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Dahlia coccinea 'Gardenetta Trio'

Half-hardy Perennial

What is Half-Hardy Perennial?
A plant that lives for more than two years. Can be grown outdoors
but requires winter protection from frosts and temperatures below 0C.

FROM £12.99

Sultry dark leaves

Stunning colour combinations

Excellent patio pot displays

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Height Up to 55cm (22in)
Spread Up to 55cm (22in)

Half-hardy Perennial

patiocottage gardensexotic gardencut flower garden

full sun

JAN
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Flowering Months Potting On Months Planting Out Months

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Description

Add instant drama to your outdoor space with Dahlia coccinea ‘Gardenetta Trio’, a striking series celebrated for its luxurious double blooms set against deep, nearly black foliage. Each vibrant flower spans an impressive 8–10 cm, creating bold colour impact from summer through autumn.

Naturally robust and beautifully compact, these well-branched dahlias thrive in both patio containers and garden borders. Their excellent mildew resistance and tidy, upright growth habit make them an ideal choice for contemporary planting schemes where reliability and style are equally essential. A standout dahlia series —perfect for elevating any patio display. Ultimate height and spread: 35cm (14in) to 55cm (22in).

Dahlia coccinea ‘Gardenetta Trio’ contains the following varieties:

  • Dahlia ‘Gardenetta Bright Yellow’
  • Dahlia ‘Gardenetta Orange’
  • Dahlia ‘Gardenetta Lilac’

Show Codes

3 Jumbo Plug Plants (1 of each variety) (KJ1234)

9 Jumbo Plug Plants (3 of each variety) (KJ1236)

6 Jumbo Plug Plants (2 of each variety) (KJ1235)

How to Grow
Pot up plug plants and allow to grow on. Plant Dahlias outdoors after all risk of frost has passed. Choose a sunny position in moist well drained soil.

For more information and guidance check out our Gardening Guides.

More Info
Feed and water dahlias regularly throughout the growing season. While dahlia plants are still young, pinch out the growing tip of each stem to encourage bushier growth and masses of flowers. Deadhead faded dahlia flowers to encourage more blooms to be produced. Bedding dahlia are generally grown as annuals, however dahlia tubers may be lifted in autumn and stored over winter in trays of peat or sand, in a cool but frost free position if required. They can be potted up the following spring.
Delivery

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large Non-standard items may incur a higher, lorry delivery charge. Charges will be calculated at checkout, but an example of the lorry charges are listed below.

  • Red - £9.99.
  • Purple - £2.99.

For more information please visit our delivery charges information page by clicking here.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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Dahlia coccinea 'Gardenetta Trio'

Dahlia coccinea 'Gardenetta Trio'

From£12.99

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