Friday, April 28, 2023

Tree Talk

 

Martin Nicholson


I was visited by Martin Nicholson, Curator of the Hoyt Arboretum, Portland Oregon this past week. At one point he noticed a skinny conifer in the distance – not that it was particularly attractive – but wondered what was the species. I answered, “Cryptomeria japonica 'Rasen' which is one of the fastest growing conifers in the collection.” In fact, I wrote about it in the Flora Wonder Blog Tall Timbers of February 17, 2023:


Cryptomeria japonica 'Rasen'


Cryptomeria japonica 'Rasen'


Cryptomeria japonica 'Rasen'


An even taller-timbered tree is Cryptomeria japonica 'Rasen', where the cultivar name translates to “barber pole” due to its leaves spiraling around the stems. Hillier lists a number of Cryptomeria cultivars, such as 'Rasen-sugi', 'Sekkan sugi', 'Tenzan sugi' etc., but that's redundant redundant because “sugi” is the Japanese name for the genus anyway...so Cryptomeria japonica 'Rasen-sugi' would translate to “Japanese cedar 'Rasen' Japanese cedar.” Despite my previous missive in this blog about slower-growing own-root plants, our 'Rasen' is already over 50' (15.m) tall by approximately 10' (3m) wide at only 18 years of age, and it was propagated by a rooted cutting. It's so vigorous that stem growth actually pushes out from the center of the female seed cone, as if to say, “Get out of the way – don't try to inhibit me with reproduction.”


Martin was amused by the “barber pole” meaning of the cultivar name...then somehow we bounced from that curiousity to the “white sugi” Cryptomeria that I saw in Japan in 2019. Below is a re-run blog from December 20, 2019, Japanese Venerables, where I eventually mention the single-clone forest of Japanese cedars, all with the perfectly straight white trunks:

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My wife's parents, Yusuke and Fumie Nagamine from Tokyo, knew a few months in advance that I would be visiting Japan at the end of November, 2019, and that I would be coming for “business.” I didn't buy or sell anything, so my “business” – as in a tax write-off – was to see and document the native flora, whether the plants were carefully crafted in a garden setting, or just naturally biding their time in their mountainous habitat. Both in-laws diligently researched and set up an itinerary that would satisfy my goals, and they succeeded in providing a trip of a lifetime.

Zempukuji Ginkgo



By train we went to a temple in an area of Tokyo that featured the oldest (probably) Ginkgo biloba, supposedly over 600 years old. The leaves were just beginning to turn yellow, but the area under it, a cemetery, was completely clean of leaves or fruits, so I assumed that the venerable old specimen was a male. Only 100 feet away was a much younger Ginkgo and she was showing off with butter-yellow foliage and had already lustfully dropped hundreds of seeds. The Grandfather Ginkgo had a horrible canopy and a somewhat rotten back side – caused by an incendiary bomb at the end of WWII – but the trunk was massive. I'm sure that he was happy to have the fecund, younger female nearby to help sustain him in his old age, so in that case the pair resembled old Buchholz and his younger Japanese wife, Haruko.
























Female Ginkgo biloba


Townsend Harris
The female Ginkgo has a stone tablet that reads: On this spot Townsend Harris opened the first American legation in Japan. July 7, 1859. Harris (1804-1878) was a New York City merchant and minor politician who did some business previously in the Orient, and while in Japan he “negotiated” the Harris Treaty which opened Shogunate Japan to foreign trade and culture. According to persistent legend, Harris adopted a 17-year-old geisha named Kichi Saitou – who can blame him? – but she was heavily pressured into the relationship by Japanese authorities, and then was ostracized after Harris' departure. I don't know if the female Ginkgo existed at the time of the Harris affair – somehow it didn't look to be that old. “Kichi” is a provocative name if you ask me. The word ki can mean “tree” and chi chi can mean “female breast,” but Haruko insists that the geisha's name has nothing to do with “breast tree.” It would be a wonderful coincidence if it did, and that a female ginkgo was placed where old Harris did his deeds. Anyway kuchi means “lips” in Japanese, and it's fun to think about kichi's kuchi for this old pervert.

