London Rocket
Sisymbrium irio
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Sisymbrium
- Species:
- Sisymbrium irio
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 3-4 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar, apr, may
- Bloom Colors:
- yellow
Native Range
United States: Arizona, California, Colorado, Connecticut, Florida, Hawaii, Massachusetts, Michigan, New Mexico, Nevada, New York, Ohio, Pennsylvania, South Carolina, Texas, Utah
Host Plant for Caterpillars
Checkered White (Pontia protodice)
Reported Fauna Sightings
Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus), Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Yellow bumble bee (Bombus fervidus), Yellow bumble bee (Bombus fervidus) Butterflies:Checkered White (Pontia protodice), Pearl Crescent (Phyciodes tharos), Pearl Crescent (Phyciodes tharos)
Soil Requirements
- Soil Type:
- well-drained, sandy or loamy soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- commonly found in disturbed areas and roadsides