EVERGREEN

Plant Encyclopedia

Coreopsis tinctoria

Coreopsis tinctoria (plains coreopsis, "Harushagiku")

Japanese name: ハルシャギク (波斯菊)
Scientific name: Coreopsis tinctoria

Coreopsis tinctoria

[Overview]
An annual 50–120 cm tall.
The leaves are opposite and deeply bipinnately divided, with linear to linear-lanceolate, glossy lobes.
The leaves in the upper part of the stem are simple, linear to linear-lanceolate.
Flower heads about 3–5 cm across are borne at the stem tip.
The ray florets are yellow with a purplish brown base.
The tubular florets are purplish brown.
The fruit is an achene.

[History]
It was introduced as an ornamental in the early Meiji period.

[Cultivation]
Propagate from seed.
It grows well in any soil as long as the site is sunny and well drained.
Rainfall is sufficient for watering.
Fertilizer is not particularly necessary.
There are no particular pests or diseases.

Details

Names
English: plains coreopsis, garden tickseed, golden tickseed, calliopsis
Japanese: ハルシャギク(波斯菊)、ジャノメギク(蛇目菊)、ジャノメソウ(蛇目草)
Life form
Annual
Habit
Terrestrial
Planting (or sowing) season
March, April, September, October
Flowering season
May, June, July, August, September
Distribution or origin
North America
Height
500–1200 mm
Leaf shape
Simple leaf (unlobed), Lobed leaf
Leaf arrangement
Opposite
Leaf margin
Entire
Flower color
Multicolor
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seeds, Seedlings
Propagation
Seed
Sun exposure
Full sun
Water needs
Moderate
Soil needs
Required
Tolerance
Cold tolerance, Heat tolerance
Suitable uses
Flower bed, Parks and gardens
Japan Flower Trade Code
16075

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

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