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Achillea ptarmica 'Double Diamond' (Sneezewort 'Double Diamond')

Beginner
skill rating
1 hour care
per year
0.8m
Max height
0.6m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Achillea ptarmica 'Double Diamond'

Other names

Sneezewort 'Double Diamond'

Genus

Achillea Achillea

Variety or Cultivar

'Double Diamond' _ 'Double Diamond' is a mound-forming, herbaceous perennial with linear to narrowly lance-shaped, dark green leaves and loose clusters of double, white flowers throughout summer.


Achillea ptarmica 'Double Diamond' is: Deciduous

Habit

Cushion or Mound Forming

Flower

White in Summer

Foliage

Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn

How to care

Watch out for

Specific pests

Aphids Aphids

Powdery mildew Powdery mildew

General care

Pruning

Cut back in spring. Deadhead regularly.

Propagation methods

Division


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Where to grow

Achillea ptarmica 'Double Diamond' (Sneezewort 'Double Diamond') will reach a height of 0.8m and a spread of 0.6m after 2-5 years.

Suggested uses

Low Maintenance, Cottage/Informal, Drying, Flower Arranging, Beds and borders, Prairie planting, Rock, Wildflower, Wildlife

Cultivation

Grow in moist or moist but well-drained soil in full sun or partial shade. Avoid waterlogged conditions. Requires more moisture than other Achillea species.

Soil type

Chalky, Loamy, Sandy

Soil drainage

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

Achillea ptarmica 'Double Diamond'

Other names

Sneezewort 'Double Diamond'

Genus

Achillea Achillea

Variety or Cultivar

'Double Diamond' _ 'Double Diamond' is a mound-forming, herbaceous perennial with linear to narrowly lance-shaped, dark green leaves and loose clusters of double, white flowers throughout summer.

Native to

Garden origin

Foliage

Deciduous

Habit

Cushion or Mound Forming


Colour

Flower

White in Summer

Foliage

Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn


How to care

Watch out for

Specific pests

Aphids

Specific diseases

Powdery mildew

General care

Pruning

Cut back in spring. Deadhead regularly.

Propagation methods

Division


Monthly care advice


Where to grow

Achillea ptarmica 'Double Diamond' (Sneezewort 'Double Diamond') will reach a height of 0.8m and a spread of 0.6m after 2-5 years.

Suggested uses

Low Maintenance, Cottage/Informal, Drying, Flower Arranging, Beds and borders, Prairie planting, Rock, Wildflower, Wildlife

Cultivation

Grow in moist or moist but well-drained soil in full sun or partial shade. Avoid waterlogged conditions. Requires more moisture than other Achillea species.

Soil type

Chalky, Loamy, Sandy

Soil drainage

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, Zone 3

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Double Diamond July 2018

Ist year in early July

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: 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...

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