网站与创办者
Alpines.dk 由 Kirsten Andersen 和 Lars Hansen 一同维护, 网站介绍他们位于丹麦 Herskind 村 (奥胡斯以西约 15 公里) 的私人高山植物花园, 同时公开展示他们拍摄的岩石植物照片。两人并非职业园艺工作者, 而是业余爱好者, 自 1990 年代起开始改造这片 900 平方米的院子, 至今已坚持二十多年。
花园布局与土壤处理
由于 Herskind 当地土壤黏重, 园主在岩床中加入了大量沙子并堆出高低差以保证排水。园中大部分区域是平地, 只有温室附近的床位稍有坡度。岩石主要来自 Bornholm 的花岗岩、Nexø 的砂岩和带棱的田石, 岩石之间用红豆杉、黄杨作绿篱分隔, 步道铺以 Cotula minima 匍匐植物。
凝灰岩床与岩石槽
园中部分高山植物种在凝灰岩 (tufa) 上, 用 20 毫米直径钻孔填沙后植入; 几年后凝灰岩表面风化, 种子可直接落在石上萌发。岩石槽早期用 hypertufa 自制, 十年后逐渐碎裂, 后改为从波兰采购的砂岩和花岗岩成品, 现已改用纯沙作基质, 冬季不覆盖。
温室与鳞茎植物
园中一座 55 平方米的玻璃温室分成 28、18、9 平方米三段, 最低温度分别维持在 2℃、防冻和不加热。温室以 Narcissus、Fritillaria、Colchicum、Iris、Sternbergia、Tulipa 等小球根植物为主, 兼种 Oxalis laciniata、adenophylla、enneaphylla 与 Cyclamen。每年约 8 月 1 日公布多余的球根清单, 可邮件申请。
植物繁殖与种子交换
园内多数植物在丹麦苗圃买不到, 每年向海外采集者和专门苗圃购买种子与球根。播种是最主要的繁殖方式, 部分木本植物用插穗繁殖, 球根植物则结合每年换盆分球。Kirsten Andersen 还在 Kolding 的 Geografisk Have 参加植物集市, 销售多余的球根与植株。
Website and the people behind it
Alpines.dk is run by Kirsten Andersen and Lars Hansen, who document a private alpine plant garden at Herskind, a village about 15 km west of Aarhus, Denmark. The two describe themselves as amateurs rather than professional gardeners. They started reshaping what had been a vegetable patch and lawn into a rock garden roughly twenty-five years ago, and now cultivate more than three thousand plant taxa on a nine hundred square metre plot.
Layout and soil work
The local clay is heavy, so large amounts of sand were added when the rock beds were built. Apart from the beds adjoining the greenhouse, the plot is essentially flat; differences in level were created by piling up soil and sand. Stones used are Bornholm granite, Nexø sandstone and edged fieldstones. Hedges of yew and boxwood frame the garden, and granite paths are infilled with Cotula minima.
Tufa and troughs
Some of the most demanding alpines are grown in tufa. Holes of 20 mm diameter are drilled into the porous limestone, filled with sand and planted up; after a few years the surface weathers and seedlings establish themselves directly on the stone. The troughs were originally cast from hypertufa but began to crumble after about ten years, so they have been replaced with sandstone and granite troughs sourced from Poland.
Greenhouse and bulb collection
A 55 m² lean-to greenhouse is divided into 28 m², 18 m² and 9 m² sections kept at 2 °C, frost-free and unheated respectively. The collection focuses on dwarf Narcissus, Fritillaria, Colchicum, Iris, Sternbergia and Tulipa, with a sizeable set of Oxalis laciniata, O. adenophylla and O. enneaphylla kept in pots for selection, plus several Cyclamen species. Around the first of August each year a surplus bulb list is published and can be requested by email.
Propagation and plant sales
Many of the plants are unavailable from Danish nurseries, so seeds are bought from overseas collectors and bulbs from specialist suppliers abroad. Seed sowing is the main propagation method, with cuttings used for woody plants and division of bulbs at the annual repotting. Kirsten Andersen attends the plant market at Geografisk Have in Kolding; surplus bulbs and plants are sold on the open garden days and through the annual list.
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