Sowing time for Black Forest™ Ruby dahlia depends on the confirmed packet information, the last frost date, and your region. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
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Non-organic seeds, Treated seeds, open-pollinated variety, coated seeds
Asteraceae
Ornamental flowers seeds
Black Forest™ Ruby dahlia (Dahlia pinnata)
Dahlia pinnata
Black Forest™ Ruby dahlia has confirmed characteristics that help you plan its placement and cultivation. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Black Forest™ Ruby Dahlia Black Forest™ Ruby has captivating black foliage, a robust knee-high stature and prolific flowering.
Quantity
Approximately 50 bare seeds per packet
Exposure
Full sun
Difficulty level
Easy
Discover the plant
Family
Asteraceae
Genus
Dahlia
Species
pinnata
Cultivar
Black Forest™ Ruby
Type
Non-organic seeds, Treated seeds, open-pollinated variety, coated seeds
Cycle
Perennial
Black Forest™ Ruby dahlia (Dahlia pinnata) Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Black Forest™ Ruby Dahlia Black Forest™ Ruby has captivating black foliage, a robust knee-high stature and prolific flowering. Its bright red flowers stand out beautifully against the dark backdrop, making it perfect for gardens and container arrangements.
The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. With a range of semi-double to double flowers, it adds diversity and irresistible charm to any landscape. It is best to adapt care to your garden’s microclimate instead of following a fixed watering schedule in every situation. A suitable mulch can help stabilize moisture, reduce soil splash, and limit competition from weeds around established plants. Growth is worth checking after major changes in temperature, light exposure, rainfall, or watering frequency.
Measured care based on the plant’s condition generally supports better balance than unnecessary routine treatments. For containers, drainage and soil volume directly influence moisture stability around the roots and the frequency of watering. In the garden, an accessible position makes observation, occasional watering, harvesting, and timely maintenance easier. It is recommended to remove only damaged material while retaining healthy foliage needed for continued growth. Results may vary with weather, sowing date, soil quality, and the number of hours of useful light each day. This approach helps gardeners enjoy the variety’s confirmed qualities without adding more maintenance than the plant requires.
Planting guide
From planting to establishment.
Planting depth
Cover lightly with vermiculite
Spacing / density
Space at least 25 × 25 cm apart; allow more room where plants reach a 50 cm spread
Establishment temperature
20 to 23°C according to W.H. Perron; approximately 20°C according to Fleuroselect
Establishment time
5 to 12 days according to W.H. Perron; approximately 7 to 10 days in commercial dahlia guides
Best planting time
Plant outdoors after the last frost, once soil has warmed and plants are hardened
Propagation
Seed
Growing method
For best results with Black Forest™ Ruby dahlia, follow the confirmed sowing information and observe growth at each stage. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Black Forest™ Ruby Dahlia Black Forest™ Ruby has captivating black foliage, a robust knee-high stature and prolific flowering. Its bright red flowers stand out beautifully against the dark backdrop, making it perfect for gardens and container arrangements. With a range of semi-double to double flowers, it adds diversity and irresistible charm to any landscape. In the garden, an accessible position makes observation, occasional watering, harvesting, and timely maintenance easier. It is recommended to remove only damaged material while retaining healthy foliage needed for continued growth. Results may vary with weather, sowing date, soil quality, and the number of hours of useful light each day.
Soil and care
The right conditions.
Exposure
Full sun
Soil pH
Light, dry to moderately moist, well-drained soil
Minimum temperature
Frost tender during annual production
Watering
For Black Forest™ Ruby dahlia, check soil moisture before watering and adjust frequency to weather and observed growth. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds.
Soil type
This variety prefers soil or growing medium that follows the drainage and texture information published for Black Forest™ Ruby dahlia. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds.
Fertilization
Fertilization for Black Forest™ Ruby dahlia can remain moderate and be adjusted to soil fertility and observed vigour. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds.
