Loesel's Rocket Plant Care
Sisymbrium loeselii L.
Updated · Sources · How we source care data
Sisymbrium loeselii is a species of flowering plant in the family Brassicaceae known by several common names, including small tumbleweed mustard, false London-rocket, and tall hedge mustard. It is native to Eurasia, and it is known on other continents as an introduced species and in some areas a common roadside weed.
Every 3–5 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Loesel's Rocket?
Water Loesel's Rocket every 3–5 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Loesel's Rocket?
Loesel's Rocket (Sisymbrium loeselii) belongs to the Brassicaceae family within the Sisymbrium genus. Loesel's Rocket is native to Eurasia, and. Loesel's Rocket is also known as Small Hedge Mustard.
Loesel's Rocket displays an upright, branching herb growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Loesel's Rocket produces small clusters of white or yellow flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Loesel's Rocket?
Sisymbrium loeselii requires watering every 3–5 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 3–5 days
Let soil partially dry between waterings
What Light Does the Loesel's Rocket Need?
Loesel's Rocket thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Loesel's Rocket Prefer?
Sisymbrium loeselii grows best at temperatures of 50–75°F. Loesel's Rocket prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Loesel's Rocket?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Loesel's Rocket to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Loesel's Rocket?
Feed Loesel's Rocket every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Loesel's Rocket?
Repot annually in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Loesel's Rocket?
Loesel's Rocket can be propagated through seeds. Similar propagation techniques also apply to tall rocket plant care, which shares the same genus.
Is the Loesel's Rocket Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Loesel's Rocket, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Loesel's Rocket?
Loesel's Rocket is susceptible to aphids, cabbage worms, flea beetles. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Loesel's Rocket Need?
Loesel's Rocket grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Loesel's Rocket is native to Eurasia, and. In cooler regions, grow Loesel's Rocket as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Loesel's Rocket is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Sisymbrium genus — compare its care with other Sisymbrium species on PlantoScan.
Sisymbrium is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.
Loesel's Rocket thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Sisymbrium loeselii L., family Brassicaceae (first published in Cent. Pl. I : 18 (1755)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Loesel's Rocket, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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