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Herbaceous Perennial

Boehmeria 'Kyushu Rikishi'

sycamore-leaf false nettle 'Kyushu Rikishi'

A handsome herbaceous perennial grown for its lush foliage. It has pairs of round green leaves up to 30cm across, which are deeply veined and have crisply serrated margins. In late summer-autumn, strings of long, pale flowers develop which look like pipecleaners

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Ultimate height

0.5–1 metres

Time to ultimate height

1–2 years

Ultimate spread

0.5–1 metres

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

East–facing or North–facing or South–facing or West–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Urticaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy, Clump forming
Genus: Boehmeria is a genus of 47 species of flowering plants in the nettle family. They may be trees, shrubs or perennials, are extremely hardy and provide a stable food source for butterflies and moths.
Name status: Accepted

How to grow

Cultivation

Grow in any deep, moisture retentive soil in partial shade

Propagation

Divide in spring or propagate from semi-ripe cuttings

Suggested planting locations and garden types

Cottage and informal garden
Sub-tropical
Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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