苗圃概况
黑森霍夫苗圃（Kwekerij De Hessenhof）位于荷兰海德兰省埃德市的费吕沃地区，是一家专门繁殖生物多年生植物的家族苗圃，苗圃占地约两公顷，旺季有七八个全职人手，每年培育约三千个品种的多年生植物，号称西欧最大的品种集合之一。苗圃全年在林荫道与矮树篱之间辟出小畦展示成熟植株，访客可以拿着自己打印的清单到现场查找对应植物。
历史由来
苗圃创立于一九八一年，扎根费吕沃沙地自然区。当时荷兰的有机种植理念尚未普及，苗圃决定从一开始就走生物种植路线，自己配制土壤、自己繁殖种苗，至今四十多年仍坚持同样的做法。苗圃经历过几次场地扩张，目前的开放式种植格局，是九十年代逐步调整形成的。
种植理念
苗圃使用自家堆制的腐叶土替代泥炭，作为主要的盆栽基质。腐叶土里加入有机肥、树皮和火山岩，结构疏松、不容易积水，冬季比泥炭更透水。苗圃不使用化学肥料和合成农药，靠微生物、菌根菌和堆肥茶维持土壤生态。所有出售的植物都持有 Skal 生物认证，苗圃也因此被荷兰有机认证机构定期抽查。
植物收藏
苗圃的种苗几乎全部由自己繁殖，这是苗圃引以为豪的核心做法。自己繁殖可以保证品种纯度、植株健康，也避免长途运输带来的二氧化碳排放。对少数受专利保护的品种（如 Alstroemeria ‘Indian Summer’ 和 Brunnera ‘Sea Heart’），苗圃会申请 Skal 豁免，从采购小苗开始继续按生物方式栽培。苗圃的种子里也有少数外购，但始终坚持尽量走生物路线、自家掌控的原则。
开放参观
苗圃每年三月下旬至五月底、八月上旬至十月底向公众开放，开放日为周四、周五和周六上午九点至下午五点。六一儿童节至八月初为夏季停业期，期间连母本苗床都不对外开放。苗圃不邮寄植物、不接受预订、不留货，访客需亲自到苗圃选购。每周三晚苗圃自动更新库存网页，周四是现货最充足的时段。苗圃附设小花园商店，出售有机腐叶土、园艺工具、园艺书籍、植物标签和礼券。苗圃还曾开设过扦插与播种课程，也举办过面向公众的园艺讲座。
About the nursery
Kwekerij De Hessenhof is a family-run nursery in Ede, Gelderland, on the Veluwe in the Netherlands. It grows around 3,000 species of biological perennials on roughly two hectares, with seven or eight staff in the high season, and bills itself as one of the largest perennial ranges in Western Europe. Visitors walk between hedges and wooded borders, comparing mature plants in the display beds, and use the printed plant list they prepare online to find what they want on site.
History
The nursery was founded in 1981 on the sandy soils of the Veluwe, when biological growing was still unusual in Dutch horticulture. From the outset it chose to propagate its own plants in its own leaf-mould compost, and it has stuck to the same approach for more than forty years. The current layout of open display beds took shape through gradual expansion in the 1990s.
Growing philosophy
The nursery replaces peat with home-made leaf mould (bladaarde) as the main growing medium. The leaf mould is mixed with organic fertiliser, bark and volcanic rock to stay loose and free-draining, and it holds structure better than peat through wet winters. No synthetic fertilisers or chemical pesticides are used; soil life is kept active with mycorrhiza, compost tea and other biological inputs. All plants sold carry Skal biological certification, and the nursery is regularly inspected by the Dutch organic certification body.
Plant collection
Almost every plant the nursery sells is propagated on site, which is the cornerstone of its identity. On-site propagation keeps variety identity and plant health under the nursery’s own control, and avoids the CO2 cost of long-distance plant shipping. For a handful of patented varieties — Alstroemeria ‘Indian Summer’ and Brunnera ‘Sea Heart’ — the nursery buys in young plants under a Skal dispensation and finishes them biologically. A small share of seed is also bought in, mainly to preserve colour forms of plants such as aquilegia, but the rule stays the same: as much biological and as much in-house as possible.
Opening hours
The nursery opens to the public from late March to the end of May, and again from early August to the end of October, on Thursdays, Fridays and Saturdays from 9:00 to 17:00. From 1 June to 5 August it closes for the summer, and the mother beds are not viewable in that period either. No plants are shipped, no orders are taken and no plants are reserved — visitors come in person. Stock on the website is updated every Wednesday evening, and Thursday is the surest day to find what you want. The site also has a small garden shop selling organic leaf mould, tools, books, plant labels and gift vouchers. The nursery has run cuttings and seed-sowing courses in the past, and has hosted public lectures as well.
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