Photo: JulcataiCC BY-SA 3.0via Wikimedia Commonsresized / cropped
Wall hawkweed Plant Care
Crepis murorum S.G.Gmel.
Updated · Sources · How we source care data
Crepis tectorum, commonly referred to as 'the narrowleaf hawksbeard' or 'narrow-leaved hawk's-beard', is an annual or winter annual plant between 30 and 100 centimetres in height. Originating in Siberia before being introduced to Canada in 1890, the narrowleaf hawksbeard's is an invasive species. Maintaining one branched, hairless and leafy stem during maturity, the narrowleaf hawksbeard has yellow leaves which are arranged in an alternate manner and less than 0.5 inches (13 mm) wide.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Wall hawkweed?
Water Wall hawkweed 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 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Wall hawkweed?
Wall hawkweed (Crepis murorum) belongs to the Asteraceae family within the Crepis genus. Wall hawkweed is native to Siberia before being introduced to Canada in 1890, the narrowleaf hawksbeard is an invasive species. Wall hawkweed is also known as Crepis angustifolia, Crepis campestris, Crepis dioscoridis.
Wall hawkweed displays an upright, branching perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Wall hawkweed produces small daisy-like flowers in various colors.
Leaf size: approximately 3 inches.
How Often Should You Water a Wall hawkweed?
Crepis murorum 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 Wall hawkweed Need?
Wall hawkweed thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Wall hawkweed Prefer?
Crepis murorum grows best at temperatures of 50–75°F. Wall hawkweed prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Wall hawkweed?
Well-draining sandy loam with added organic matter. Good drainage is essential for Wall hawkweed to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Wall hawkweed?
Feed Wall hawkweed 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 Wall hawkweed?
Repot every 2-3 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 hawkweed?
Wall hawkweed can be propagated through seeds, division of root clumps. Similar propagation techniques also apply to tapertip hawksbeard plant care, which shares the same genus.
Is the Wall hawkweed Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Wall hawkweed, 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 hawkweed?
Wall hawkweed is susceptible to aphids, spider mites, whiteflies. 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 hawkweed Need?
Wall hawkweed grows outdoors in USDA Zone 2a – 8b. It survives winters down to planting zone 2a. Wall hawkweed is native to Siberia before being introduced to Canada in 1890, the narrowleaf hawksbeard is an invasive species.
Hardiness Zone
Zone 2a – 8b
Keep exploring plants
Wall hawkweed 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 Crepis genus — compare its care with other Crepis species on PlantoScan.
Crepis is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Wall hawkweed thrives in bright light and direct sun — see other bright-light plants.
More Crepis Species
Other Crepis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Crepis murorum S.G.Gmel., family Asteraceae (first published in Reise Russland 1: 138 (possibly 1770-1774)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Wall hawkweed, 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.
- Photo: Julcatai, CC BY-SA 3.0, Wikimedia Commons — original.
- Hardiness zone: USDA Zone 2a – 8b, 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.
Identify Plants Like the
Wall hawkweed Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species