Tag Archives: bees

Styphnolobium japonicum (or when an Acacia is actually a Japanese Scholar Tree)

WP_20180807_13_03_38_ProI’ve got a definitive ID of the incredible blooming tree that I wrote about a couple of weeks ago . I wrote that it seemed to be in the Fabaceae family and I wondered if it might be some kind of sun loving acacia.  No one had seen it flower in over thirty years.

It is in fact a Styphnolobium japonicum (sometimes known as a Saphora japonica) a tree that’s a native of China but naturalised in Japan where it was discovered by European plant collectors. It was brought to Britain by James Gordon in 1753 and you can still see one of the trees planted at Kew in 1760.

It’s packed full of medicinal properties and has a special place in Buddhist culture where it is known as the scholar or pagoda tree and was often planted outside temples. The young monks would have lessons beneath its canopy.  In Jingshan Park in Beijing a large, old Styphnolobium japonicum is known as ‘The Guilty Scholar Tree’ .  The last ruler of the Ming Dynasty , the Chongzhen Emperor allegedly hanged himself from the tree in 1644 after the imperial capital, Beijing, fell to rebel forces led by Li Zicheng. Today it’s probably more often seen used in bonsai than it is in gardens.

The reason no one has seen this particular one flower is that it doesn’t do so until it’s at least thirty years old, sometimes quite a bit older. This one is around 35 or so years old.   The flowers are incredible and the whole canopy is alive with bees so I wasn’t surprised to discover that it’s recommended by The British Beekeepers Association as one of their ‘Trees For Bees’.

Planting a young Japanese Scholar Tree is probably for most of us something of a gift to the future one reason perhaps why it’s always been more of a tree for public parks than domestic gardens.   The person who planted the Heworth tree is no longer with us but it’s likely people (and thousands of bees) wil be enjoying those flowers on a yearly basis from now on.

Habitat Aid sell a variety of ‘Trees For Bees’  including the Scholar Tree on their website and half of the profits go to UK conservation charities.

Not all avenues are Acacia avenues (and and not all acacias are acacias)

There’s been strange goings on in Heworth this summer.  While gardeners and the plants they look after have been wilting in the heat some things have been quietly preparing for a bit of a show.

Take this incredible, eye-popping acacia for example. It’s not one I look after, but has sat for decades in the garden next door to a client’s producing lovely foliage, losing some of its new growth each year in the winter frosts but otherwise not doing much else.

Then for the first time that anyone can remember it’s flowered. Not only has it flowered it’s entirely transformed into a mass of soft yellow sweet pea like blooms that cascade to make a beautiful canopy.  The whole tree buzzes with bees who probably think they’ve just arrived in heaven. There’s a reason why Acacia Honey sells at a premium.

I’m unsure as to the variety. I’m fairly certain it’s not the more common Acacia dealbata or mimosa which is a relatively common sight in English gardens. I’m currently trying to get an ID and will of course report back when I get the definitive answer.

I’m also waiting for the seed pods to appear so I can nab a few and attempt to germinate some of my own.

Acacias are native to Australia where they are often known as wattles and grow practically as a weed. After Eucalyptus they’re one of the most likely forest species to be found in those sun baked parts.  They’re also common in the Mediterranean where their foliage is often used by florists. They require lots of heat to put on such a good display as this one which really does underline just how extraordinary the first half of our summer has been.

The reasons the flowers look pea like is because they’re part of the legume or Fabaceae family (as too is wisteria) as too is the Robinia pseudoacacia which as the name suggest goes around pretending to be an acacia when it actually isn’t. There are a few giveaway clues that mark them out, the shape of the leaves being one of the most obvious.

That said, should someone come back and tell me that this is indeed one of those pretend acacias acting up I’ll take this news in the correct manner and chalk up a bit more hard won horticultural knowledge.

 

Laying on a (pollinator) buffet

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Outside catering always looks quite challenging. Doubtless you’ve been to wedding receptions and family gatherings where the food has either been terrible or insufficient. For our bees, butterflies and other pollinating insects life is one big outside buffet. Or at least it should be if those of us with gardens are doing our job properly.

There has been growing interest over the last few years in planting to benefit bees sparked by some startling statistics regarding their numbers. Across Europe we’ve lost over half of our bees in the past twenty or so years. In England the drop is one of the most dramatic. There’s all kinds of reasons cited for this but one that we can all do something about is what  we plant in our gardens. Where once nectar heavy cottage garden plants were the order of the day for most gardeners, the second half of the twentieth century saw the growth in popularity in more stylised gardens complete with hybrid plants. Add to that the general loss of urban gardens for car parking and building and the spread laid on for bees has been dramatically denuded. Pollinators play a huge part in feeding the nation and fueling the economy. Across China and the US ,the twin drivers of global growth , pollinator numbers have seen a rapid decline. The insect charity Buglife suggest that if current trends continue we won’t have enough to pollinate the crops we need to feed ourselves.

Thankfully that’s beginning to change but we all need to play our part. Even if you don’t have a garden you can plant a few pollinator friendly plants in pots on a balcony or outside your front door. If you’ve a backyard you can fill it with plants in pots. When we lived in a terraced house with just a backyard the walls were covered in Campanula portenshchlagiana the Dalmatian bellflower.

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It was all over the back alley and popping up on outhouse roofs. In the summer there would be an explosion of bluish purple flowers that acted like a magnet to bees. When our backyard was filled with pollinator friendly plants what had been a dead, quite hard concrete space felt like it was part of the natural world again. Campanula self seeded into our own pots and has traveled with us to our current house where it’s currently going native across the neighbourhood

There’s few things finer (and satisfying!) on a sunny day when the garden is flowering than seeing bees at work across the garden. And it’s very easy to attract them. The more pollinator plants you plant the more you will see. My own small garden is geared towards wildlife and I try now not to add anything that isn’t going to be of benefit to pollinators. They help to animate a garden.

Where to start ? There’s lots of info available on the web and the RHS as always is a good place to begin;

RHS Perfect For Pollinators

To help you when you’re buying plants look for the RHS Perfect For Pollinators badge;

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If you’re buying from small nurseries (and I’d heartily recommend that you do) then look out for wallflowers, lavender, nepeta (catmint), purple loosestrife, foxgloves, hollyhocks, jacob’s ladder, honeysuckle, agastache, monarda, salvias, scabious,  marjoram and  thyme.  If you’ve only got the space to plant one tree then make it a rowan. Ideally you should ultimately aim for something to be in flower that’s of interest to pollinators all year round.  Pesticides should be avoided and if you can build or buy a box for solitary bees to nest then you’re heading towards bee-topia.  Brunswick Organic Nursery in Bishopthorpe usually have a smashing range of pollinator friendly plants available all raised without the use of chemicals.

Amongst the varieties of bees that visit our garden in the summer our favourites are the leaf-cutter bees that have taken up residence in the ventilation pipes in our outside walls. They take bites from the rose leaves and drag them into the pipes behind themselves to help keep things cosy.