The Weather Outlook

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Sasa
  • Sasa
  • Advanced Member
26 April 2026 17:10:08

Generally a lot of crops don't need watering at the start of the growing season and fruit bushes, carrots and shallots are among them. But the soil is like dust right now so should I water them and things like potatoes that have recently emerged and look healthy?

Originally Posted by: fairweather 

I am watering the allotment. Be careful with potatoes, and if I were in your shoes, I wouldn’t water them in the evening, as I think that makes them more prone to a bit of frost damage. Watering at night also encourages slugs to come flooding in because of the moisture. Later in the season, this could really damage your potato crop unless you are growing Desiree.


Kingston Upon Thames
fairweather
26 April 2026 21:35:32
Thanks - I suspect much of the advice on line is extracted from legacy gardening books before climate change. I think I will go on "gut" instinct and so long as stuff looks healthy and is growing I'll go easy on the things that don't traditionally need watering, like potatoes. Obviously things like cucumbers, tomatoes and other salad crops generally will need it if it carries on like this. 
S.Essex, 42m ASL
Sasa
  • Sasa
  • Advanced Member
26 April 2026 21:47:24

Thanks - I suspect much of the advice on line is extracted from legacy gardening books before climate change. I think I will go on "gut" instinct and so long as stuff looks healthy and is growing I'll go easy on the things that don't traditionally need watering, like potatoes. Obviously things like cucumbers, tomatoes and other salad crops generally will need it if it carries on like this. 

Originally Posted by: fairweather 

Agree. My tomato plants are ready for planting out, but I’m worried about ground frost, so they will remain in the greenhouse for a minimum of 7 more days. Today I noticed some people had their potatoes zapped by ground frost, although I know they will recover in time. That’s not the case with tomatoes or cucumbers.


Kingston Upon Thames
NMA
  • NMA
  • Advanced Member
27 April 2026 05:59:47
The cool/cold nights this spring are notable to a degree but not especially so. I've heard of people having hydrangeas blackened by frost.

My lawn at the back has had a plague of leatherjackets this year that the starlings have been feasting on. The yellowed patches caused by the grass roots being eaten are only just beginning to recover. 


Vale of the Great Dairies

South Dorset

Elevation 60m 197ft

MRazzell
27 April 2026 08:47:56
Sad news came in over the weekend about the Passing of Nigel Dunnett

https://thedirt.news/landscape-designer-nigel-dunnett-dies/ 

I had the pleasure of working with him on the 2012 Olympic Park, the recent Battersea Power Station regeneration, and presently on the Grosevenor Square Park revamp. An inspiration to many and a decent chap to boot, he will be missed. 


Far north of East Sussex. +150m asl.
fairweather
27 April 2026 22:02:34

Sad news came in over the weekend about the Passing of Nigel Dunnett

https://thedirt.news/landscape-designer-nigel-dunnett-dies/ 

I had the pleasure of working with him on the 2012 Olympic Park, the recent Battersea Power Station regeneration, and presently on the Grosevenor Square Park revamp. An inspiration to many and a decent chap to boot, he will be missed. 

Originally Posted by: MRazzell 

You certainly did a great job in the Olympic Park. So much thought put into the beds to attract butterflies, bees and other insects. One of my greatest memories in recent years was walking along admiring those gardens on  the way to an event at the 2012 games. People were happily laughing and smiling and integrating with the diversity of people around. Then it was topped by an Emperor dragonfly actually landing on my arm!


S.Essex, 42m ASL
MRazzell
28 April 2026 07:44:42

You certainly did a great job in the Olympic Park. So much thought put into the beds to attract butterflies, bees and other insects. One of my greatest memories in recent years was walking along admiring those gardens on  the way to an event at the 2012 games. People were happily laughing and smiling and integrating with the diversity of people around. Then it was topped by an Emperor dragonfly actually landing on my arm!

Originally Posted by: fairweather 

I was lucky enough to have put a hand (spade) across the South Park, in particular the world gardens and 2012 meadows, which are still looking great now, albeit reverted from the display of golden annuals in 2012 to a more permanent perennial showing. The following year the park underwent its 'transformation' phase into a permanent public space, which meant removing much of the hard concourse and installing further soft landscaping, with the planting designed by Piet Oudolf; so to move from Dunnet, Hitchmough & Sarah Price to another heavyweight of the gardening world in such a short period of time was richly rewarding. 

