -45C/-49F;max 34C/93F; http://picasaweb.google.ca/cactuscactus  http://urbanehillbillycanada.blogspot.com/

Hoy
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Joined: 2009-12-15

To avoid the freezing-in-a-pot problem I plant all my bulbs in the ground ;)

Trond
Rogaland, Norway - with cool, often rainy summers  (29C max) and mild, often rainy winters (180 cm/year)!

cohan
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I don't permanently grow many outdoor plants in pots, but I usually have a bunch (less this year after I built some new gardens!) of pots of seedlings etc that are still in pots awaiting permanent planting at the end of the year!

west central alberta, canada; just under 1000m; record temps:min -45C/-49F;max 34C/93F; http://picasaweb.google.ca/cactuscactus  http://urbanehillbillycanada.blogspot.com/

Tony Willis
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Joined: 2011-02-01

I grow all my bulb collection in clay pots (1000+ pots) including over 100 pots of galanthus with the pots plunged in sand in either greenhouses or frames which are not heated. My lowest temperature was two years ago -9c.

I would love to grow them in the garden but that is waterlogged all winter and sodden most of the summer. Great for lots of plants but apart from Fritillaria meleagris not bulbs.

Hoy
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Joined: 2009-12-15

Tony,
My place is great for Fritillaria meleagris too but I can grow several species of Galanthus also. Is your climate wetter than mine?

Trond
Rogaland, Norway - with cool, often rainy summers  (29C max) and mild, often rainy winters (180 cm/year)!

bulborum
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Joined: 2011-02-01

I made in Normandy (very wet in the winter)
20 cm high raised beds
it works fantastic

If you want I can post some pictures how easy they are to make

Roland

Facebook Group: https://www.facebook.com/groups/518187888211511
Normal Zone <8   -7°C _ -12°C      10 F to +20 F
RGB or RBGG means: Roland and Gemma de Boer

cohan
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Joined: 2011-02-03

Roland, it is always good to see the technical details of other people's garden solutions!

west central alberta, canada; just under 1000m; record temps:min -45C/-49F;max 34C/93F; http://picasaweb.google.ca/cactuscactus  http://urbanehillbillycanada.blogspot.com/

bulborum
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Title: Guest
Joined: 2011-02-01

Tomorrow I fly home from Sardinia
I will try to post before the weekend
sure I have no more drowned bulbs sins 11 years

Roland

Facebook Group: https://www.facebook.com/groups/518187888211511
Normal Zone <8   -7°C _ -12°C      10 F to +20 F
RGB or RBGG means: Roland and Gemma de Boer

Tony Willis
Title: Guest
Joined: 2011-02-01

Hoy wrote:

Tony,
My place is great for Fritillaria meleagris too but I can grow several species of Galanthus also. Is your climate wetter than mine?

Hoy  I do have some common galanthus planted in my front garden which is better drained. As to rain this year it rained every day from 30th March until now apart from six days.It was the same last year as well with weeks without sunshine. At the moment I am busy raising my sand plunge frames of the ground in an attempt to keep them drier.

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