Two of the coldest winters of the century ravaged this country in 2009 and 2010. Hundreds of thousands of much-loved plants met a cruel death, and tree ferns were no exception. Yet Dicksonia antarctica (Fig.1), with its Jurassic Park overtones is, I believe, the easiest of the tree ferns to keep outdoors in the U.K. The beautiful specimen you see here was one of two in my North Yorkshire garden, photographed in December 2010, but it was crippled by the severity of the frosts later in the winter. Not,perhaps, in vain; it has furthered my stumbling research into how best to keep them alive. I'll tell you what I've tried, how I got on and what I've learned. It's been written of me that I ask questions of plant physiology that only laboratory tests candetermine. Guilty as charged, but there is another way. Alan Titchmarsh wrote a book that will give you a clue. He called it "Trowel and Error". I hope you'll learn from the many errors I made. Incidentally, when he signed my copy I told him that it wasa forking good read. His chuckle is quite delightful. While on the subject of books, I heartily commend the book The Plantfinders Guide to Hardy Ferns, by Martin Rickard. It is particularly informative on tree ferns, and I wish now that I'd read it morediligently.
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机译：在2009年和2010年，这个世纪的两个最寒冷的冬天肆虐了这个国家。成千上万的受人喜爱的植物死于残酷，树蕨也不例外。但是，我相信带有侏罗纪公园色彩的南极Dicksonia南极洲（图1）是在英国最容易在户外饲养的树蕨。您在这里看到的美丽标本是我在北约克郡花园中拍摄的两个样本之一，摄于12月。 2010年，但由于冬季晚些时候霜冻的严重性而瘫痪。也许不是徒劳的;这使我在如何最好地保持它们存活方面陷入了困境。我将告诉您我尝试过的方法，如何相处以及所学到的知识。据我写，我问植物生理学的问题，只有实验室测试才能确定。被控有罪，但还有另一种方法。艾伦·蒂奇马什（Alan Titchmarsh）写了一本书，将为您提供线索。他称其为“ Trowel and Error”。希望您能从我犯的很多错误中学习。顺便说一句，当他在我的副本上签名时，我告诉他那是一本好书。他的笑声很令人愉快。在书籍方面，我衷心推荐马丁·里卡德（Martin Rickard）写的《植物发现者哈迪蕨类植物指南》。它对树蕨特别有用，现在我希望能更勤奋地阅读。
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