You're right about the biodiversity too, the games hadn't even started when one of the resident ecologists identified a colony of rare spiders within the gardens. The canal and river network really helped in bringing in a wide range of wildlife in a very short period of time. Its amazing how quickly nature recovers when given a chance.  


Far north of East Sussex. +150m asl.
fairweather
28 April 2026 13:58:48

I was lucky enough to have put a hand (spade) across the South Park, in particular the world gardens and 2012 meadows, which are still looking great now, albeit reverted from the display of golden annuals in 2012 to a more permanent perennial showing. The following year the park underwent its 'transformation' phase into a permanent public space, which meant removing much of the hard concourse and installing further soft landscaping, with the planting designed by Piet Oudolf; so to move from Dunnet, Hitchmough & Sarah Price to another heavyweight of the gardening world in such a short period of time was richly rewarding. 

You're right about the biodiversity too, the games hadn't even started when one of the resident ecologists identified a colony of rare spiders within the gardens. The canal and river network really helped in bringing in a wide range of wildlife in a very short period of time. Its amazing how quickly nature recovers when given a chance.  

Originally Posted by: MRazzell 

I was also referring to the human diversity, with everybody getting on so well together. 😀


S.Essex, 42m ASL
fairweather
29 April 2026 23:34:12
Noticed leaves falling from shrubs and trees during the wind today. Also the Silver Birch Tree leaves at the top haven't opened yet and those that have are small and a pale greyish green. First year for many that the blue tits haven't attempted to nest.
S.Essex, 42m ASL
MRazzell
30 April 2026 06:53:47

I was also referring to the human diversity, with everybody getting on so well together. 😀

Originally Posted by: fairweather 

Oh yes, that goes without saying. 2012 seems like such a long time ago in that regard!


Far north of East Sussex. +150m asl.
Sasa
  • Sasa
  • Advanced Member
30 April 2026 20:31:17
My plan was to plant out my tomato plants this weekend (Monday) after some rain forecast for Sunday, but having seen next week’s weather charts, I’m tempted to postpone until the following weekend. I can see temperatures dropping to 3–4°C at night, and possibly windy conditions later on, which is bad news.

Not a good spring for gardners.


Kingston Upon Thames
MRazzell
01 May 2026 06:59:45

My plan was to plant out my tomato plants this weekend (Monday) after some rain forecast for Sunday, but having seen next week’s weather charts, I’m tempted to postpone until the following weekend. I can see temperatures dropping to 3–4°C at night, and possibly windy conditions later on, which is bad news.

Not a good spring for gardners.

Originally Posted by: Sasa 

I've always found early may to be the most precarious time in the gardening year in that regard. Some quite severe Dew Frosts (is that a term?) can often sweep in unnanounced and cause real damage. When growing up my folks' garden had Matteucia, Osmunda and Gunnera planted en-masse, some years the display was wonderful but more often than not a May frost would burn off the tender growth leading to a scorched and stunted spring showing. Best of luck with your tomatos, i missed the boat this year for seed grown toms, unfortunately.


Far north of East Sussex. +150m asl.
Sasa
  • Sasa
  • Advanced Member
01 May 2026 07:40:00

I've always found early may to be the most precarious time in the gardening year in that regard. Some quite severe Dew Frosts (is that a term?) can often sweep in unnanounced and cause real damage. When growing up my folks' garden had Matteucia, Osmunda and Gunnera planted en-masse, some years the display was wonderful but more often than not a May frost would burn off the tender growth leading to a scorched and stunted spring showing. Best of luck with your tomatos, i missed the boat this year for seed grown toms, unfortunately.

Originally Posted by: MRazzell 

Agree. Planting out delicate plants in May requires careful planning and consideration. I never plant tomatoes before 1st May because of the risk of late ground frosts or strong winds, which can easily damage or throw the plants around.

This week we had a couple of days of really cold wind, and it was surprisingly chilly due to biting wind at night  when I took the dog out, I needed a cap and a thick coat.

Today the charts look a bit better in terms of temperatures for the second half of next week, so I may take the step and plant out on Monday if the models give the green light. I have nearly 80 plants that are more than ready and that’s a lot of tomatoes!


