The Tropical Border – 5th Year

Each year, I hope that the Tropical Border will improve on the one before; that it will produce more flower, more stature, more oomph.

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And mostly that’s what it has done over the past five years … except perhaps this year.  Overall, 2016 hasn’t been its best.  It still looked pretty good though and the unfurling of vast leaves and splashes of loud, vibrant colour gave me a great deal of pleasure.  But if a few plants under-performed or failed to live up to my lofty expectation well, we all fail to deliver sometimes.

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May 2016

I planted out the big tender plants from the greenhouse later than normal.  Usually I wheel out the colocasias and red bananas in April but – after some sad cases of frostbite in the past – I deferred till 12th May;

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when Tetrapanax papyrifer ‘Rex’ showed the first glimmers of life.  Last year, I installed soaker hose in the border and connected it to an automatic watering system, which has saved me endless hours staring at a jet of water.  I left the hose in the ground overwinter and it survived without mishap … right up until the moment I stabbed it with a digging fork.  Twice.  (Cutting out the punctured length, inserting a short, rigid pipe into the cut ends and securing with couple of jubilee clips fixed that problem).

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Canna ‘Red King Herbert’ emerging

As new growth emerged, I gathered my formidable number of steel plant supports

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and, either singly or in pairs to form circles, pushed them in around the bendier of plants: the dahlias, the cannas and Salvia uliginosa.

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By early July, the bed filled out shrinking the expanse of brown earth but one of the large red Abyssinian bananas (Ensete maurelii) – visible left, off centre – didn’t grow at all: from planting out until I dug it up again in November.

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August 2016

A month later, when the border matured, it was completely lost from view and remained so for the rest of the season.   Which was annoying.  The Ensete is still alive it just … erm … didn’t grow.  I have no idea why as, having now dug it up again, the root system is healthy.  Oddly, a similar thing happened in 2015 but to the other of my two plants.  Perhaps, they’ve decided to take alternate rest years.

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Colocasia esculenta, on the other hand, did pretty well.  I planted them further forward than in the past and their big, quivering leaves poked out from the undergrowth like an inquisitive herd of small elephants.  Or something.

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Canna ‘Red King Herbert’ also did well with my steel supports preventing their usual habit of kneeling over to kiss the grass.

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Canna coccinea

As I’ve written before, Canna coccinea doesn’t need staking and arguably had more flower this year.

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I’ve split my original clump to provide two big plants and would split it again if I could squeeze in a third.

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It is such an easy, satisfying plant to grow

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aided by hefty amounts of pelleted chicken manure and regular watering.  It stays in the ground over-winter under a compost mulch.

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Dahlia ‘Bishop of Llandaff’

Dahlias on the other hand were a mixed bag.  A couple of years ago I wrote “Dahlia ‘Twyning’s Smartie’ produces a staggering amount of flower – each one different.  It is a reliable, non-stop stalwart, thuggishly shouldering to the fore.”  But that was then and this year my confident assertion proved patently untrue: Smartie failed to produce any decent growth and isn’t visible in any of these photos.  I leave my dahlia tubers in the soil to overwinter too, again under a mulch, but I shall dig up the three or four Smarties to see what’s up.

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Fortunately another mainstay of the bed flowered as well as ever – Dahlia ‘Bishop of Llandaff’.

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It’s curious that under the same conditions as Smartie, Llandaff grew as normal

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along with my third dahlia, D. ‘Twyning’s After Eight’.

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I ought to be grateful that these two varieties performed

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September 2014

(but I did miss my Smartie).

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A new addition to the border last year was the hardy banana, Musa sikkimensis which continues to thrive (and reinforces my growing disregard for the more mundane, unmarked leaves of Musa Basjoo).

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One of my two Abyssinian bananas did produce huge red leaves – central in the above photo – but a 50% strike rate is pretty rubbish and the failure of the other left an irritating hole in my grand scheme.  (Which actually shouldn’t be so very irritating given I’ve had the same problem two years running).

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From those few tiny leaves in May (shown in the third photo from top), Tetrapanax papyrifer ‘Rex’ didn’t disappoint.   I hadn’t realised how invasive its roots are however and little clusters of leaves shoot up metres away from the parent  – and are quickly pulled up.  How many more TPR’s can I give away?

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Salvia uliginosa

Despite plant supports, Salvia uliginosa still keeled over.  It grows to over six-foot and a metal ring about its knees didn’t much prevent the top two-thirds flopping about all over the place.

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And that’s a shame for a plant I love so much; a plant with an enormous amount of flower right through to the first frost.

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But I shall remove it completely from the tropical border next year.  With plenty of feed and daily watering it grows too vigorously, flops and madly colonises by runner to swamp the neighbours as well.  A sad farewell to an otherwise excellent plant (but I’ll use it elsewhere).

