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Summary

Physical Characteristics

Wyethia robusta is a PERENNIAL growing to 0.6 m (2ft). It is in flower from August to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Cultivated Beds;

Edible Uses

Edible Parts: Seed
Edible Uses:

Seed[61, 105, 161]. No more details are given.

References More on Edible Uses

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 More on Medicinal Uses

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Other Uses

None known

Special Uses

References More on Other Uses

Cultivation details

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors at least in the milder parts of the country. This species might be no more than a synonym for W. angustifolia[71]. The following notes are based on the general needs of the genus. Requires a free-draining, gritty but moisture-retentive soil in a sunny position[200]. Plants are intolerant of drought[200].

References Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - we have no information on this species but suggest sowing the seed in a greenhouse or cold frame in early spring. Use a very freely-draining compost, prick out the seedlings into individual pots as soon as they are large enough to handle and plant out into their permanent positions when they are large enough. Careful division of the crown as the plants come into growth in spring[200].

Other Names

If available other names are mentioned here

Native Range

Coming Soon

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 itâ€™s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Soil	Shade	Moisture	Edible	Medicinal	Other
Wyethia amplexicaulis	Mulesears Wyethia, Mule-ears	Perennial	0.8	4-8	LM	N	M	3	1
Wyethia angustifolia	California Compass Plant	Perennial	1.0	8-11	LM	N	M	2	1	1
Wyethia helianthoides	Sunflower Wyethia, Sunflower mule-ears	Perennial	0.0	0-0	LM	N	M	3	0
Wyethia longicaulis	Humboldt Mulesears	Perennial	0.5	-	LM	N	M	3	1
Wyethia mollis	Woolly Wyethia, Woolly mule-ears	Perennial	1.0	7-10	LM	N	M	4	1

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.

Wyethia robusta - Nutt.