Western tumble-mustard Plant Care
Descurainia adpressa Boelcke
Updated · Sources · How we source care data
Descurainia adpressa is easily recognized by its delicate, fern-like leaves and clusters of small yellow flowers. This drought-tolerant plant is native to arid regions of North America and is prized for its ability to attract pollinators such as bees and butterflies.
Every 7–10 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Western tumble-mustard?
Water Western tumble-mustard every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Western tumble-mustard?
Western tumble-mustard (Descurainia adpressa) belongs to the Brassicaceae family within the Descurainia genus. Western tumble-mustard is native to United States, Mexico. Western tumble-mustard is also known as flat-top tansymustard.
Western tumble-mustard displays an upright, branching herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Western tumble-mustard produces small clusters of yellow-green flowers.
Leaf size: approximately 1.5 inches.
How Often Should You Water a Western tumble-mustard?
Descurainia adpressa requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Western tumble-mustard Need?
Western tumble-mustard thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Western tumble-mustard Prefer?
Descurainia adpressa grows best at temperatures of 50–80°F. Western tumble-mustard prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Western tumble-mustard?
Well-draining sandy loam with added organic matter. Good drainage is essential for Western tumble-mustard to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Western tumble-mustard?
Feed Western tumble-mustard 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 Western tumble-mustard?
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 Western tumble-mustard?
Western tumble-mustard can be propagated through seeds. Similar propagation techniques also apply to descurainia bourgaeana plant care, which shares the same genus.
Is the Western tumble-mustard Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Western tumble-mustard, 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 Western tumble-mustard?
Western tumble-mustard 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 Western tumble-mustard Need?
Western tumble-mustard grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Western tumble-mustard is native to United States, Mexico. In cooler regions, grow Western tumble-mustard as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Western tumble-mustard 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 Descurainia genus — compare its care with other Descurainia species on PlantoScan.
Descurainia is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.
Western tumble-mustard 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: Descurainia adpressa Boelcke, family Brassicaceae (first published in Fl. San Juan 1: 226 (1994)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Western tumble-mustard, 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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