Ginkgo biloba


The male Ginkgo had a number of pendulous breasts, some of which were nearly hanging to the ground, but they're not particularly attractive appendages. It is known as the “Giant Ginkgo-Tree of Zempukuji,” the name of the accompanying temple which was founded in 824. Holy-man Shinran Shonin was teaching doctrine at the temple, and he concluded by emphatically placing his staff in the ground. Soon the staff began to put forth buds and spread branches, finally growing into the tree we see today.





Icho Namiki


We left the Ginkgo pair to themselves and boarded another train to see Ginkgo avenue in Tokyo. Ginkgo is known as “icho,” and is the official tree of Tokyo, and the icho leaf is the symbol of Tokyo where you will see it above subway stations, on manhole covers and on the sides of buildings. Icho Namiki is the 300m-long avenue lined with two rows of Ginkgo on both sides. I was surprised that they were heavily pruned into narrow pillars and they were maybe 100 feet tall. When Haruko was a child the trees were not so severely pruned, and she and her best friend Chihiro would ride their bicycles through the leaves every November. When Chihiro – now living on a distant island – saw the photo (above) she was shocked by the excessive “haircuts.” These days the avenue is open for pedestrians only in November, with nearby policemen patrolling the throng of visitors. Alas, we were a few days early for the yellow carpet, but what's amazing is that all of the trees will shed at once – “in one consent,” according to former U.S. poet-laureate Howard Nemerov. Peter Crane, author of Ginkgo: The Tree That Time Forgot (2013, Yale University Press) says that “Ginkgo has the most synchronized leaf drop of any tree” he knows.

Ginkgo biloba


Ginkgo biloba 'Blue Cloud'
According to Peter Crane, over ½ million Ginkgo are planted as street trees in Tokyo, and amazingly a very large Ginkgo can produce nearly a million leaves per year. Imagine the number of leaves produced at Icho Namiki since there's about 150 trees total. They were planted in the 1920s when they were about 20' tall, and thank God they survived WWII. I find it amazing that with Japanese maples, yellow, green or red foliage in spring and summer can turn to yellow or orange or red in autumn, but a Ginkgo only turns to yellow, and that includes our introduction of Ginkgo biloba 'Blue Cloud'.

Nishi Honganji

Ginkgo biloba


Ginkgo biloba


The most impressive Ginkgo I saw in Japan was a few days later in Kyoto. I don't know if it's ever pruned or not, but it is a great spreading specimen over 400 years old, with its lateral branches supported by strong posts.* A fence protects its root zone, but other than that it is gloriously alone in the middle of a couple of acres, “alone” if you don't consider me or the other dozens of tourists who approach it. The accompanying temple is named Nishi Honganji – ji means “temple” – the origins of which go back to the 14th century, and today it is designated as a UNESCO World Heritage Site.

*Due to its flat-top shape it is affectionately referred to as the “upside-down” Ginkgo. Another common name is the “water-fountain” Ginkgo, as apparently water sprayed out of its canopy during a great Kyoto fire, and thus the tree was able to protect itself.



Ginkgo biloba


Every Ginkgo we saw in Kyoto was in sync with the old temple specimen for autumn color, and whenever the sun broke through the tourists – yes, tons of Chinese – were recording the event with their telephone cameras. One wonders how many digital clicks occur in Kyoto every day in autumn, what with the brilliance of the Japanese maples and Ginkgoes. I add my photos to the blog, but what does everybody else do with theirs? Who knows, maybe everyone else was on a “business” – tax-write-off – trip like me?

Pinus thunbergii


Pinus thunbergii




My daughters wanted to sight-see in Tokyo, in particular the Shibuya Crossing, an insane intersection (called the Scramble) rumored to be the busiest in the world where upward to 3,000 people cross at a time, coming from all directions at once. Naturally pop stars want to have a video shoot with the mass of humanity surrounding them. I elected to pass on that event and instead went with Haruko and her father to see the oldest Japanese black pine in the Tokyo area. Yusuke (father-in-law) rather enjoyed having me in town because, now retired, I'm his excuse to discover new things for himself. We deboarded the train at the Koiwa suburb and gave the taxi driver instructions to take us to the great pine. Driver nodded in affirmation and soon dropped us off at the Zenyoi temple complex where the massive Pinus thunbergii (650 years old) hogged a large portion of the courtyard. Like the old Kyoto Ginkgo, the pine was low and spreading and its branches were supported with concrete poles. The poles could have been boring to do the job, but instead they were ornamental with bark-like texture and fake cuts here and there to suggest living tree rings.

