Wild Radish
Raphanus raphanistrum
- Native to:
- Afghanistan, Albania, Algeria, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Canary Is., Corse, Cyprus, Czechia-Slovakia, Denmark, East Aegean Is., Egypt, Finland, France, Germany, Greece, Hungary, Iran, Iraq, Ireland, Italy, Kazakhstan, Kirgizstan, Krym, Labrador, Lebanon-Syria, Libya, Madeira, Morocco, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Palestine, Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Ukraine, Uzbekistan
Didier Descouens
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Raphanus
- Species:
- Raphanus raphanistrum
- USDA Symbol:
- RARA2
Growth Characteristics
- Life Cycle:
- Annual | Biennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun,jul,aug,sep,oct
- Bloom Colors:
- white, yellow, purple, lavender
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Reported Fauna Sightings
Bees: Bombus californicus, Pyrobombus Dalla, ⚠️Western honey bee (Apis mellifera), Yellow bumble bee (Bombus fervidus), Yellow-faced bumble bee (Bombus vosnesenskii) Hummingbirds: Allen's Hummingbird (Selasphorus sasin), Anna's Hummingbird (Calypte anna) Butterflies:Anise Swallowtail (Papilio zelicaon), Cloudless Sulphur (Phoebis sennae), Fiery Skipper (Hylephila phyleus), Great Southern White (Ascia monuste), Large Marble (Euchloe ausonides), Lon melane, ⚠️Monarch butterfly (Danaus plexippus), Painted Lady (Vanessa cardui), Sandhill Skipper (Polites sabuleti), Small White (Pieris rapae), Western Tiger Swallowtail (Papilio rutulus)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
Soil Requirements
- Soil Type:
- well-drained, sandy or loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to disturbed areas, often found in fields and roadsides
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 4–14 days
- Notes:
- Seeds germinate readily without pretreatment. Light may improve germination rates.
The above propagation data sourced from Claude AI