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HortWeek Podcast

HortWeek Podcast

HortWeek

Welcome to the HortWeek Podcast where we bring you news and views on the most important topics of the day for UK horticulture professionals. For more visit https://www.hortweek.co.uk/podcasts.

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Top 10 HortWeek Podcast Episodes

Goodpods has curated a list of the 10 best HortWeek Podcast episodes, ranked by the number of listens and likes each episode have garnered from our listeners. If you are listening to HortWeek Podcast for the first time, there's no better place to start than with one of these standout episodes. If you are a fan of the show, vote for your favorite HortWeek Podcast episode by adding your comments to the episode page.

This episode Glendale's director of corporate development Adrian Wickham and Tessa Johnstone of Johnstone's Landscapes return to the Horticulture Week Podcast to give us an update on their important work on improving diversity in horticulture industry.


Both members of the BALI board, they joined various industry associations to sign Equality Diversity and Inclustion (EDI) charter last year and they talk about the work and aspirations around the charter including the ever-present skills shortage.


They have expanded their work to reach out to all areas of horticulture and collaboration is a key way they hope to make progress which includes sharing work and good practice in EDI, setting benchmarking and helping organisations upskill in this area.


Adrian has created an industry standard questionnaire to gain an industry "baseline" to, as Tessa says, "not just be a tickbox exercise but something that guides us through and does actually achieve change in the industry".


They discuss progress achieved since we last spoke to them (in 2021 - listen here) which includes, and starts with, a greater awareness in the horticulture industry.


Adrian outlines improvements in Glendale including mental health training carried out in collaboration with horticulture charity Perennial. The company has also joined the Design Lab - a London-based initiative, to examine and encourage best practice.


A key area of improvement is how to improve recruitment practice - application forms, wording on job ads, approaches to interviews - to more effectively give opportunities to people to more diverse backgrounds. Adrian speaks about initiatives working with prison populations. And Tessa outlines ways to close the gender pay gap and measures she's taken in her own business to improve EDI - including signing up to the 'Disabilty Confident' scheme and taking on a new employee with autism.


In summary, businesses should be less afraid of 'doing it wrong' and look into small ways they can improve. "Everybody has unconscious bias" says Adrian, adding "don't be afraid of your thoughts".


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In the hot summer of 2022, RBG Kew lost more than 400 trees. By July 2024, Kew announced that it believed over 50% of its trees could be at risk by 2090 due to environmental changes due to climate change.


This week's guest is Kevin Martin, head of tree collections at Royal Botanic Gardens Kew and he joined the HortWeek Podcast to relate the research Kew has done that led it to such a stark conclusion.


"What we started to look at first was mortality data, but we soon realized that that's a really unstable data set. can't always know why a tree or a plant has died in the landscape. It's not always due to environmental factors.


"We then started looking at climate modeling...and using species observation data to start building a better picture of the impact of climate change on the living landscape here at Kew.


Perhaps surprisingly, the focus was not on identifying vulnerable species, but "the provenance of the seed".


Kew studied its own environment, located as it is in "an urban heat island" on the edge of Greater London with relatively thin and poor soil, "so the effect of climate change is always exaggerated".


To understand the plants that suited this environment, they found themselves in the Romanian steppe which proved a good match.


His next trip will take him to Georgia to find more species that might thrive at Kew.


Rather than building more and more glasshouses to create the right condition for plant collections, with their huge energy bills, botanic gardens must play to their strengths and grow the plants that fit their ecosystem and climate profile.


"And the native, the English native one is a really interesting question.


"You've got Quercus robur, they all have a large distribution range. So we're now looking at their dryest range to understand how those trees have adapted...they will grow right up to the edge of Azerbaijan, right on the dryest edge of their range. So we're selecting seed from those areas to bring them back to Kew to understand how they've adapted."


And the change needs to translate to all green spaces and gardens, large and public as well as domestic and small.


"A lot of the plants that we all go to the garden centre to put in our own private gardens, those trees have been selected for us realistically by the Victorians. A lot of those plants are available in commercial nurseries, they're all from the original plant collectors from the Victorian era especially, and they're the same cloned material that's just passed round.