Yusuke Nagamine (left) and Temple Man (right)


Thank goodness my daughters weren't here because 5 seconds is all they would need to “see” the pine tree, then they would have sat on a bench and sulked while their father wasted the afternoon circling around the stout specimen. The fun part is that the light was constantly changing during the partially sunny afternoon, so every point of view was unique, and I've never felt a tree to be more alive with its own treeanality. I'm told that the Japanese locals believe that God lives in the tree, and I suppose they're right. At the time we were the only visitors, but we attracted the attention of the temple's maintenance man, a little guy with a happy face. He explained to Haruko's father that he was 85 years old and couldn't imagine a day apart from his beloved pine. Yusuke informed the man that I wasn't just an ordinary tourist, but that I was his daughter's husband, a “famous maple botanist from America.”

Lumber mill


White Sugi


White Sugi


The last of the venerables that I'll mention is the “white sugi” (Cryptomeria japonica) that is up in the Kitayama Mountains north of Kyoto. Hardly any tourists know or would care about it, but Haruko's mother did her research, and her father rented a van with driver, so we journeyed on a rainy morning into the mountains. The tree (600 years old, if I heard correctly) is revered by the local denizens as a power presence, and it was surrounded by a gate and a shrine or two. The trunk was light-colored, not exactly white, but not the typical reddish-brown of the species. Further unique was the abnormality that it never produced pollen. The man-planted forest in the area was offspring produced by cuttings, so the entire hillside consisted of one clone. There was a sawmill nearby and you can see from the photo that every tree looks identical and perfectly straight. For centuries the wood from the Kitayama Mountain area has been prized for tea room and tea house construction, and even today it is used for elegant interior wood work. The other plus about the pollenless forest is due to a serious hay fever (kafunsho) problem that many Japanese suffer from. Hay fever was not common until reforestation practices after the War led to mature trees with increasing amounts of pollen, and today approximately 25 million (20% of the population) suffer, and it is common for them to take hay-fever vacations to less polluted areas.

Yuki Tamori (front right)


The Japanese person in the photo above is Yuki Tamori, an intern who worked and lived with us for a year in about 2013. I could see that he was no longer a simple boy, but that he had grown into a man. At the nursery, I would greet him each morning with “Today?” “No,” he would reply. “Tomorrow?” “No, not tomorrow.” “Tamori?” “Yes, I am Tamori.” The last time that I saw Mr. Tamori before this day is when I dropped him off at the Portland airport for his return flight home. We got out of the car and unloaded his luggage. I shook his hand and thanked him for being a wonderful worker and member of our family. I glanced back as I drove off, and there was Yuki feebly waving one hand with tears streaming down both cheeks. I welled up a bit too.

Friday, April 21, 2023

Betula Bygones

In the April 14, 2023 Flora Wonder Blog I bragged about my birch collection:


Betula ermanii 'Fincham Cream' at Flora Farm


Betula ermanii 'Fincham Cream' at Flora Farm

I have a modest Betula collection at Flora Farm consisting of a dozen or so species. Most are named with the same identification when I acquired them long ago, but I know that the taxonomy has changed in recent times. For example my wonderful tree of B. costata 'Fincham Cream'* is not listed in the Hillier Manual of 2019, although suggestions are made that a number of B. costata cultivars actually belong to the B. ermanii group, though the latter listing does not include 'Fincham Cream'. The RHS Horticultural Database – the same outfit that produces the Hillier Manual says B.c. 'Fincham Cream' is a synonym of B.e. 'Fincham Cream'. B. ermanii is from China, but can also be found on Mount Hakkoda, N Honshu, Japan, according to Hillier, and Haruko's book has some excellent photos.


