Leonurus macranthus -

Family:	Labiatae
Habit:	Perennial
Height:	1
Synonyms:	L. japonicum. Miq.
Range:	E. Asia - China, Japan, Korea, Manchuria.

Leonurus macranthus () is a Perennial which grows to a height of 1m . It has a hardness rating of 0.
Leonurus macranthus will flower in January to March. the seeds ripen from March to April
The flowers from this plant are hermaphrodite (has both male and female organs) and they are pollinated by Bees

Soil Information

Leonurus macranthus will grow in light (sandy),medium (loamy),hard (clay) soil. It is not necessary for the soil to be well drained.
The soil prefers the following PH / acid levels :
- pH of less than 6, Acidic soils
- pH between 6 and 8, Neutral soils
- pH greater than 8, Basic soils
Leonurus macranthus prefers moist soils

Ideal Planting Locations

Leonurus macranthus can grow in semi or areas with no shade.

Grassy places and thickets in hills all over Japan[58]. Grows in shady places in Kiangnan, China[178].

Planting places suited to this plant described below.

• Grows within a woodland garden
• Grows on a sunny edge
• Works within dappled Shade

Cultivation Details

We have almost no information on this species and do not know if it will be hardy in this country, though judging by its native range it should succeed outdoors in most parts of the country. The following notes are based on the general needs of the genus. Succeeds in most soils[200]. Prefers a poor soil[108].

Edible Uses*

* See disclaimer
Edible Rating: 1/5
Shoots - cooked[178].

• Leaves -

Medicinal Uses*

* See disclaimer
Medicinal Rating: 1/5
The plant is a blood tonic and is used in the treatment of women's complaints, especially post-partum difficulties[178].

• Blood tonic - Is this any different to a blood purifier?
• Tonic - Improves general health. Slower acting than a stimulant, it brings steady improvement.
• Women's complaints - A very vague title, it deals with a miscellany of problems peculiar to the female sex.

Propagation

Seed - sow spring in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in the summer. If you have sufficient seed then it can be sown in an outdoor seedbed, or even in situ. Division in spring or autumn[238]. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

Known Hazards

None known

Other Uses

None known

Cultivars

no recorded cultivars

References

Flora of Japan. (English translation)
Ohwi. G.
Author: Ohwi. G.
Rating:
Publisher : The standard work. Brilliant, but not for the casual reader.
Date of Publication : 1965

Flora of China

Author:
Rating: http://flora.huh.harvard.edu/china/
Publisher : On-line version of the Flora - an excellent resource giving basic info on habitat and some uses.
Date of Publication : 1994

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