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Hemerocallis altissima

Hemerocallis altissima
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Hemerocallis altissima (Hemerocallis altissima) — botanical photograph
Pl. 2F7D — Hemerocallis altissima
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Overview

Hemerocallis altissima, commonly known as the tall daylily, is a perennial plant native to regions including Amur, China North-Central, South-Central, and Southeast, Inner Mongolia, Japan, Korea, and Primorye. This plant thrives in full sun to partial shade, tolerating both dry and moist conditions, making it adaptable to various environments. It prefers light (sandy), medium, or heavy (clay) soils with a pH range of 4.8 to 8.0, and can grow up to 1.2 meters tall. Known for its edible parts, Hemerocallis altissima can be consumed in various forms. The flowers, leaves, roots, and shoots are all used; typically, the flowers are eaten raw or cooked, while the leaves and roots can be prepared by boiling or drying. Shoots are often consumed fresh or added to soups and stews. This plant is also useful as a weaving material, adding versatility to its applications.

Quick answers

What is Hemerocallis altissima?

Hemerocallis altissima, commonly known as the tall daylily, is a perennial plant native to regions including Amur, China North-Central, South-Central, and Southeast, Inner Mongolia, Japan, Korea, and Primorye.

Growingconditions · propagation · uses
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Cultivation

Hemerocallis altissima thrives in full to partial sun, though it can tolerate partial shade. It prefers well-drained soil that is light (sandy), medium, or heavy (clay), with a pH range of 4.8 to 8. The plant is drought-tolerant but benefits from moist soil, especially during flowering. It grows to a height of 1.2 meters and is hardy in temperate regions. Propagate through division of the root or by seed. Harvest edible parts such as flowers, leaves, roots, and shoots.
Light
Full sun, Partial sun/shade
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Perennial
Mature size
1.2 m tall
Soil pH
4.8–8
For first-time growers

How to grow Hemerocallis altissima for the first time

8steps

Start with Hemerocallis altissima by planting it in a sunny spot and providing basic care.

  1. 1

    What you'll need

    A Hemerocallis altissima plant, well-draining soil, and a garden fork.

  2. 2

    Best time to plant

    Plant Hemerocallis altissima in early spring or late fall when the weather is cooler.

  3. 3

    Soil and container prep

    Ensure your soil is light (sandy), medium, or heavy (clay) with a pH between 4.8 and 8. Amend as needed to improve drainage.

  4. 4

    Sowing or transplanting

    Transplant Hemerocallis altissima by digging around the plant, lifting it carefully, and placing it in your prepared soil.

  5. 5

    First two weeks

    Water the newly planted Hemerocallis altissima regularly to help establish roots. Keep the soil moist but not waterlogged.

  6. 6

    Ongoing care

    Provide full sun or partial shade, and water when the soil feels dry. Fertilize once a year in early spring with compost.

  7. 7

    Harvest or pruning

    Prune dead flower heads to encourage new growth and maintain the plant's appearance.

  8. 8

    Common mistakes

    Overwatering, planting in heavy shade, using incorrect soil pH, and not providing enough drainage.

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Edible & utility

Edible parts:FlowersLeavesRootShoots
Edible uses: The Hemerocallis altissima plant is edible and can be consumed in various forms. The flowers, leaves, roots, and shoots are all used. Typically, the flowers are eaten raw or cooked, while the leaves and roots can be prepared by boiling or drying. Shoots are often consumed fresh or added to soups and stews.
Other uses:Weaving material
Contextrange · companions · related
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Distribution

8 native · 0 introduced
Distribution across1 continent· 8 native
Asia3 regions
native (3)ChinaJapanSouth Korea
Broader regions
native:Amur, Primorye
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Specimen gallery

1 image
Hemerocallis altissima (Hemerocallis altissima) — botanical photograph
Hemerocallis altissima (Hemerocallis altissima)
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