EVERGREEN

Plant Encyclopedia

Geum urbanum

Geum urbanum (herb Bennet, "Seiyodaikonso")

Japanese name: セイヨウダイコンソウ (西洋大根草)
Scientific name: Geum urbanum

Geum urbanum

[Overview]
A perennial 20–60 cm tall.
The whole plant is covered with many short hairs.
There are basal leaves and leaves alternate on the stem, which are odd-pinnately compound with 2–3 pairs of lateral leaflets.
Leaves on the upper part of the stem are 3-lobed.
The leaf margins are serrated.
The stem tips bear yellow 5-petaled flowers 1–2 cm across.
There are many stamens.
The fruits are achenes, gathered in a round cluster.
The achenes retain hooked, curved styles, and are carried away by clinging to clothing and the like.

[Uses]
It is used medicinally and as an herb.

[Cultivation]
Propagate from seed or by division.
It dislikes heat and humidity, so a place that is sunny from autumn to spring and becomes airy partial shade in summer is best.
It prefers a well-drained place.
Water thoroughly when the soil surface dries.
In spring and autumn, apply slow-release chemical fertilizer on the soil, and make sure no fertilizer remains in midsummer.
Pests and diseases include gray mold and aphids.

Details

Names
English: herb Bennet, colewort, St. Benedict's herb
Japanese: セイヨウダイコンソウ(西洋大根草)、ハーブベネット
Life form
Perennial
Habit
Terrestrial
Planting (or sowing) season
March, April, October, November
Flowering season
May, June, July, August
Distribution or origin
Europe to Middle East
Height
200–600 mm
Leaf shape
Odd-pinnate compound leaf
Leaf arrangement
Alternate, Basal
Leaf margin
Serrate
Number of petals
5
Flower color
Yellow
Flower diameter
10–20
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seedlings
Propagation
Seed, Division
Sun exposure
Full sun, Partial shade
Water needs
Moderate
Soil needs
Required
Tolerance
Cold tolerance
Suitable uses
Potted plant, Flower bed, Parks and gardens, Container
Diseases
Gray mold
Pests
Aphids
Uses
Medicinal

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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