"So it's really not just changing the planting palette within Botanic Gardens...This is a change of planting palette... and that does need support and investment in further research from government in order to support the commercial nurseries as well.


"I do think it's going to be the biggest shift we've seen since the start of the organisation back in the 1840s".


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HortWeek presents The End of Peat, a new four-part podcast series that will hear from leading horticulturists and garden retailers as they navigate a transition to peat-free that is piling pressure on a sector facing stresses on all sides.


Peat is one of the most popular and reliable types of growing media for plants, but peatlands are also a valuable store for carbon and as the UK Government tries to meet net zero targets, a peat ban is on the agenda.


Over the four episodes, Christina Taylor explores the story of the UK peat ban, how the horticulture industry is facing up to the challenge, and how it might shape the future of the sector.


Christina asks:

  • Do we need a peat ban?
  • Why is the transition to peat-free causing so much division and proving so difficult?
  • And as the sector navigates the numerous challenges, she asks what is needed for the sector to survive, if and when peat ban legislation actually comes into effect.

In Episode 2: From multi-purpose to pick 'n' mix, Christina explores the two particular challenges faced by garden centres.


The first is the transition from selling peat-based compost to peat-free mixes. Challenges here include the variable quality of peat-free compost mixes, fears over supply of new ingredients, the higher price of these mixes and how they can help educate amateur gardeners learn to grow their plants.


Many have found difficulties in germinating seeds prompting fears that thousands of customers, particularly those trying to Grow-Your-Own fruit and veg, may give up, costing garden centres valuable customers in the process.


We hear about the initiatives from thought leaders in the industry on how these challenges can and should be addressed.


The second challenge relates to the sourcing of plants that have been grown in peat-free compost. This is where the interests of retailers intersect with the growers as peat-free adds to cost pressures. Ways to grow so-called tricky plants continue to be elusive prompting fears that we may lose the ability to buy whole categories of plants in the UK.


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Both our guests on the HortWeek Podcast broadly agree with the reasons for a peat ban and agree there is a need to reduce carbon emissions to help fight climate change. But they are not equally convinced a peat ban is the way to do it.


In the 'for' corner is cosmos and hollyhocks national collection holder and lobbyist Jonathan Sheppard.


Sheppard says: "You only have to look at places like Hampton Court where they have the peat-free garden where the plant list was massive. I've never seen a plant list as long which showed people that you can grow without peat. So I'm just wholly not convinced that you can't be a successful grower. But then I guess it depends on what do we mean by a successful grower. I just don't want to see rewards being given when there's an RHS sustainability strategy when using peat...It must be the wrong thing to do, given the science that we know about how much CO2 digging this cheap product up emits."


And in the 'not so sure' corner we have dahlia and sweet pea grower Darren Everest.


Darren argues: "Just for example in the National Dahlia Society, you try finding me one of the top elite growersn that don't use peat and I think you'll struggle to find any...growing flowers to national level requires a lot of time and years of knowledge and experience growing and I haven't found anybody online yet, certainly in the dahlia world, that has found a suitable non-peat-based product. "


HortWeek editor Matthew Appleby hosts the discussion which focuses on efforts to end peat use by growers and RHS exhibitors.


The pair reflect on their experience of using peat free and debate how significant the carbon emissions cuts achieved by ending peat use in horticulture will be.


The RHS plans to end peat use from 2026 and they ponder how this ban will affect different growers, awards, whether shows will attract fewer exhibitors and crucially, how it can be policed.


For more information on growers and garden retailers going peat free, see https://www.rhs.org.uk/advice/peat


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A Sussex native, Susan Raikes, the new director of Wakehurst, Kew's wild botanic garden in West Sussex (she joined in June) was familier with the garden since childhood.


"We're Kew's younger, bigger and wilder sister and very much a botanic garden with a purpose...a site of horticultural and scientific excellence and a living laboratory where groundbreaking science projects are taking place as well. So lots of beautiful gardens, beautiful spots to come and visit, but some really important science and horticultural work going on as well."


After Kew released a report detailing risks to over half of its 11,000 trees, Wakehurst will carry out a similar exercise next year: "it's a different challenge, but absolutely we're thinking about the resilience of the planting".