Fincham Hall


Leonard Maurice Mason Gravesite


*Named from the late Leonard Maurice Mason's arboretum at Talbot Manor, High Street, Fincham, a village in northwest Norfolk, England. Mason was a wealthy farmer of 6,000 acres but his hobby was tropical plants such as orchids, bromeliads and begonias, and later in life he was awarded the Victoria Medal of Honour. His headstone was adorned with images of foliage and bears the inscription “A Great Plantsman.”


Betula ermanii 'Fincham Cream' in the Humphrey Garden


Brian Humphrey

To my delight I received an interesting anecdote from English plantsman Brian Humphrey, my source for the Betula ermanii 'Fincham Cream':

Dear Talon

As always we enjoy your blogs, the latest struck a particular cord with the reference and pictures of Betula ermanii Fincham Cream.

I am sure you will have forgotten that I sent scions of this to you many years ago, but perhaps not the story behind it.

As you say Maurice Mason was a great plantsman and collector and larger than life character. When we moved to the east coast from Hampshire and Hilliers I made contact with Maurice to look round his gardens, the original at Fincham and a second one (Larch Wood) about 10 miles away, where he resided.

At Fincham I found a block of 5 Birch labelled costata and I knew exactly their origin as seedlings raised at Hilliers and planted at the old Brentry nursery. Maurice was an important Hillier customer and Harold Hillier took him round the nurseries personally. I can just hear Maurice saying "Harold get your people to dig me up the best five of those". Both had booming voices which resonated across the nursery!

Many years later I found the five trees planted out at Fincham. Maurice was always extremely generous and I took scions from the best of the five and called it Fincham Cream. Later the RHS botanists decided it was in fact ermanii and not costata, no surprise there.

We have a large multi-stemmed tree of it here and as you say it is a great plant with fine bark and lovely golden autumn colour.

Maurice was a generous host and in the early days here Julie and I visited frequently to stock up plants for the garden and subsequent nursery. He would always say "take what you want". We always got invited to lunch where Maurice always wanted to reminisce about `uncle Harold` as he called Harold Hillier. After lunch which was well washed down with wine we always had a largish glass full of Scotch Wisky with our coffe. The result was we always left Maurice`s place completely drunk and had to make a point of collecting what we wanted before rather than after lunch!

Bestest to yourself and Haruko

picture of our Fincham Cream attached

Sadly, B.e. 'Fincham Cream' is no longer in my production – because no one would buy it – but it is a wonderful clone and I frequently admire my single specimen at Flora Farm. As I've said in the past, I hope that this tree, and all of my trees, will outlive me.

Betula albosinensis 'Corbin'


Betula albosinensis 'Corbin'


A similar fate befell one of the nursery's first plantings, a Betula albosinensis 'Corbin'. I acquired scions from a beautiful tree in the garden of the late Dr. Corbin of Portland, but nobody would buy that tree from me either. I tried to promote it to a landscaper who bought a few things from me in the early days. He waved off the albosinensis species because it wasn't “white enough,” and he and his clients would surely prefer the “jack-birch,” now known as Betula utilis var. jacquemontii. Well, I eat vanilla ice cream too, but I appreciate many other flavours as well.


Betula albosinensis


Betula albosinensis

The Corbin tree of Betula albosinensis isn't really worthy of cultivar status, though it's a lovely tree, but I call it 'Corbin' to acknowledge the source, especially since I have acquired other clones of the “Chinese Whitebark” birch, and want to make it perfectly clear to myself, my employees and my customers what is being produced and for sale. To further describe it botanically, this selection is the variety (var.) septentrionalis. This does not mean that it was discovered or introduced in September, rather septentrionalis comes from the Latin septentrion which refers to the northern regions of its range, as the term means the “seven plow oxen,” or the seven principal stars of Ursa Major (the Great Bear) of which Polaris (the North Star) is one. The word “septentrional”* is synonymous with the term “boreal,” which is derived from Boreas, a Greek god of the North Wind.

*From septem for “seven” and triones, plural of “trio plough-ox.”


