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Ranunculus_californicus - Benth.

Common Name California Buttercup
Family Ranunculaceae
USDA hardiness 6-9
Known Hazards Although no specific record of toxicity has been found for this plant, many if not all members of this genus are poisonous. These toxins can be destroyed by heat or by drying[4, 10, 13, 19, 62, 65]. Many if not all plants in this genus also have a strongly acrid juice that can cause blistering to the skin[65, 183].
Habitats Grassy bluffs by the coast[60]. Grassland and open woodland from sea level to 2000 metres[270].
Range South-western N. America - Oregon to S. California..
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Moist Soil Semi-shade Full sun
Ranunculus_californicus California Buttercup


http://commons.wikimedia.org/wiki/User:Calibas
Ranunculus_californicus California Buttercup
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Summary


Physical Characteristics

 icon of manicon of flower
Ranunculus_californicus is a PERENNIAL growing to 0.6 m (2ft).
See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from May to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil. The plant can tolerates strong winds but not maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Edible Uses

Seed - cooked[257]. It is usually ground into a powder and can then be used as a mush with water, a flavouring in soups, or mixed with cereals when making bread etc[105, 161, 257].

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

Prefers a moist loamy soil[1]. A greedy plant, inhibiting the growth of nearby plants, especially legumes[54].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

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Plant Propagation

Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring. Larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.

Other Names

If available other names are mentioned here

Native Range

NORTHERN AMERICA: United States (Oregon (west), California), Mexico (Baja California (Norte))

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
Ranunculus californicusCalifornia ButtercupPerennial0.6 6-9  LMHSNM10 

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.

 

Expert comment

Author

Benth.

Botanical References

60200270

Links / References

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

Readers comment

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