She talks about the effects of climate change on the garden, with respect not just to plants, but impacts for visitors and scientists working at the centre.


Related to this, Wakehurst has been "championing meadows" via it's Meadowland feature this summer (until September 10) and has a focus on threatened and rare UK habitats which have been combined with newly commissioned pieces of contemporary art to enhance the ecological and educational aspects.


Wakehurst is home to Kew's Millennium Seed Bank, which houses more than 2.4 billion seeds from around the world and which will celebrate its 25th birthday next year.


Among research programs currently live at the garden Sue highlights Nature Unlocked, "which is helping us to use Wakehurst as a living laboratory, looking at it as an ecosystem observatory. We're looking at pollinators and carbon, but also well-being and the different kinds of landscapes and environments that people get the most benefit from".


The research project will be reflected in features in visitor areas such as the children's garden which will house a bee bank, a rebuilt mud kitchen and edible meadow.


Next year will also see the 60th anniversary of Kew's presence at Wakehurst and the garden plans to bring "to life that story of being a living laboratory so that visitors really know that they are visiting somewhere that is really making a difference in terms of all of the work we need to do around climate change and habitat loss as well."


Previously Sue was director of learning at the Science Museum Group and before that you were head of learning and national partnerships at the British Museum and is familiar with "taking sometimes quite complicated and specialist content and then working with that in a variety of different ways to bring it to as many people as possible" and she plans to bring these skills to bear at Wakehurst.


Wakehurst has enlisted two champions, TV GP Dr. Amir Khan and BBC Springwatch presenter Megan McCubbin to help "amplify our message and spread the word about this incredible wild botanic garden that we have." Local resident and A-list actor Cate Blanchett has made a promotional video for the garden and it is hoped she will have more involvement in the future.


The aim is to build on the 400,000 visitors Wakehurst receives every year and hopes to "reach people who might not know about us" through access schemes and community work.


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Trees, arguably, have never been so popular and Sarah Lom, chief executive of the Tree Council is enjoying their moment in the sun.


Applications to the Tree Council's small grants fund [under £500] have doubled in the last 12 months. National Tree Week at the end of 2023 reached an estimated 30 million people and a schools programme is helping engage younger people, helping ease their 'eco-anxiety' along the way:


"We even got to deliver a lesson at Number 10 [Downing Street] ...which was a fabulous opportunity for the pupils to see the garden there, the beautiful London plane trees."


Tree Council relies upon a network of volunteer tree wardens around the UK, has a £2m program funding108 different projects with Network Rail.


The organisation encourages community groups to use local or their own nurseries for a supply of "bio-secure trees". And this community activity may have more benefits than one might imagine:


"There is evidence that trees planted with love and care do better. We're five years into a hedge planting trial with Network Rail at Hadley Wood in North London...and five years in, the hedges planted by the volunteers are four meters tall and have 96% survival rate, whereas those planted by the contractors are two meters tall - that's half - and a 64% survival rate," all of which is a boon to the well-documented benefits of trees - pollution mitigation, urban cooling, flood mitigation, well-being uplift and so on. A full report on the findings is to be produced in due course.


But climate change and changes to previously dependable seasonal patterns has led her to wonder whether National Tree Week (which encourages people to plant trees in their communities), shoudl be made later.


"The warmer autumns means the trees become dormant later, the early spring brings them back to life sooner."


As concern grows over the UK's ability to meet Government tree planting targets, Lom says: "They didn't meet their targets, but the good news is that the nation did plant 40% more trees last season than they did the season before. And the aim is that will escalate year on year on year, but it takes time and everyone has to play their part. I know when I've spoken to nursery, they've said, we need time to be able to generate the stock."


As local authorities wrestle with extreme pressure on council budgets Lom insists that having a tree strategy should be a priority:


On plans for 2024 Lom says the schools programme will continue, tree survival studies and work with DEFRA looking at establishing a methodology for tree survival and tree establishment will all figure.


Tree Council is also collaborating with Oxford University on a mistletoe mapping project, a keystone species with complex interactions with trees.


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The Youth Environmental Service, which is backed by the National Heritage Lottery Fund, has won backing for a 'national service' for the environment.


