Hemerocallis hakunensis
Hemerocallis hakunensis
Educational content — not medical, botanical, or professional advice. Plant identification, safety, and edibility depend on local conditions, cultivars, and correct identification. Consult a qualified botanist or forager before consuming or handling wild specimens. How we source & review →
Pl. 512E — Hemerocallis hakunensis
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IOverview
Overview
Hemerocallis hakunensis, commonly known as the Hakone grass or Hakone iris, is a perennial plant native to Japan and Korea. This ornamental plant thrives in full sun to partial shade and can tolerate both dry and moist conditions, making it adaptable to various environments. It prefers light (sandy), medium, and heavy (clay) soils with a pH range of 4.8 to 8.0. Not only is Hemerocallis hakunensis valued for its attractive foliage and flowers, but it also offers edible parts including the flowers, leaves, roots, and shoots. Its distinctive features include vibrant golden yellow blooms that appear in late spring or early summer, adding a splash of color to any garden.
Quick answers
What is Hemerocallis hakunensis?
Hemerocallis hakunensis, commonly known as the Hakone grass or Hakone iris, is a perennial plant native to Japan and Korea. This ornamental plant thrives in full sun to partial shade and can tolerate both dry and moist conditions, making it adaptable to various environments.
Growingconditions · propagation · uses
VCultivation
Cultivation
Hemerocallis hakunensis thrives in full to partial sun and prefers moist to dry conditions. It grows well in light (sandy), medium, or heavy (clay) soil types with a pH ranging from 4.8 to 8. This perennial reaches a height of about 0.8 meters and is hardy in temperate regions. For cultivation, ensure the plant has adequate drainage as it can tolerate both dry and moist soils. Propagate through division or seed sowing. Harvest edible parts including flowers, leaves, roots, and shoots for culinary use.
Light
Full sun, Partial sun/shade
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Perennial
Mature size
0.8 m tall
Soil pH
4.8–8
For first-time growers
How to grow Hemerocallis hakunensis for the first time
8steps
Start with Hemerocallis hakunensis by planting it in a sunny spot and providing basic care.
- 1
What you'll need
A Hemerocallis hakunensis plant, well-draining soil, and a garden fork.
- 2
Best time to plant
Plant Hemerocallis hakunensis in spring or early fall when the weather is mild.
- 3
Soil and container prep
Ensure the soil is light (sandy), medium, or heavy with a pH between 4.8 and 8. Amend as needed.
- 4
Sowing or transplanting
Transplant Hemerocallis hakunensis by digging around the plant, lifting it gently, and placing it in prepared soil.
- 5
First two weeks
Water the newly planted Hemerocallis hakunensis regularly to help establish roots.
- 6
Ongoing care
Provide full sun or partial shade, keep the soil moist but not waterlogged, and mulch around the plant for winter protection.
- 7
Harvest or pruning
Prune dead leaves and spent flowers to maintain a neat appearance. Divide clumps every 3-4 years.
- 8
Common mistakes
Overwatering, planting in heavy clay soil, neglecting winter protection, and not dividing the plant regularly.
VIEdible & utility
Edible & utility
Edible parts:FlowersLeavesRootShoots
Edible uses: Hemerocallis hakunensis can be eaten in various forms. The flowers, leaves, roots, and shoots are all edible. Typically, the flowers are used fresh or dried for culinary purposes. Leaves and shoots may be consumed raw or cooked, while roots can be prepared by boiling or drying before use.
Other uses:Weaving material
Contextrange · companions · related
VIIDistribution
2 native · 0 introduced
Distribution
2 native · 0 introducedDistribution across1 continent· 2 native
Asia2 regions
native (2)JapanSouth Korea
IXSpecimen gallery
1 image
Specimen gallery
1 imageXI
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Companion planting
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Back to the cataloguePlant id · 512ea357-8a0b-4083-8eca-ef45758cddcc
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