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Dahlia 'Coltness Gem'


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Key information

Plant type

Tender perennial

Flower colour






Skill level


photo by S & O, copyright GAP Photos (29038)
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Plant details

Coltness Gem' is best grown as half hardy annual for a bright, summer display. It is classed as a dwarf bedding dahlia and produces single, yellow-eyed blooms in colours including pink, purple, red, white, yellow and many are zoned with a second colour. Sow seeds in early spring in a propagator, harden off the plants and plant them out when all danger of frost has passed.

Family: Asteraceae

Genus: Dahlia

Cultivar: Coltness Gem

Plant type: Tender perennial

Flower colour: Mixed

Foliage colour: Dark green

Feature: Flowers

Sun exposure: Full sun

Soil: Well-drained/light, Acidic, Chalky/alkaline, Moist, Sandy

Hardiness: Tender

Skill level: Experienced

Height: 45cm

Spread: 45cm

Time to plant seeds: March to April

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