Dubbed a "green jobs guarantee" for a post-secondary school-age young people. Programme director Billy Knowles explains:


"The Youth Environmental Service is an organisation that we set up with the idea that what would happen if every young person had the opportunity to do a year of paid environmental work.


"It's a great way to give something back, it's a great way to develop skills, and it's a great way to build connections to all of the other young people who are also worrying about the same problems [climate change, nature degradation and biodiversity collapse].


After more than two and half years of campaigning, delegates at a Royal Parks Guild Annual Discovery Day voted 48-6 in favour of the idea of a green jobs guarantee.


Knowles acknowledged some do not like the idea of national service because they think it would be mandatory, but he said it would be volunteer-based and would pay living wage for a year's work. The first pilot New To Nature pilot helped 97 young people into work and a new pilot will focus on the North West.


One of horticulture's key challenges, Billy says, is improving access and diversity:


"Sometimes we aren't sensitive enough to the variety of different needs and challenges there might be. A great example of this is physical access. If you're a young person who's grown up living in a city, and you might come from a sort of socioeconomically disadvantaged background, parents haven't got a huge amount of money to spend there, you might not have your access to your own form of transport, you might be used to taking public transport. How are you then going to go out and work in a sort of fairly rural role and an opportunity that would be fantastic otherwise, but you just can't physically get to?"


The scheme aims to create "10,000 paid opportunities per year for young people working across nature, net zero and circular economy organisations and the Labour Party has already shown support for the plan. But Billy says "neither party has any real clear idea on how they're going to do that. What we offer is the answer to that question, how you create those green jobs and you start building that workforce.


"The policy isn't to fund every single one of the 10,000 jobs, it's to fund a small number and to create the framework around which other organisations are able to create their own.


"We're not building something that we want to last for two years, we want this to last for 50 years, and so what we need to do is have a really strong base and a strong foundation from which we can do that. And we need champions within parliament. We need champions within the civil service who can help us make that happen."


Find out more at www.youthenvironmentalservice.co.uk.


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Lee Stiles, Lea Valley Growers' Association secretary, has been outspoken about the state of the UK protected salads sector, which saw market failure in 2023, with empty supermarket shelves and reduction in UK production.


Stiles sees energy, labour and prices as the big three problems facing UK tomato and cucumber growers. Until recent years energy and labour were more controllable, he says, but those factors have fallen away and now "price is king", regardless of anything else. Government policies seem to work against each other in areas such as labour, though Defra strives to do the right thing.


With an increasingly high profile in the media, he has not had to pitch a story for two years. The media wants to know what is happening on the ground rather than what the BRC, supermarkets or the Government is saying, so Stiles gets daily calls from around the world.


And on the ground, he predicts there could be more empty shelves this year due to ongoing issues in Europe and North Africa with viruses and market prices. One certainty, he says, is that production volumes from British growers have not increased: "There will be a gap. Retailers will either pay more or have empty shelves."


But he adds that there is a fine line between warning about problems and "spooking" the retailers and the public: "UK growers are stable now after two years of decline and small business closure." He says the is the same as in Europe. Few can invest in new machinery and are just concentrating on keeping their heads above water.


Government help for smaller producers has been too little too late and any help "avoids the underlying problem of low prices". Meanwhile primary producers are not making money he says, intermediaries deal with the retailer, so loyalty and service standards matter less:


"We're 10 years into a supermarket price wa and it seems to be getting worse. There's not enough profit in the supply chain at the moment which means the trend for British producers closing will accelerate, reducing self-sufficiency and food security."


He would like to see loss leader legislation to stop retailers selling at less than the cost of purchase. It is used to protect producers in France, Canada and Germany, for instance.


But regardless, Lee says, whoever comes in next politically, "will inherit quite a mess".


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Melanie Asker was recently promoted to managing director of Greenwood Plants, supplier to new-build property sector, but increasingly, commercial work and infrastructure.


Listed at no 27 in HortWeek's Top 100 Ornamentals Nurseries ranking, the nursery grows "pretty much everything you can think of" but, a 'G' range comprising the "top 350 plants across most of our orders".


