Temperature crisis
Feeling chilly? I certainly am. The temperature has plummeted over the last few days here in Essex, and as I type this icy rain is lashing against the window and the sky is black. Very black. Last night it went down to 10°c indoors as I’d turned the heating off in a bid to save a bit of cash (I know this because my daughter woke up crying and that’s what the thermometer in her room said). On 7 November a really hard frost struck and knocked back a few tender things in the garden. It seems winter is nearly here.
But it’s normal, isn’t it, feeling chilly in November? Well it doesn’t seem so. On the 3, 4 and 5 November it was quite a different story as I, and the rest of Westcliff on Sea, sweated in 16°c – a temperature that continued into the evening. It was warm enough to walk around in a t-shirt and actually feel a bit hot if you found a sheltered, sunny spot. Not very November-like at all.
Okay, I know us Brits can talk about the weather until the cows come home, often wasting hours on the topic, but to us gardeners it really does matter. A surprise frost can be catastrophic for tender plants, a mild winter means lots of ‘border-line plants’ (you know the ones I mean) will make it through unprotected, a harsh winter might just kill of all a few unwanted pests and diseases. And so it goes on.
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I guess I’m lucky because I live by the coast in the South East and often escape the worst of the winter wet and cold. This makes me brave, some may say foolish, and I grow lots of tender, exotic-looking plants, which sometimes survive a mild winter. This is, of course, my downfall and I’ve lost lots of plants over the years by not giving them the protection they need. Last winter was a disaster as I lost all of my bananas, a couple of gingers and some cannas, all of which I’d left outside in an attempt to beat nature. I guess I wasn’t to know the garden would be covered in snow for several weeks, though.
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So what’s the tactic this year? I’m taking no chances and, even though I’ve just experienced the warmest bonfire night of my life, all my precious, tender plants are safely tucked up in my greenhouse for the winter. They’ve got everything they need in there – bubble wrap insulation and a small heater to keep the frost at bay, and a fridge stocked with beer should they get thirsty (every man needs somewhere to escape). But not everything fits in the greenhouse, and there’s plenty outside that will have to take its chance. I’m most concerned about the echiums that have seeded themselves around the garden. I managed to nurture one giant flower spike in the summer of 2009, and the seedlings are its progeny destined to flower next year. If they don’t make it through the winter to flower and set seed themselves, it’s likely I’ll loose them forever.
Of course, it could all be down to , and many argue that extremely cold winters are an effect of this world crisis – perhaps I should concentrate on that rather than using energy on a greenhouse heater to keep a couple of aeoniums alive. Could it be that my gardening habits are actually doing more harm than good to our world? Is fighting against nature in this way the very worst kind of gardening? Am I responsible for the temperature extremes that are causing havoc with my tricky choice of plants?
Until next time…
Kevin Smith is a garden writer, and former Commissioning Editor of 91Èȱ¬ Gardeners' World Magazine.
Comment number 1.
At 15th Nov 2010, PoshCloche wrote:This comment was removed because the moderators found it broke the house rules. Explain.
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Comment number 2.
At 15th Nov 2010, PoshCloche wrote:Great article. I got caught out last year with weeks of snow lying on the ground and even lost some hardy plants. Will be at the ready with the frost protection this year!
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Comment number 3.
At 15th Nov 2010, Kevin Smith wrote:PoshCloche, I bet we'll all have our plants wrapped up to within an inch of their lives and end up having the mildest winter on record!
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Comment number 4.
At 15th Nov 2010, helenriches wrote:My Aeoneum grew impressively candelabric in the border last year, until misfortune befell it on its journey indoors come winter. No problem - once repotted, all those little snapped off branches rooted themselves and are still going strong one year later. And my conservatory isn't unheated. Perhaps its the damp that kills them? I'm sure us gardeners balance out our carbon footprints anyway, with all the worthy trees and plants we nurture alongside the odd exotics.
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Comment number 5.
At 15th Nov 2010, Kevin Smith wrote:Helen, you've made me feel better. Yes, I'm sure things balance out beautifully!
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Comment number 6.
At 16th Nov 2010, jo wrote:Hi Kevin,
these days in Berlin are nearly the same. Yesterday I walked into my garden to prepare a winter hideout for the hedgehong and found a plant looking like narcissus...
goodby-I`m looking forward for your next post
Jo
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Comment number 7.
At 16th Nov 2010, ChepstowEd wrote:We have 5 pretty big olive trees in large-ish pots. They're adjacent to the house so may benefit from some of the heat escaping from the walls over winter. We lived somewhere else last year and they weren't so near the house then, didn't insulate them and they were fine. Do you think this was a fluke, and should we insulate them this year, and if so, what's the best way of doing this?
Thanks.
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Comment number 8.
At 17th Nov 2010, Jen wrote:Hi ChepstowEd (and Kevin)
We also have one olive tree in a large pot and for the last 3 years it's lived outside unprotected all through the winter (in the North of England!). Like yours, it's right next to the house (under the central heating vent in fact) I wonder if that has helped its survival. Every year I think I should do something to protect it but it cleary doesn't need it.
Jen
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Comment number 9.
At 17th Nov 2010, helenriches wrote:oh dear- what I meant to say was, my conservatory is NOT heated (most of the time) but my aeoniums don't seem to mind. As for olive trees, I met a grower who assured me (as they would I guess) that olive trees were hardy in this country- they just need a sunny spot away from nasty cold winds. And perhaps a heating duct?
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Comment number 10.
At 18th Nov 2010, Kevin Smith wrote:Ooh, what a lot of comments. I look away for a moment and it all kicks off in the olive department. I've also got a large olive in a pot (unfortunately you can't see if for snow in the picture above) and it's been absolutely fine for the past few winters - even the horror of 2009/10. I reckon you'll be fine, Ed. Like Helen said, it's often excess damp and wet, not cold, that does the damage.
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Comment number 11.
At 22nd Nov 2010, E_CH wrote:Hi Kevin,
We are about to move house and would like to take the plants in our boarder with us but my husband is concerned about the cold weather and whether they will survive if we take them out. Unfortunately we don't have a greenhouse to keep them in. Any advice?
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Comment number 12.
At 24th Nov 2010, Kevin Smith wrote:Hi E_CH,
Moving house - what exciting stuff! I obviously don't know where you live, and the temperature extremes you face, but I reckon you should be fine moving most things now. As far as I'm aware, small trees, deciduous shrubs and roses etc are best moved in their dormant period, which they're entering now, so I don't think you'll have any hassles with those.
Established perennials naturally benefit from being lifted and divided in the autumn (or spring) and although autumn is all but gone, you just might still get away with it. I'd divide any perennials you dig up, putting half in the ground in your new garden and half in a pot to keep in a sheltered spot - you're hedging your bets that way! Although don't replant anything in deeply frozen ground - if the soil is frozen solid you'd be better to keep everything in pots until the spring. I hope that helps, although do come back with more questions if you have any - I'll do my best!
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