Betula utilis

I have never seen Betula albosinensis in the wild...or have I? We are now to identify it as Betula utilis subspecies albosinensis and the parent species of utilis is widely distributed throughout the Himalaya from Afghanistan to southwest China, and according to Hillier is “very variable in bark colour.” My Corbin tree matches the Hillier description: “A beautiful medium-sized subspecies with glossy to matte green leaves...the attractive, peeling bark is pinkish to coppery red, cream when first exposed. Introduced in 1901 by Ernest Wilson.” The photo of me (above) was taken 25 years ago in the Nepal Himalaya, at about 12,000' elevation, but I admit that I'm unqualified to assign the grove a specific epithet with certainty.


Betula utilis 'Yunnan'


Betula utilis 'Yunnan'

I did collect seed of a Betula in China, and the tree featured glossy mahogany-colored bark. I assumed it was of the utilis species, but then I'm not a birch expert. Seed was harvested at about 6,000' in elevation, so a relatively low-land form, and perhaps that contributed to its coppery color. It was christened 'Yunnan' as I was in the Lijiang region of Yunnan in the 1980s. I no longer grow the tree commercially, in fact I don't even have one on the place any more, but hopefully it continues in others' gardens since I probably sold a couple hundred before I quit it altogether. My original specimen (photos above) is no longer at the nursery because it fell victim to a frenzy of garden thinning since it flopped sideways, at least as wide as tall. Thanks for the memories though.


Betula utilis 'Jermyns'

Olde Humphrey also gifted me a start of Betula utilis 'Jermyns'. There again we have a “cultivar” name rendered with perhaps over-zealous impunity, i.e. by horticulturists either trying to peddle “named”clones versus the type tree, or by an honest jamoke like me who is just trying to keep correct provenance. Describing this birch previously, I wrote:

A start of Betula 'Jermyns' was sent to me about 25 years ago by a bonafide Englishman, in fact by a former Hillier employee. Back then the consequences of getting caught with ornamental contraband was minimal, and certainly no harm ever occurred. The birch was named for the area of the Hillier arboretum, as Jermyns Lane is the public road to the south of the garden. The birch was named in 1964, and was selected from a batch of plants of B. jacquemontii from a Belgium nursery. Almost certainly a hybrid or form of B. utilis...” Well, I guess we are now to consider the specific classification of jacquemontii as a subspecies of B. utilis, which puts a whole lot more letters on a small plant label. Utilis is Latin meaning “useful,” and one use in its native western Himalayan range is that the paper-like bark was used in ancient times for writing Sanskrit scriptures and texts. 'Jermyns' is a great tree, but another where sales were never very strong, and I no longer have it in production.


Betula utilis 'Jermyns'


Betula utilis 'Jermyns'

The bark of B.u. 'Jermyns' is not especially remarkable, as compared with the trunks of all the other named birch cultivars, but my enthusiasm for the selection is due to its very prominent catkins, and Hillier describes them as “long and showy, up to 17 cm.” The catkins are indeed showy, and I had a containerized tree in the lush environs of Box Area Greenhouse 9 whose catkins measured 25 cm (10 inches) long. I was tempted to write to Hillier, and with a tape measured photo to suggest they amend their measurement, but I doubted that the English company would ever concede to any comeuppance from this American firm.


Betula nana


Betula nana


Betula nana

I used to sell Betula nana, a dwarf shrub with tiny, rounded leaves. I don't remember where I got my start, but Hillier refers to it as a “native,” but that similar species occur in North America and northeast Asia. We were selling rooted cuttings at 0.25c apiece back in the early 1980s, and Betula nana was probably our most profitable crop ever. For every 100 cuttings planted, at least 110 would root, and if you dropped your pencil in the cutting flat it would root too. Sadly though, after a few years of fun we had apparently sated the market and the demand dropped to nearly zero. My (now) ex-wife was fond of driving the company from her back-seat perch, and she suggested that we continue to root B. nana – and by the thousands even – and then I should get to work on promoting their sale. I decided to focus on what customers were clamoring for, such as grafted maples and conifers, instead of urging them to purchase what I found easy and profitable. Only one tree remains at Flora Farm, and it was top-grafted onto Betula pendula, but now the bush droops nearly to the ground.