Kingston Upon Thames
Roger Parsons
01 May 2026 09:53:45

I've always found early may to be the most precarious time in the gardening year in that regard. Some quite severe Dew Frosts (is that a term?) can often sweep in unnanounced and cause real damage. When growing up my folks' garden had Matteucia, Osmunda and Gunnera planted en-masse, some years the display was wonderful but more often than not a May frost would burn off the tender growth leading to a scorched and stunted spring showing. Best of luck with your tomatos, i missed the boat this year for seed grown toms, unfortunately.

Originally Posted by: MRazzell 

The other half has just zoomed off to get some asparagus. It's the season in Lincolnshire and we are addicted to it. I have half the garden down to "No Mow May" and have just given the other side a trim to keep it a good contrast. No need to pick anything up as it's been so dry clippings just disappear.

It's a great year for our cudweed. A "weed" we have come to like.

https://wildflowerfinder.org.uk/Flowers/C/Cudweed (Common)/Cudweed(Common).htm


RogerP

West Lindsey district of Lincolnshire

Everything taken together, here in Lincolnshire are more good things than man could have had the conscience to ask.

William Cobbett, in his Rural Rides - c.1830

fairweather
02 May 2026 18:32:22
It's becoming a disasterous  Spring here. With the promised rain for this evening being a pathetic slug encouraging dampness I'm not getting much germination of seeds despite watering the allotment. Parsnip and Beetroot seeds have been in since the start of April as usual and they are usually well away by now. I think they must sense the lack of humidity in the air somehow despite getting watered. I must check to see what the soil temperature is as that has been pretty low I think.
S.Essex, 42m ASL
Sasa
  • Sasa
  • Advanced Member
02 May 2026 20:42:05

It's becoming a disasterous  Spring here. With the promised rain for this evening being a pathetic slug encouraging dampness I'm not getting much germination of seeds despite watering the allotment. Parsnip and Beetroot seeds have been in since the start of April as usual and they are usually well away by now. I think they must sense the lack of humidity in the air somehow despite getting watered. I must check to see what the soil temperature is as that has been pretty low I think.

Originally Posted by: fairweather 

I’ll give you a little tip regarding beetroot. I start minein tuns billed with compost about 20 cm deepand  in greenhouse. Fantastic germination. About three weeks later they are ready to plant out, and I no longer get gaps in the rows, which always used to annoy me. It works really well, and mine are going out tomorrow — they’re about 10 cm tall.

Today it was difficult to get the fork into the ground, so I had to wet it first. Absolutely pathetic — bone dry down to 30 cm when I was digging holes for the posts. Every year seems to be getting worse and worse, not to mention the cold and windy nights we’ve had. Can’t complain about the daytime temperatures though.


Kingston Upon Thames
Roger Parsons
03 May 2026 14:27:13

It's becoming a disasterous  Spring here. With the promised rain for this evening being a pathetic slug encouraging dampness I'm not getting much germination of seeds despite watering the allotment. Parsnip and Beetroot seeds have been in since the start of April as usual and they are usually well away by now. I think they must sense the lack of humidity in the air somehow despite getting watered. I must check to see what the soil temperature is as that has been pretty low I think.

Originally Posted by: fairweather 

There's a Lincolnshire saying that you should plant your beans when you see the first drunk coming home from Boston Fair! Done! 😁

Boston May Fair to officially open in town centre

https://www.bbc.co.uk/news/articles/clyp43nvgzlo 


RogerP

West Lindsey district of Lincolnshire

Everything taken together, here in Lincolnshire are more good things than man could have had the conscience to ask.

William Cobbett, in his Rural Rides - c.1830

fairweather
11 May 2026 23:26:30
As if things weren't bad enough looks like we are going o get a frost now it's almost summer having had hardly any all winter. I have brought tomatoes indoors but have runner beans and peas in the greenhouse (newly emerged). Outside there are blackcurrants, gooseberries and raspberries and potatoes. Which of these are likely to be affected if at all and will the dry air help? I doubt if actual air temperature will be lower than about 1C and that won't be for long.
S.Essex, 42m ASL
NMA
  • NMA
  • Advanced Member
12 May 2026 05:33:59
A fog in March is worth a frost in May is certainly true this year. Spraying water onto tender plants to melt the frost is a way to combat the issue of frost burning plants. Fruit growers used to do this and perhaps still do. Avoided a frost last night after one before. Hope you did too.


