Dahlia Verrone's Obsidian (Honka Black)
Best dramatic bloom for sophisticated garden designs.
Dahlia 'Honka Black' is a spectacle in itself. Its distinct flower form and dark hue contrast beautifully with its bright yellow centers, making it a garden favorite. This single dahlia variety blooms from July to September, reaching a height of 25 to 35 inches. Learn how to grow Dahlias with our comprehensive guide. The tubers are planted in spring and thrive in full sun, originating from Holland. They are not fragrant and are not deer resistant. The planting depth is 4-6 inches, with a spacing of 18 inches. Hardy in zones 9-10, and suitable for zones 3-10.
$14.24
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Owner Satisfaction
4.7
/ 5
Category Rank
16
/ 3183
#16 in Plant & Flower Bulbs
Price vs Category Average
-40%
Below average
Deer Resistant
No
/ No
Who it's for
- Gardeners seeking dramatic visual impact and unique color palettes.
- Home gardeners and florists desiring adaptable plants for various displays.
- Enthusiasts prioritizing dependable performance and high-quality plant material.
Who should skip it
- Novice gardeners in shaded areas or those with limited sunny spots.
- Busy gardeners or those in cold regions preferring low-maintenance perennial options.
- Gardeners preferring bright, traditional, or pastel flower colors.
Performance breakdown
Visual Impact
The dramatic dark petals and yellow centers create a stunning focal point.
Bloom Duration
Consistent flowering from mid-summer through fall provides long-lasting garden color.
Growth Versatility
Wide zone adaptability makes this variety accessible for most home gardeners.
Maintenance Ease
Requires careful spring planting and lacks natural deer resistance for protection.
Structural Presence
Ideal height for mid-border placement without needing excessive staking or support.
Scent Profile
Lacks fragrance, focusing entirely on bold aesthetics rather than aromatic appeal.
Key Specs
Deer Resistant
No
Density
18 inches
Flowering Height
25-35 inches
Flowering Time
Summer through Fall
Fragrant
No
Naturalizing
No
Origin
Holland
Planting Depth
4-6 inches
Features
- Striking dark hue with bright yellow centers
- Distinct single flower form
- Blooms summer through fall
- Grows 25-35 inches tall
- Suitable for full sun
- Hardy in zones 9-10
- Originates from Holland
What customers say
Customers consistently praise the exceptional quality and striking beauty of this dahlia. Many reviewers highlight the robust health of the tubers upon arrival, leading to vigorous growth and abundant, true to color blooms. The deep, almost black petals create a dramatic and sophisticated focal point in any garden, exceeding expectations for visual impact. Gardeners appreciate its reliable performance and the unique aesthetic it brings, making it a highly recommended choice for those seeking a distinctive and high quality floral display.
Know before you buy
These tubers should be planted in the spring once the soil has warmed up and the danger of frost has passed.
Dahlia 'Honka Black' thrives in full sun. For the best results, ensure your planting site receives at least six to eight hours of direct sunlight daily.
No, this variety is not deer resistant. If you live in an area with high deer activity, you may need to use protective fencing or deterrents to keep them safe.
While they are hardy in zones 9-10, they are suitable for zones 3-10. In colder regions, you will need to dig up the tubers in the fall after the first frost and store them in a cool, dry place over the winter to replant the following spring.
To ensure proper airflow and healthy growth, space your tubers 18 inches apart.
No, the 'Honka Black' variety is not fragrant. It is primarily grown for its striking visual contrast between the dark petals and bright yellow centers.
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