The High Line Blog

  • Gardening in the Sky: An Increasingly Rare Breed

    How many botanists do you know? For many people, the answer is none and that's a problem because land managers and governments at the town, county, state and federal level need botanists to determine what habitats to prioritize, to make recommendations about how best to restore lost habitat an... read more
  • Plant of the Week: Grey birch

    Grey birches give us so much to discuss! Ornamental gardeners may first point out the unique form and chevron-marked bark (both on display this season). Or perhaps they will focus on the foliage-glossy green leaves that move well in the wind and turn an attractive yellow in fall. The practical... read more
  • Spring Cutback 2018: Become a Volunteer

    In keeping with planting designer Piet Oudolf's vision, High Line plants are not trimmed back at the onset of cold weather as they are in most gardens. When spring arrives, the plants must be trimmed back to make way for new growth.During this monumental horticultural effort, called Spring Cut... read more
  • Plant of the Week: White turtlehead

    In the midst of harsh winter, gardens on the High Line continue to offer a glimpse of wild nature. Here, the perennials that have already finished this season's growth are left uncut until early spring. These plants display their natural forms and structures more prominently now than any other... read more
  • Plant of the Week: The Aster Family

    For this Plant of the Week post, I focused on a plant family, rather than a single species. The winter structure this family brings is crucial to the overall feel of a Piet Oudolf garden in winter. As the largest dicot family with over 23,000 species of herbs, shrubs, and trees with an almost ... read more
  • Plant of the Week: Winter sun mahonia

    Mahonia x media 'Winter Sun' is small to medium-sized evergreen shrub capable of growing ten feet tall and five feet wide. It becomes a prized specimen when it blooms in the late fall or early winter, producing fragrant yellow flowers. These inflorescences develop into clusters of waxy blue be... read more
  • Gardening in the Sky: Preserving Local Character

    Many plant species native to New York also grow in climates that are drastically different from ours. For example, wild bergamot's ( Monarda fistulosa) native range extends through Canada and nearly every state in the continental US. In Mississippi, nursery growers found a population of wild... read more
  • Plant of the Week: Early goldenrod

    When a snow-laden goldenrod leans into your path along the Western Rail Yards, seize the opportunity to take a closer look at its gritty structure. Dense panicles of ripe seed are held on stiff stems that bear high winds and sleet for the coming months. It takes a weed like Solidago juncea, the ... read more
  • Plant of the Week: Rose mallow

    This December, we've already had two snow storms on the High Line, which is a dramatic difference from last December's unseasonably warm weather. Right now our perennials are blanketed under a layer of fresh snow, and it looks winteresque here. One of our more striking winter architectural pla... read more
  • Plant of the Week: Lace Grass

    The natural community type for lace grass (Eragrostis capillaris) are oak barrens and hillside prairies. Hillside prairies are natural grassland communities that occur on moderate to steep exposed slopes, usually found on the crest of hills surrounded by oak forests. These communities nearly alwa... read more