Wall rocket Plant Care
Diplotaxis siettiana Maire
Updated · Sources · How we source care data
Diplotaxis siettiana is a striking plant known for its unique and eye-catching variegated leaves. Originating from the Mediterranean region, this plant is popular among enthusiasts for its attractive foliage and easy-care nature.
Every 7–14 days
Full sun to partial shade
60–75°F
50–70%
At a glance
How do you care for Wall rocket?
Water Wall rocket every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 2 months during the growing season.
Where Is the Wall rocket Native To?
What Is the Wall rocket?
Wall rocket (Diplotaxis siettiana) belongs to the Brassicaceae family within the Diplotaxis genus. Wall rocket is native to Alborán Island in the western Mediterranean Sea.
Wall rocket displays a low rosette, spreading growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Wall rocket produces small yellow flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Wall rocket?
Diplotaxis siettiana requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Wall rocket Need?
Wall rocket thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Wall rocket Prefer?
Diplotaxis siettiana grows best at temperatures of 60–75°F. Wall rocket prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a Wall rocket?
Well-draining sandy loam with added organic matter. Good drainage is essential for Wall rocket to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Wall rocket?
Feed Wall rocket every 2 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 2 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 Wall rocket?
Repot every 1-2 years 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 Wall rocket?
Wall rocket can be propagated through seeds. Similar propagation techniques also apply to wall rocket plant care, which shares the same genus.
Is the Wall rocket Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Wall 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 Wall rocket?
Wall 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 Wall rocket Need?
Wall rocket grows outdoors in USDA Zone 10b – 11b. It survives winters down to planting zone 10b. Wall rocket is native to Alborán Island in the western Mediterranean Sea. In cooler regions, grow Wall rocket as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 11b
Keep exploring plants
Wall 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 Diplotaxis genus — compare its care with other Diplotaxis species on PlantoScan.
Diplotaxis is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.
Wall rocket thrives in bright light and direct sun — see other bright-light plants.
More Diplotaxis Species
Other Diplotaxis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Diplotaxis siettiana Maire, family Brassicaceae (first published in Bull. Soc. Hist. Nat. Afrique N. 24: 29 (1933)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Wall 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 10b – 11b, estimated from the plant's typical growing conditions.
- 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.
