Thymeleaf Sandwort

Arenaria serpyllifolia

Native to:
Afghanistan, Albania, Algeria, Austria, Baltic States, Belarus, Belgium, Bulgaria, China, Corse, Czechia-Slovakia, Denmark, Djibouti, East Aegean Is., Egypt, Ethiopia, Finland, France, Germany, Greece, Gulf States, Hungary, India, Iran, Iraq, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Kriti, Krym, Lebanon-Syria, Libya, Morocco, Nansei-shoto, Nepal, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Philippines, Poland, Portugal, Romania, Russia, Sardegna, Saudi Arabia, Sicilia, Spain, Sudan-South Sudan, Sweden, Switzerland, Tadzhikistan, Taiwan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, Uzbekistan

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Caryophyllaceae
Genus:
Arenaria
Species:
Arenaria serpyllifolia
USDA Symbol:
ARSE2

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
25 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun,jul,aug
Bloom Colors:
white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Deer Resistant:
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:
thrives in disturbed, open areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily in spring or fall without pretreatment; light may enhance germination.

The above propagation data sourced from Claude AI

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

Source: Ontario Rock Garden & Hardy Plant Society