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Helianthemum oelandicum (Hoary rockrose )

Beginner
skill rating
1 hour care
per year
0.3m
Max height
0.5m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Helianthemum oelandicum

Other names

Hoary rockrose

Genus

Helianthemum Helianthemum

Species

H. oelandicum - H. oelandicum is a mat-forming, woody, evergreen perennial or subshrub with small, narrowly elliptic to lance-shaped, glossy, dark green leaves, white-hairy beneath and cymes of yellow flowers in late spring and early summer.


Helianthemum oelandicum is: Semi evergreen

Habit

Compact, Cushion or Mound Forming

Flower

Orange, Flushed red in Spring; Orange, Flushed red in Summer

Foliage

Grey-green in All seasons

How to care

Watch out for

Pests

Generally pest-free.

Diseases

Generally disease-free.

General care

Pruning

Cut back lightly after flowering to encourage a second bloom in late summer. Ensure it is pruned annually, to prevent it becoming leggy. It may not regenerate from old wood.

Propagation methods

Softwood cuttings


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Where to grow

Helianthemum oelandicum (Hoary rockrose ) will reach a height of 0.3m and a spread of 0.5m after 2-5 years.

Suggested uses

Banks and Slopes, City, Coastal, Cottage/Informal, Beds and borders, Gravel, Ground Cover, Containers, Rock

Cultivation

Grow in moderately fertile, neutral to alkaline, well-drained soil in full sun. Tolerates poor, sandy soil. Needs excellent drainage, especially in winter.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Helianthemum oelandicum

Other names

Hoary rockrose

Genus

Helianthemum Helianthemum

Species

H. oelandicum - H. oelandicum is a mat-forming, woody, evergreen perennial or subshrub with small, narrowly elliptic to lance-shaped, glossy, dark green leaves, white-hairy beneath and cymes of yellow flowers in late spring and early summer.

Native to

Europe, Mediterranean, Northern Africa

Foliage

Semi evergreen

Habit

Compact, Cushion or Mound Forming


Colour

Flower

Orange, Flushed red in Spring; Orange, Flushed red in Summer

Foliage

Grey-green in All seasons


How to care

Watch out for

Pests

Generally pest-free.

Diseases

Generally disease-free.

General care

Pruning

Cut back lightly after flowering to encourage a second bloom in late summer. Ensure it is pruned annually, to prevent it becoming leggy. It may not regenerate from old wood.

Propagation methods

Softwood cuttings


Monthly care advice


Where to grow

Helianthemum oelandicum (Hoary rockrose ) will reach a height of 0.3m and a spread of 0.5m after 2-5 years.

Suggested uses

Banks and Slopes, City, Coastal, Cottage/Informal, Beds and borders, Gravel, Ground Cover, Containers, Rock

Cultivation

Grow in moderately fertile, neutral to alkaline, well-drained soil in full sun. Tolerates poor, sandy soil. Needs excellent drainage, especially in winter.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 8, Zone 7, Zone 6

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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