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Dahlia ‘Trelyn Rhiannon’


Sold out for 2021. Orders for 2022 from September

Suitable for:

  • Borders
  • Gardens
  • Beds
  • Cut Flowers
  • Patio Pots

Sold as plants only.

Dahlia plants can only be supplied in multiples of 3.
3 separate varieties can be chosen.

Out of stock


Trelyn Rhiannon is a Small Cactus Dahlia. Its petals have a yellow base that shades through to red at about half their length through to the tips. It is an attractive plant which adds colour to the garden.

Additional information


H3: Half-hardy – mild winter

Planting Period

May to June

Soil Type

Well-drained, Humus-rich


Full sun

Planting Depth (cm)


Planting Spacing (cm)


Flowering Period

From June until the first Frost

Height (cm)


Flower Size (cm)

10 – 15

Flower Colour

Yellow and Red

Foliage Colour


Delivery Dates

From April until June


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