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Plant Encyclopedia

Phacelia tanacetifolia

Phacelia tanacetifolia (lacy phacelia, "Hazeriso")

Japanese name: ハゼリソウ (葉芹草)
Scientific name: Phacelia tanacetifolia

Phacelia tanacetifolia

[Overview]
An annual 30–100 cm tall.
The whole plant is covered with glandular hairs.
The stem is erect.
The leaves are alternate, 2–20 cm long, deeply pinnately cut, with the lobes further pinnately divided.
Cymes to racemes arise at the stem tips, and the branches of the inflorescence are coiled downward in a spiral.
The flowers are tubular, pale blue to lavender, and the tip of the corolla is divided radially into 5 lobes.
Five stamens protrude out of the flower.
The fruit is a capsule.

[Cultivation]
Propagate from seed.
It prefers sunny, well-drained, not very fertile, slightly dry sandy soil.
It dislikes heat and humidity.

Details

Names
English: lacy phacelia, blue tansy, purple tansy
Japanese: ハゼリソウ(葉芹草)
Life form
Annual
Habit
Terrestrial
Planting (or sowing) season
April, October
Flowering season
June, July, August, September
Distribution or origin
Southwestern United States to northwestern Mexico
Height
300–1000 mm
Leaf shape
Lobed leaf
Leaf arrangement
Alternate
Inflorescence
Raceme, Cyme
Flower color
Blue, Purple
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seeds
Propagation
Seed
Sun exposure
Full sun
Water needs
Dry, Moderate
Soil needs
Required
Suitable uses
Ground cover
Japan Flower Trade Code
38907

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

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