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Grindelia robusta - Nutt.

Common Name Great Valley Gumweed
Family Asteraceae or Compositae
USDA hardiness 6-9
Known Hazards None known
Habitats By the coast[21] in sunny well-drained situations[200]. Thrives in dry areas and salty plains[7].
Range South-western N. America.
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Full sun
Grindelia robusta Great Valley Gumweed


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Grindelia robusta Great Valley Gumweed
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Summary


Physical Characteristics

 icon of manicon of flower
Grindelia robusta is a PERENNIAL growing to 0.6 m (2ft).
It is hardy to zone (UK) 7. It is in flower from May to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in saline soils.
It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

 Cultivated Beds;

Edible Uses

Edible Parts: Leaves
Edible Uses:

Leaves - raw[257].

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.
Antispasmodic  Blood purifier  Demulcent  Expectorant  Parasiticide  Sedative  Stomachic

The leaves and flowering tops are antiphlogistic, antispasmodic, balsamic, demulcent, expectorant, sedative, stomachic and a vascular tonic[4, 7, 21, 46, 61, 207, 213]. Blood purifier[4]. The plant is applied externally as a compress on inflamed or irritated areas of the skin[7, 257]. Used internally, it slows down the heartbeat and reduces the stimulation of the nerve endings in the air passages that causes coughing - it is therefore extremely effective as a calming agent in the treatment of asthma[7]. The fluid extract is prepared by placing the freshly gathered leaves and flowers in a small quantity of simmering water for about 15 minutes[213]. The plant is used to treat people affected by poison-ivy[213].

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

Dye  Hair  Parasiticide

Yellow and green dyes are obtained from the flowering heads and pods[168]. Aromatic. A decoction of the roots has been used as a hair shampoo to kill lice[257].

Special Uses

References

Cultivation details

Succeeds in any well-drained soil in full sun[200]. Does well on dry sandy banks and in poor soils[200]. Plants tend to concentrate selenium in the leaves and stems, this is especially noticeable on soils that are relatively rich in that element[21]. Some authorities class this species as a synonym of G. camporum.

References

Temperature Converter

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Propagation

Seed - sow autumn or spring in a cool greenhouse and only just cover the seed. Prick out the plants into individual pots when they are large enough to handle and plant them out into their permanent positions in early summer.

Other Names

If available other names are mentioned here

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.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Grindelia camporumGumplant, Great Valley gumweed, Bract gumweedAnnual/Perennial1.2 7-10  LMNDM03 
Grindelia hirsutulaGumweed, Gum PlantPerennial1.0 8-11 FLMNDM033
Grindelia humilisHairy GumweedPerennial1.5 7-10  LMNDM02 
Grindelia lanceolataRosin Weed, Narrowleaf gumweed, Texan gumweedBiennial/Perennial1.5 4-8  LMNDM13 
Grindelia squarrosaRosin Weed, Curlycup gumweedBiennial/Perennial1.0 3-7  LMNDM230

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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Expert comment

Author

Nutt.

Botanical References

200

Links / References

For a list of references used on this page please go here

Readers comment

   Mon Feb 6 2006

you guys are very discripted but need to have more websites of this plant.

mostafa younis   Sat Apr 29 2006

there is no side effects

clive woods   Mon May 7 2007

I would like to try a decoction of this plant to reduce lung inflammation is it available in the uk

Kevin   Tue Jun 30 2009

Thanks for the info. I found this site useful as I was researching Grindelia Robusta as an active ingredient in a commercial poison ivy scrub.

Racedaynutrition.com Poison Ivy remedy review

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