Onerow Yellowcress

Nasturtium microphyllum

Native to:
Afghanistan, Australia, Austria, Belgium, Czechia-Slovakia, Denmark, Eritrea, Ethiopia, France, Germany, Greece, India, Iran, Ireland, Italy, Morocco, Netherlands, NW. Balkan Pen., Pakistan, Poland, Spain, Sweden, Switzerland, Yemen

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Nasturtium
Species:
Nasturtium microphyllum
USDA Symbol:
NAMI2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
white

Host Plant for Caterpillars

Green-veined white (Pieris napi)

Garden & Ecology Notes

Wildlife Value:
waterfowl, small mammals
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, moisture-retentive loamy soil
pH:
6.5 - 7.5 (neutral to slightly alkaline)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in stream banks and wet meadows

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily in wet or waterlogged conditions. Can also propagate vegetatively from stem fragments.

The above propagation data sourced from Claude AI