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Aquilegia saximontana (Rocky Mountain columbine)

Beginner
skill rating
1 hour care
per year
0.1m
Max height
0.1m
Max spread
2-5 years
To maturity
Low
Toxicity

Plant details

Botanical name

Aquilegia saximontana

Other names

Rocky Mountain columbine, Alpine dwarf columbine, Alpine columbine, Dwarf blue columbine, Rocky Mountain blue columbine

Genus

Aquilegia Aquilegia

Species

A. saximontana - A. saximontana is a compact, mound-forming, deciduous perennial with leaves divided into two lobed, blue-green leaflets and, in late spring and early summer, short stems bearing nodding, lavender-blue flowers with white inner petals and hooked spurs.


Aquilegia saximontana is: Deciduous

Habit

Upright, Erect flower stem, Clump-forming

Toxicity

May cause stomach irritation if ingested.

Flower

Blue in Spring; Blue in Summer

Foliage

Blue-green in Spring

How to care

Watch out for

Specific pests

Leaf-mining sawflies , Aphids , Caterpillars Leaf-mining sawflies , Aphids , Caterpillars

Powdery mildew Powdery mildew

General care

Pruning

Deadhead after flowering. Cut down leaves in autumn, or earlier if affected by fungal diseases.

Propagation

Sowing from seed is the preferred propagation method. Aquilegia hybridises freely in the garden so plants grown from garden-collected seed may not come true to type. Divide and replant roots in spring. Resents disturbance so may take some time to recover

Propagation methods

Seed, Division


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Where to grow

Aquilegia saximontana (Rocky Mountain columbine) will reach a height of 0.1m and a spread of 0.1m after 2-5 years.

Suggested uses

Flower Arranging, Cottage/Informal, Bees (attract & feed bees), Beds and borders, Low Maintenance, Rock, Wildlife, Woodland

Cultivation

Grow in moist but well-drained soil in full sun or partial shade.

Soil type

Sandy, Loamy

Soil drainage

Moisture-retentive, Moist but well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, 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

Aquilegia saximontana

Other names

Rocky Mountain columbine, Alpine dwarf columbine, Alpine columbine, Dwarf blue columbine, Rocky Mountain blue columbine

Genus

Aquilegia Aquilegia

Species

A. saximontana - A. saximontana is a compact, mound-forming, deciduous perennial with leaves divided into two lobed, blue-green leaflets and, in late spring and early summer, short stems bearing nodding, lavender-blue flowers with white inner petals and hooked spurs.

Foliage

Deciduous

Habit

Upright, Erect flower stem, Clump-forming

Toxicity

May cause stomach irritation if ingested.


Colour

Flower

Blue in Spring; Blue in Summer

Foliage

Blue-green in Spring


How to care

Watch out for

Specific pests

Leaf-mining sawflies , Aphids , Caterpillars

Specific diseases

Powdery mildew

General care

Pruning

Deadhead after flowering. Cut down leaves in autumn, or earlier if affected by fungal diseases.

Propagation

Sowing from seed is the preferred propagation method. Aquilegia hybridises freely in the garden so plants grown from garden-collected seed may not come true to type. Divide and replant roots in spring. Resents disturbance so may take some time to recover

Propagation methods

Seed, Division


Monthly care advice


Where to grow

Aquilegia saximontana (Rocky Mountain columbine) will reach a height of 0.1m and a spread of 0.1m after 2-5 years.

Suggested uses

Flower Arranging, Cottage/Informal, Bees (attract & feed bees), Beds and borders, Low Maintenance, Rock, Wildlife, Woodland

Cultivation

Grow in moist but well-drained soil in full sun or partial shade.

Soil type

Sandy, Loamy

Soil drainage

Moisture-retentive, Moist but well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, 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 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4

Defra's Risk register #1

Plant name

Aquilegia saximontana (Rocky Mountain columbine)

Common pest name

; Aquilegia downy mildew

Scientific pest name

Aquilegia downy mildew

Type

Oomycete

Current status in UK

Present (Widespread)

Likelihood to spread in UK (1 is very low - 5 is very high)

5

Impact (1 is very low - 5 is very high)

4

General biosecurity comments

Established pest of a widely grown ornamental in the UK. Potential for economic and social impacts unless resistant varieties are developed. Statutory action unlikely to prevent further spread.

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/

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This plant likes... Garden match
Soil types: Sandy, Loamy Tell us...
Soil drainage: Moisture-retentive, Moist but well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

GARDENS WITH THIS PLANT

ALPINES IN MY GARDEN
ALPINES IN MY GARDEN
cleycoins@tiscali.co.uk

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