2022 was a record-breaking year for the grower, a year when it changed from an owner-led firm and introduced a management team, developed a new business strategy, a 5-year growth plan and brought sustainability "to the fore of all our corporate values and all we wanted to achieve".


While nurseries and garden retailers continue to wrestle with the prospect of going peat-free, Greenwood Plants made an early decision to get ahead of the curve and has plans to be 100% peat free by the end of 2023:


"It's progressing really well. It's got its challenges, I'm going to be totally candid about that. It was a really big decision for the business - we debated it really heavily at the start of last year... We decided we needed to be completely committed to it for it to work so we had to jump in with both feet which is what we've done."


"It sounds like the change is all about the growing media... but the bigger change is about how we cultivate and grow our plants, that's where the real, resetting of the mindset comes in and that's what we're going through at the moment." With ericaceous and other plants that struggle with peat-free compost, "we just have to tackle them one by one", she says.


She also reflects on the move to peat-free in the context of the general horticulture sector, clients, the supply chain and the wider marketplace.

Greenwood was named "Sustainable Business of 2022" by the Central South Business Awards, largely down to Greenwood's comprehensive and ambitious sustainability plan which incorporates water efficiency, recycling, peat-free, community 'payback', energy efficiency and renewables, plastic reduction and sustainable packaging.


The nursery has also placed a greater focus on biodiversity benefits lately and in a fast-changing world, the nursery endeavours to "keep abreast of everything from a topical and trend perspective" maintains "as open lines of communication as possible" with clients to help them do that.


Melanie outlines other business initiatives including "Greenwood Choice" sales and collection outlet and speaks about her enthusiastic involvement as a founding member of Women in Horticulture which aims to provide networking opportunities for women in the industry and share ideas.


And finally, she has to make her choice, from a very wide selection, of her Desert Island Plant.


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Roisin Wilson is business development director at HSK Gardening and Leisure, which is a specialist importer of 'Jurassic' plants from the Antipodes, specifically Dicksonia antarctica tree ferns from Australia.


It is a tightly regulated activity, but Roisin explains that the tree ferns it imports from Tasmania are 'rescue' tree ferns that might be otherwise cast aside by loggers.


Big plans are afoot at HSK and Roisin talks about the recent rebrand of the company and a shift towards "concept gardens" which takes inspiration from IKEA's approach to retail providing a "garden in a box" providing "instant impact, instant garden".


These 'Jurassic' concepts will be retailed through independent garden centres and bigger chains, with a focus on educating them on the concept, how it works and how to sell it. Roisin feels it is an "untapped market" and the ideal way to reach reluctant and perhaps younger customers - "the gardeners of the future".


She also believes there are opportunities to access new markets in Europe "and what was really interesting when I was at [IPM] Essen [in January 2025], there were no tree ferns, no big trees. There was one stand that had two tree ferns, but other than that, there were no tree ferns anywhere. And that was really, for me, that was quite

striking."


HSK is also adding more species and took in its first shipment of Dicksonia squarrosa from New Zealand in Janaury 2025: "We are currently growing them on and probably will do a release of those in the summer once we know that they are all you know very very happy and growing beautifully in this country."


As a relative newcomer to horticulture, Roisin gives her perspective on the sector. Upsides include the people-focus of the sector. But she highlights the need to promote women and encourage and develop young people and she celebrates the work of the YPHA in doing just that.


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FAQ

How many episodes does HortWeek Podcast have?

HortWeek Podcast currently has 209 episodes available.

What topics does HortWeek Podcast cover?

The podcast is about News, Gardening, Business News, Agronomy, Podcasts, Horticulture, Farming and Business.

What is the most popular episode on HortWeek Podcast?

The episode title 'The Grounds Management Association on sector challenges and opportunities as it celebrates its 90th anniversary' is the most popular.

What is the average episode length on HortWeek Podcast?

The average episode length on HortWeek Podcast is 23 minutes.

How often are episodes of HortWeek Podcast released?

Episodes of HortWeek Podcast are typically released every 7 days.

When was the first episode of HortWeek Podcast?

The first episode of HortWeek Podcast was released on Jun 16, 2020.

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