Seasonal care
Seasonal care for Black Forest™ Ruby dahlia relies on regular observation, measured intervention, and respect for its growth cycle. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Black Forest™ Ruby Dahlia Black Forest™ Ruby has captivating black foliage, a robust knee-high stature and prolific flowering. Its bright red flowers stand out beautifully against the dark backdrop, making it perfect for gardens and container arrangements. With a range of semi-double to double flowers, it adds diversity and irresistible charm to any landscape. In the garden, an accessible position makes observation, occasional watering, harvesting, and timely maintenance easier. It is recommended to remove only damaged material while retaining healthy foliage needed for continued growth. Results may vary with weather, sowing date, soil quality, and the number of hours of useful light each day. This approach helps gardeners enjoy the variety’s confirmed qualities without adding more maintenance than the plant requires.
Container growing
A controlled environment.
Recommended pot size
Container at least 30 cm wide with drainage
Black Forest™ Ruby dahlia can be considered for a container when volume, drainage, and light match the expected growth. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Black Forest™ Ruby Dahlia Black Forest™ Ruby has captivating black foliage, a robust knee-high stature and prolific flowering. Its bright red flowers stand out beautifully against the dark backdrop, making it perfect for gardens and container arrangements. With a range of semi-double to double flowers, it adds diversity and irresistible charm to any landscape. In the garden, an accessible position makes observation, occasional watering, harvesting, and timely maintenance easier. It is recommended to remove only damaged material while retaining healthy foliage needed for continued growth. Results may vary with weather, sowing date, soil quality, and the number of hours of useful light each day.
Bloom and dimensions
The complete profile.
Flower color
Ruby red to scarlet against nearly black foliage
Foliage color
Green
Foliage type
Green foliage
Growth rate
Moderate
Bloom period
Black Forest Ruby combines nearly black foliage and stems with ruby-red to scarlet semi-double and double flowers. The robust, uniform, branched plant won a 2025 AAS National Award and a Fleuroselect distinction. W.H. Perron gives 10 to 12 weeks to maturity and a June-to-September bloom period. Strong light darkens the foliage. Remove spent flowers to support production and, before frost, lift tubers from the best plants for frost-free storage.
Maximum height
50 à 65 cm (19,7 à 25,6 po)
Maximum width
25 à 30 cm (9,8 à 11,8 po)
Garden associations
What to plant with it.
Good companions
Published companion information for Black Forest™ Ruby dahlia includes Premier cosmos bipinnatus à fleurs entièrement doubles, Rose Bonbon produit des fleurs rose vif rappelant une rose et a reçu une mention Fleuroselect. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds.
Black Forest™ Ruby dahlia can be integrated into your space by respecting its dimensions, habit, and confirmed garden or culinary use. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety.
Frequently asked questions
Everything toknow.
Light exposure for Black Forest™ Ruby dahlia should follow the published variety information and the light actually available in your garden. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
Before watering Black Forest™ Ruby dahlia, check the growing medium and foliage so frequency reflects current conditions. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Black Forest™ Ruby Dahlia Black Forest™ Ruby has captivating black foliage, a robust knee-high stature and prolific flowering.
Black Forest™ Ruby dahlia can be grown in a container when the pot provides effective drainage and enough volume for expected growth. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs.
Black Forest™ Ruby dahlia is enjoyed during the flowering or decorative development period indicated for this variety. Black Forest™ Ruby dahlia is an ornamental flowers variety offered as seed for gardeners who want clear, practical product information. Confirmed details include maturity: 10-12, height:, spread:, colour: red éclatant. The packet contains approximately 50 bare seeds, and the formulation is non-organic seeds, treated seeds, open-pollinated variety, coated seeds. For best results, follow the sowing, light, and spacing information associated with this variety. You can adjust care to your soil, weather, and observed growth without exceeding the plant’s actual needs. Black Forest™ Ruby Dahlia Black Forest™ Ruby has captivating black foliage, a robust knee-high stature and prolific flowering.