Betula nigra 'Fox Valley'


Betula nigra 'Fox Valley'


Other birches have come and gone, and those that remain are all planted at Flora Farm. The only exception are two specimens of “River birch” planted down next to the creek at our southern woods. They are out of the way but both lean considerably in search of sunlight. One was acquired as a supposed dwarf and named 'Fox Valley' and the other had the cultivar name of 'Little King'. Later I learned that they were one and the same. Neither receives irrigation or fertilizer but they have both grown quite large. I find the trunks attractive and autumn leaves can be colorful as well.


Betula pendula 'Trost's Dwarf'


Betula pendula 'Trost's Dwarf'

Oh wait, there is still another birch at the nursery, a Betula pendula 'Trost's Dwarf' which is planted next to the office. It is rather scrappy in form and overall appearance, but it does rise to 10 feet tall at 40 years of age. The trunk is a dirty white and clad with moss, while the smaller twigs are festooned with lichen. I have hundreds of other plants that would look better in its stead, but it reminds me of the time when I could sell a couple of thousand grafts per year. 'Trost's Dwarf' was the darling of the Oregon nursery world, but for a short time only. Customers in America's Midwest and East coast found that the plant would defoliate by July in their harsh climates and sales were considered a one-time mistake. I remember touring a large Oregon wholesale nursery in the mid 1980s, and next to their main road was a couple thousand 'Trost's Dwarf' in one-gallon pots. They were sited conspicuously, so as to drum up sales I supposed. By the next spring the company found that they all had perished in the winter freeze, and I'm sure the sales staff was relieved to be done with them, and I'm glad they weren't my problem.


Talon, Age 6

In conclusion I remain a fan of the birches even though I'm no longer a seller of them. I used to be a swinger of the birches in my pre-teen days, and I suppose the poet Robert Frost had this little knuckle-headed Oregon boy in mind when he penned Birches in 1915. For those who don't know the poem, I will leave it with you. If you do know it read it again for you have changed.


When I see birches bend to left and right

Across the lines of straighter darker trees,

I like to think some boy's been swinging them.

But swinging doesn't bend them down to stay

As ice-storms do. Often you must have seen them

Loaded with ice a sunny winter morning

After a rain. They click upon themselves

As the breeze rises, and turn many-colored

As the stir cracks and crazes their enamel.

Soon the sun's warmth makes them shed crystal shells

Shattering and avalanching on the snow-crust—

Such heaps of broken glass to sweep away

You'd think the inner dome of heaven had fallen.

They are dragged to the withered bracken by the load,

And they seem not to break; though once they are bowed

So low for long, they never right themselves:

You may see their trunks arching in the woods

Years afterwards, trailing their leaves on the ground

Like girls on hands and knees that throw their hair

Before them over their heads to dry in the sun.

But I was going to say when Truth broke in

With all her matter-of-fact about the ice-storm

I should prefer to have some boy bend them

As he went out and in to fetch the cows—

Some boy too far from town to learn baseball,

Whose only play was what he found himself,

Summer or winter, and could play alone.

One by one he subdued his father's trees

By riding them down over and over again

Until he took the stiffness out of them,

And not one but hung limp, not one was left

For him to conquer. He learned all there was

To learn about not launching out too soon

And so not carrying the tree away

Clear to the ground. He always kept his poise

To the top branches, climbing carefully

With the same pains you use to fill a cup

Up to the brim, and even above the brim.

Then he flung outward, feet first, with a swish,

Kicking his way down through the air to the ground.

So was I once myself a swinger of birches.

And so I dream of going back to be.

It's when I'm weary of considerations,

And life is too much like a pathless wood

Where your face burns and tickles with the cobwebs

Broken across it, and one eye is weeping

From a twig's having lashed across it open.

I'd like to get away from earth awhile

And then come back to it and begin over.

May no fate willfully misunderstand me

And half grant what I wish and snatch me away

Not to return. Earth's the right place for love:

I don't know where it's likely to go better.

I'd like to go by climbing a birch tree,

And climb black branches up a snow-white trunk

Toward heaven, till the tree could bear no more,

But dipped its top and set me down again.

That would be good both going and coming back.

One could do worse than be a swinger of birches.


Robert Frost