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August 2016

I’m also going to remove all the Verbena bonariensis.  I originally added this as filler when the bed was still gappy but it’s hardy necessary any more (though I said that a year ago so don’t be cross if you spot it again in 2017).

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Next year, thanks to the kindness of Big Plant Nursery, I’ll need to find space for Cautleya spicata ‘Robusta’, a hardy ginger, and Aechmea recurvata var. recurvata, a “super rare  bromeliad”.  Fancy.  BPN very kindly sent me these two gifts along with an invite to visit their nursery in West Sussex, which I certainly intend to take up.

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October 2016

I’ve written at length over the years about my tropical border with plenty of detail on all the plants I use and various ones I’ve tried and discarded (see, amongst others,  The Tropical Border – 4th Year).  This 2016 post, originally scheduled for September, is late because of our continuing house renovation but I wanted to continue my now annual tradition of showing the border’s evolution, even without that detail I’ve provided in the past.  If nothing else it gives me a useful record of the bed from one year to the next.

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First frost

Normally The Priory has its first frost in October, sometimes even in September.  This year, the border didn’t meet its mushy end until 1st November – giving me the longest display to date.  The tropical border might be a lot of work, a lot of angst and sometimes a little disappointment but in return it provides a big box of delights.  I can’t wait for 2017.

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Strimming A Wasp Nest …

… is foolhardy and best avoided.  (I could end this post now, I suppose … but let’s press on a little bit more).

Over the summer, I’ve been fascinated by wasp nests in the grounds of The Priory.

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One in particular is visible enough to avoid treading on by mistake.  The nest, like most in the garden, is in an old vole hole and sits on a dry bank under a large oak tree.

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Voles don’t make holes to a wasp’s  satisfaction and it is the excavations to enlarge the underground space that make the nest so obvious.  Standing quietly, with workers zipping past my ears, I’ve watched wasps carry out pebbles and lumps of clay bigger than themselves.

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They take these lumps several inches from the entrance and dump them on the spoil heap.  I’m intrigued at how large this underground nest is and, in a couple of months when it’s deserted, I might have to dig it up.

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There is a second nest about twenty feet away on a stretch of lawn behind the greenhouses.  This one is easily visible too and I’m careful to skirt around it with the mower.  (Having mowed a wasp nest before, I’ve learnt not to do so again).

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But I discovered a third nest only when I strimmed over it and remained blissfully unaware until I felt a sharp pain on my knee and glancing back saw a squadron of angry Vespula vulgaris spiralling out of their hole.  I legged it and escaped with only the one sting.

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Strimmed edges of the west pond

But I must press on with the strimming.  Autumn is the time for cutting pond edges, ditches, the outer fence line and areas of long grass I’ve allowed to grow for the benefit of wild-flowers.  I’ve strimmed these areas for years and – up until the Knee Sting Incident – I’d never disturbed a wasp nest.  I put my wasp attack experience down to bad luck (but not so bad as my friend Nick.  He is stung many times each year: most recently when he sawed through an otherwise invisible nest with a hedge-cutter.  He suffered twelve stings to the head and neck).

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I could wait for frost to kill the wasps but by then the cold and autumn rain will have flattened the grass (which makes the job far more difficult).  I strimmed the west pond without incident and moved on to the east pond.  I’d completed about fifteen feet when I suddenly felt a sting on my stomach and another on my back.  Panicking, I saw a wasp on my shirt and glimpsed a menacing cloud of yellow warriors erupt from the base of an old alder stump.  I was too busy running to see much more after that.

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Casting aside the strimmer, my helmet and lastly my gloves as I sprinted across the lawn, my yelps brought Jim running from the far side of the garden.  We hid in an outbuilding, closed the door and brushed off three more wasps from my clothing.  I’d been stung four times and if the initial pain was bad enough, a week of soreness and itchiness was worse.  Possibly.

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My enthusiasm for strimming evaporated (from an admittedly shallow pool) and I didn’t pick up the strimmer for 10 days.  And when finally I did?  I hit another wasp nest within a couple of minutes.  Thankfully, this time I saw them emerging before they stung me and once again I disappeared in a cloud of Anglo-Saxon invective, leaving a trail of gear in my wake.  I’m not having much luck with strimming this year but I shall have to try again.  I’ve already hit three more nests this year than in the previous seven years combined.

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Surely I won’t disturb another one, will I?

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Despite my current red alert level of wasp-fear, I have no intention of poisoning any of The Priory’s nests.  Wasps are important pollinators and prey on a range of pest insects.  Generally – apart from 2016 – I don’t find them a problem and I’m happy for us to co-exist.  So long as they are.

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