Dahlia 'Honka Black'
Dahlia 'Honka Black'
Dahlia 'Honka Black'
Dahlia 'Honka Black'
Dahlia 'Honka Black'
Dahlia 'Honka Black'

Dahlia 'Honka Black'

syn. Dahlia 'Verrone's Obsidian'

Dahlia 'Honka Black'

1 tuber — £4.45

Spring planting season is currently closed 

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Delivery schedule

Orders placed before 1 March 2023
You can expect your order in March 2023

Orders placed 1 March - 15 April 2023
You can expect your order in April 2023

Orders placed 16 April - 15 May 2023
You can expect your order within 10 business days

Available for (pre)ordering again in December

Free delivery on UK orders over £50

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Shipping to the UK

UK orders over £50
Free shipping

UK orders under £50
£4.99

Northern Ireland orders under £50
£6.99

More info

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Carbon neutral delivery

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— Ship carbon neutral;
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— Invest in soil carbon storage.

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Description

If you’re a lover of all that is unusual, Dahlia 'Honka Black', (also known as Dahlia 'Verrone’s Obsidian') are going to be on your wish list. Are they black? Well, not quite, but they’re such a deep red that they’re almost black! But Dahlia 'Honka Black's charm extends beyond the colour of its petals. The unusual flower form is a definite attraction. It’s as if your garden were suddenly adorned with a constellation of black stars with brightly contrasting yellow centres.

With a maximum height of only 60-70 cm, Dahlia 'Honka Black' is easy to find space for in almost any sunny garden, and it lends itself well to being grown in containers too. Contrast it with white flowering plants or let your black dahlias have a bed all to themselves.

Gracy's gardening tip:
"Remember – it’s easy to save your dahlia tubers for replanting next year, and the year after, and the year after that."

Key features

  • Good for cutting

  • Comes back every year

  • Attractive to wildlife

  • Loved by pollinators

  • Thrives well in full sun

  • Packed in paper bags

  • Low maintenance

  • RHS Award (AGM)

  • May need winter cover

Specs & details

  • Botanical name

    Dahlia 'Honka Black'

  • Flower colour

    Near-black

  • Leaf colour

    Green

  • Tuber size

    1

  • Established height

    70cm-1m

  • Established spread

    30-50cm

  • Plant spacing

    5 tubers per m2

  • Habit

    Upright

  • Life cycle

    Perennial

  • Hardiness

    Half hardy

  • Years to establish

    1st year

  • Sunlight

    Full sun
    Partial shade

  • Position

    Sheltered

  • Suitable for

    Large containers
    Borders
    Gravel gardens
    Coastal gardens
    Cottage gardens
    Low maintenance gardens
    Cut flower Gardens
    Wildlife gardens

  • Soil acidity

    Any

  • Soil moisture

    Free draining

  • Soil type

    Loam
    Sandy
    Multipurpose compost
    Loam-based compost

  • RHS Award (AGM)

    Yes

  • Growing skill

    Easy to grow

  • Scented

    No

  • Pollinator-friendly

    Yes

  • Mouse resistant

    No

  • Rabbit resistant

    No

  • Deer resistant

    No

  • Toxicity

    No report

Plant calendar

JanFebMarAprMayJuneJulyAugSepOctNovDec
  • Planting
  • Flowering

Other information

  • Orders placed before 1 March 2023
    You can expect your order in March 2023

    Orders placed 1 March - 15 April 2023
    You can expect your order in April 2023

    Orders placed 16 April - 15 May 2023
    You can expect your order within 10 business days

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