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TREE OF THE MONTH - APRIL 2017       SNOWY MESPILUS

2/4/2017

1 Comment

 
Picture
Flowers of Snowy Mespilus
There is plenty on show at the moment - locally many Cherries, Plums, Pears and Magnolias are in full flower, seemingly almost everywhere, heralding spring at last. But I've chosen something that is usually a little smaller, and perhaps a little more subtle, for April's Tree of the Month this year. In America it is the Shadbush, Shadblow, Saskatoon, Chuckley Pear or Seviceberry; here it is better known as the Snowy Mespilus or Juneberry - a clear example of the value of international botanical nomenclature - in this case the genus Amelanchier. That said, once you progress from genus to species, even the botanical nomenclature gets very confusing. A. arborea , which can get to 10m in this country, is often incorrectly called A. canadensis, which is smaller. The oft planted A. lamarckii is (or at least was) also the A. canadensis of many authors, but it might also be labelled A. x grandiflora. Sadly my identification skills are, at best, basic so I simply stick with 'Snowy Mespilus' or the generic 'Amelanchier' and stick with that. The name derives from the Provençal 'amalenquièr' - which is the European form -  A. ovalis.
Picture
Snowy Mespilus photographed on 1st April - Colehill, Dorset.
Part of the Rose family, the Amelanchiers are closely related to our Rowans, Whitebeams and Hawthorn . They are a wonderful genus of shrubs and small trees that offer great value to the smaller garden for their wonderful floral displays and autumn colour. Strictly speaking, 'Snowy Mespilus' is the European Amelanchier ovalis, a medium sized shrub, but the name has come to be applied to other introduced species that are commonly found in our gardens. They hail from Europe, Asia, and most abundantly from North America where there are about sixteen species.
The Snowy Mespilus is, quite rightly, a popular garden plant. The silver haired leaves emerge a pale coppery pink colour, at the same time as the masses of star shaped white flowers in late March to early April. Alas, this beautiful display is short lived and it might not be long in warm weather before the petals start to drift, like delicate flakes of snow, over your lawns and paths. It would be quite disappointing if it wasn't for the fact that so much else is awakening from its winter slumber to herald the arrival of spring.
Picture

As the alternative common name, Juneberry, suggests, the sweet fruit ripen in June, though they seldom form in this country. When they do appear, they will be quickly snapped up by birds - but you'd probably want something more reliable if it is bird-life you wish to attract. Where the berries are more plentiful, they hang like blackcurrants and are reportedly excellent eaten raw, being deliciously sweet and reminiscent of the blueberry - but with an almond accent. They are also used in pies and jams.
Picture
Berries. Image By Leo Michels (Own work; www.imagines-plantarum.de) [CC0], via Wikimedia Commons
But even if we don't benefit much from the fruit in this country, the Snowy Mespilus gives double dividends to the gardener. In autumn the leaves turn glowing shades of red, orange and brown; though like the flowers, it is a bit short lived. And the autumn colour isn't just an added bonus after the flowering - with the cultivar A. lamarkii 'Autumn Brilliance' it is clearly being marketed as the principal selling point - and what a fabulous finale it is.
Picture
A. lamarkii in autumn.
They can be propagated by seed or layering and can be grafted onto Hawthorn, but it is not recommended - I'm not sure why but certainly my only tree on a Hawthorn rootstock - a Medlar - struggled to compete. For all I tried to keep the Thorn from taking over, it thrived and finally muscled the crooked Medlar off the graft.

Amelanchier will do well in most soils if not excessively dry or waterlogged. In short, they are not too fussy and are easily cultivated. The most commonly available, and perhaps the best, Amelanchier lamarkii, is a multi-stemmed large shrub or occasionally small tree of up to 10m - though mine has stuck at about 4m and it was planted 17 years ago. I have also seen them effectively used as hedging, happily tolerating the annual trim. The only risk is that being in the Rosaceae family, it can be hit by fireblight disease. 
Sources:
Johnson, H. Trees
Maybey, R. Flora Britannica
Autumn colour image:  The Tree & Garden Gift Company
1 Comment
Cory link
25/1/2021 02:46:46 pm

Great read, thank you.

Reply



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