Vale of the Great Dairies

South Dorset

Elevation 60m 197ft

MRazzell
12 May 2026 07:27:29

A fog in March is worth a frost in May is certainly true this year. Spraying water onto tender plants to melt the frost is a way to combat the issue of frost burning plants. Fruit growers used to do this and perhaps still do. Avoided a frost last night after one before. Hope you did too.

Originally Posted by: NMA 

We just avoided a frost here with temps dropping to around 2c. Not unusual for early May but still viewed with incredulity and annoyance. It looks like being a chilly, breezy and damp week after today. 


Far north of East Sussex. +150m asl.
NMA
  • NMA
  • Advanced Member
12 May 2026 08:45:37
We haven't had what I would call good growing weather this Spring. For that, the winds need to come from a mild moist SW or S with rain plus warm sunshine. In fact, we missed out last year too. It's the biting winds, not so much icy as desiccating, that have been the bane of this Spring for me. 
Vale of the Great Dairies

South Dorset

Elevation 60m 197ft

MRazzell
12 May 2026 11:49:34

We haven't had what I would call good growing weather this Spring. For that, the winds need to come from a mild moist SW or S with rain plus warm sunshine. In fact, we missed out last year too. It's the biting winds, not so much icy as desiccating, that have been the bane of this Spring for me. 

Originally Posted by: NMA 

Agree, its at least the third such spring since 2021. You're right, the cold dessication of tender spring growth is a sad sight to see. It was either 2021 or 2022 that my local hazel hedgerow defoliated after weeks of biting dry easterlies. Sunshine and showers on a clement south westerly throughout April and May is what we need. 


Far north of East Sussex. +150m asl.
Sasa
  • Sasa
  • Advanced Member
12 May 2026 11:50:32

A fog in March is worth a frost in May is certainly true this year. Spraying water onto tender plants to melt the frost is a way to combat the issue of frost burning plants. Fruit growers used to do this and perhaps still do. Avoided a frost last night after one before. Hope you did too.

In my neck of the woods, potatoes, tomatoes and courgettes have already been completely zapped by frost. Last night even the grapes and figs took damage.

And yes, fruit growers do use water against frost  but it needs to be a very fine continuous mist, not a heavy spray. As the water freezes, it releases a small amount of heat, which helps keep buds and blossoms around 0°C and reduces severe frost burn. Timing and coverage are everything.

Watering your tender plants before the frost actuallly makes the problem worse as too much water or the wrong spray can make things worse, so timing and coverage are everything. See article below and in particular last para:

https://www.npiwaterstorage.com/misting-as-frost-protection/ 


Kingston Upon Thames
fairweather
12 May 2026 16:08:27

In my neck of the woods, potatoes, tomatoes and courgettes have already been completely zapped by frost. Last night even the grapes and figs took damage.

And yes, fruit growers do use water against frost  but it needs to be a very fine continuous mist, not a heavy spray. As the water freezes, it releases a small amount of heat, which helps keep buds and blossoms around 0°C and reduces severe frost burn. Timing and coverage are everything.

Watering your tender plants before the frost actuallly makes the problem worse as too much water or the wrong spray can make things worse, so timing and coverage are everything. See article below and in particular last para:

https://www.npiwaterstorage.com/misting-as-frost-protection/ 

Originally Posted by: Sasa 

Same here. Garden was spared at 1.4C but not the more exposed allotment. Went over there this morning to find all of my potatoes and everybody else's blackened and wilting. Gooseberries, raspberries ok. I don't have any courgettes but others that were in were wrecked completely. Interestingly one plot where the potatoes had only just come through were ok - maybe because the ground temp was marginally warmer and some trickle of radiation saved them. Luckily I've delayed planting out some stuff like runner beans and I brought cucumbers and tomatoes in last night.

My big concern for potatoes is that traditionally they will put up new shoots in 10-14 days time but I'm not so sure they will. The soil is bone dry which won't encourage new growth. If we water there is a danger that the damaged cells will just rot with the continuing cold of the next few days. I think I will wait till we get a warm spell then give them a good watering.


S.Essex, 42m ASL
Bolty
12 May 2026 16:28:57
A baby Nyssa sylvatica, also known as a black gum tree. It's notable in North America for It's glossy leaves and it's stunning autumn colours.

Full size image: https://postimg.cc/KkX4dnw9 

[img=https://postimg.cc/KkX4dnw9]https://postimg.cc/KkX4dnw9[/img]


Scott

Blackrod, Lancashire (4 miles south of Chorley) at 156m asl.

My weather station 

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