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Ranunculus cortusifolius (Azores buttercup)
1 hour care
per year
per year
1.2m
Max height
Max height
0.9m
Max spread
Max spread
5-10 years
To maturity
To maturity
Plant details
Botanical name
Ranunculus cortusifolius
Other names
Azores buttercup, Giant buttercup, Canary buttercup
Genus
Ranunculus Ranunculus
Species
R. cortusifolius - R. cortusifolius is a tender, clump-forming, deciduous perennial with rounded, lobed or toothed, bright to mid-green leaves and upright, branching stems bearing large, bright yellow flowers throughout spring.
Ranunculus cortusifolius is: Deciduous
Habit
Clump-forming, Upright
Flower
Yellow in Spring
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Powdery mildew Powdery mildew
General care
Pruning
Deadhead to prolong flowering.
Propagation methods
Division
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Where to grow
Ranunculus cortusifolius (Azores buttercup) will reach a height of 1.2m and a spread of 0.9m after 5-10 years.
Suggested uses
Cottage/Informal, Flower Arranging, Ground Cover, Low Maintenance, Woodland
Cultivation
Grow in fertile, moist but well-drained soil in bright shade. Tolerates morning sun.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Ranunculus cortusifolius
Other names
Azores buttercup, Giant buttercup, Canary buttercup
Genus
Ranunculus Ranunculus
Species
R. cortusifolius - R. cortusifolius is a tender, clump-forming, deciduous perennial with rounded, lobed or toothed, bright to mid-green leaves and upright, branching stems bearing large, bright yellow flowers throughout spring.
Foliage
Deciduous
Habit
Clump-forming, Upright
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Colour
Flower
Yellow in Spring
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Specific diseases
General care
Pruning
Deadhead to prolong flowering.
Propagation methods
Division
Monthly care advice
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Where to grow
Ranunculus cortusifolius (Azores buttercup) will reach a height of 1.2m and a spread of 0.9m after 5-10 years.
Suggested uses
Cottage/Informal, Flower Arranging, Ground Cover, Low Maintenance, Woodland
Cultivation
Grow in fertile, moist but well-drained soil in bright shade. Tolerates morning sun.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
USDA zones
Zone 10, Zone 9
Defra's Risk register #1
Plant name
Ranunculus cortusifolius (Azores buttercup)
Common pest name
Scientific pest name
Hyalesthes obsoletus
Type
Insect
Current status in UK
Absent
Likelihood to spread to UK (1 is very low - 5 is very high)
3
Impact (1 is very low - 5 is very high)
4
General biosecurity comments
Planthopper which can vector the pathogen causing Potato stolbur disease. Present elsewhere in Europe and increasing its range due to a new a nettle-preferring race. Main breeding hosts are not traded as planting material; but some minor hosts (e.g. Lavender) are.
About this section
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Clay, Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Tender in frost (H3) | Tell us... |
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