Oneseed Hawthorn
Crataegus monogyna
- Native to:
- Albania, Algeria, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Corse, Cyprus, Czechia-Slovakia, Denmark, East Aegean Is., Finland, France, Germany, Great Britain, Greece, Hungary, Iraq, Ireland, Italy, Kriti, Krym, Lebanon-Syria, Libya, Morocco, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Palestine, Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Sinai, Spain, Sweden, Switzerland, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Ukraine
Didier Descouens
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Crataegus
- Species:
- Crataegus monogyna
- USDA Symbol:
- CRMO3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 1200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- white
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Ceanothus Silkmoth (Hyalophora euryalus), Cecropia moth (Hyalophora cecropia), Trachycera suavella
Reported Fauna Sightings
Moths:Stigmella oxyacanthella
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, small mammals
- Fall Color:
- red, orange
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers calcareous soils in native habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 90–120 days
- Germination Time:
- 30–180 days
- Notes:
- Seeds require cold stratification for 3-4 months; germination can be slow and erratic, sometimes taking up to 18 months.