Tree Mallow

Malva arborea

Native to:
Albania, Algeria, Baleares, Corse, East Aegean Is., France, Greece, Ireland, Italy, Kriti, Lebanon-Syria, Libya, NW. Balkan Pen., Palestine, Portugal, Sardegna, Sicilia, Spain, Tunisia, Türkiye

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Malvaceae
Genus:
Malva
Species:
Malva arborea
USDA Symbol:
LAAR2

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Subshrub
Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun,jul,aug,sep
Bloom Colors:
pink, purple, magenta
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

cotton tipworm (Crocidosema plebejana), Platyedra subcinerea

Reported Fauna Sightings

Hummingbirds: Rufous Hummingbird (Selasphorus rufus)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal areas, tolerates saline conditions

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–28 days
Notes:
Scarification or soaking in warm water improves germination. Seeds germinate readily in warm conditions.

The above propagation data sourced from Claude AI

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

Source: Ontario Rock Garden & Hardy Plant Society