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Collomia grandiflora (Grand collomia)

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Skill rating Beginner
skill rating
Ultimate spread 0.45m
max. spread
Ultimate height 0.45m
max. height
Time to maturity 1-2 years
to maturity
Maintenance level 1 hour care
per year

Botanical name: Collomia grandiflora

Other names: Grand collomia, Mountain collomia, Mountain bouvardia, Large-flowered collomia, Large flower mountain trumpet


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Genus: Collomia

Species: C. grandiflora - C. grandiflora is an upright, variable, hairy annual with lance-shaped, dark green leaves and clusters of tubular, lobed, pale orange flowers in summer.

Collomia grandiflora is: Deciduous

Flower: Pale-orange in Summer

Foliage: Dark-green in Summer

Habit: Upright

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General care

Propagation methods: Seed. REGISTER to read more...


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Collomia grandiflora (Grand collomia) will reach a height of 0.45m and a spread of 0.45m after 1-2 years.


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Suggested uses: Beds and borders, Containers, Cottage/Informal

Cultivation: Grow in fertile, moist but well-drained to free-draining soil in full sun.

Suitable for your garden?
In progress indicator
This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Match unknown
Soil drainage: Moist but well-drained, Well-drained Match unknown
Soil pH: Acid, Alkaline, Neutral Match unknown
Light: Full Sun Match unknown
Aspect: South, West Match unknown
Exposure: Sheltered Match unknown
Hardiness: Hardy (H4) Match unknown

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We list 1 supplier who tell us they sell Collomia grandiflora (Grand collomia). In order to see the list you'll need to either register or log in as a full member.


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