High Mallow

Malva sylvestris

Native to:
Afghanistan, Albania, Algeria, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, China, Corse, Cyprus, Czechia-Slovakia, Denmark, East Aegean Is., Egypt, Finland, France, Germany, Greece, Hungary, Iran, Iraq, Italy, Kazakhstan, Kirgizstan, Kriti, Krym, Lebanon-Syria, Libya, Madeira, Morocco, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Palestine, Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Sinai, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Malvaceae
Genus:
Malva
Species:
Malva sylvestris
USDA Symbol:
MASY

Growth Characteristics

Life Cycle:
Annual | Biennial | Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul,aug,sep,oct
Bloom Colors:
pink, purple, magenta

Host Plant for Caterpillars

cotton tipworm (Crocidosema plebejana), Platyedra subcinerea

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to disturbed areas and roadsides

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily at 15-20°C without pretreatment. Light may improve germination rates.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society