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Packera obovata - (Muhl. ex Willd.) W.A.Weber & Á.Löve

Common Name Roundleaf ragwort
Family Compositae
USDA hardiness 3-8
Known Hazards Like many species of ragwort, the plant is toxic to many herbivorous mammals, but sheep seem more tolerant than other grazing animals.
Habitats Moist but well-drained calcareous soils, wooded slopes, and rocky areas in shaded or semi-shaded locations.
Range Native range: northern Mexico, the eastern United States and southeastern Canada, extending from Coahuila to Quebec and Ontario.
Edibility Rating    (0 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Moist Soil Full shade Semi-shade Full sun
Packera obovata Roundleaf ragwort


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Packera obovata Roundleaf ragwort
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Summary

Note: Senecio obovatus Muhl. ex Willd. is a synonym of Packera obovata (Muhl. ex Willd.) W.A.Weber & Á.Löve


Physical Characteristics

 icon of manicon of flower
Packera obovata is an evergreen Perennial growing to 0.6 m (2ft) by 0.6 m (2ft in) at a fast rate.
It is hardy to zone (UK) 4. The flowers are pollinated by Bees, Insects.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very alkaline soils.
It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Senecio aureus var. obovatus (Muhl. ex Willd.) Torr. & A.Gray. Senecio elliottii Torr. & A.Gray. Senecio elongatus Pursh. Senecio obovatus Muhl. ex Willd. Senecio obovatus var. elliottii (Torr. & A.Gray) Fernald. Senecio obovatus f. obovatus. Senecio obovatus var. obovatus. Senecio obovatus var. rotundus Britton. Senecio rotundus (Britton) Small

Habitats

Edible Uses

None Known

References

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


None known

References

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An important new book from PFAF. It focuses on the attributes of plants suitable for food forests, what each can contribute to a food forest ecosystem, including carbon sequestration, and the kinds of foods they yield. The book suggests that community and small-scale food forests can provide a real alternative to intensive industrialised agriculture, and help to combat the many inter-related environmental crises that threaten the very future of life on Earth.

Read More

FOOD FOREST PLANTS

Other Uses

An effective, evergreen ground cover. Erosion control. Invertebrates shelter: beneficial for insects and other arthropods. Nectary: provides nectar or pollen for beneficial insects [1-2]. Valued for its ability to thrive in shady locations, naturalize rapidly and produce a long and profuse spring bloom of bright yellow flowers [368-1]. Suitable locations include wild gardens, cottage gardens, native plant gardens (US), borders, or along streams/ponds.

Special Uses

References

Cultivation details

Moist, well-drained soils in full sun to part shade. Blooms well in shady locations. Tolerates some soil dryness [368-1]. Bloom Notes: Blooms February to April in southerly regions, April to June in the north. Bloom Description: Yellow. Naturalize rapidly and produce a long and profuse spring bloom of bright yellow flowers [368-1]. Like many species of ragwort, the plant is toxic to many herbivorous mammals, but sheep seem more tolerant of it than are most other grazing animals. For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is a clumper with limited spread [1-2]. The root pattern is stoloniferous rooting from creeping stems above the ground [1-2].

References

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Propagation

Seed will germinate within 4 weeks if sown at 20°C/70°F. Seed requires light to germinate. Root division during winter dormancy.

Other Names

If available other names are mentioned here

Round-leaved ragwort, Golden Groundsel, Roundleaf Groundsel, Roundleaf Ragwort, Squawweed

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : Not Listed.

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Packera aureaGolden Groundsel - Life Root, Golden ragwortPerennial0.8 3-7  LMHSNMWe020

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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(Muhl. ex Willd.) W.A.Weber & Á.Löve

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