Description
Dark-roast foliage, double-shot blooms.
- Dark foliage creates dramatic contrast in borders while complementing the rich, fully double blooms that hold their shape throughout the season.
- Strong garden performance with excellent powdery mildew resistance helps plants to look fresh and healthy from summer through fall frost.
- Perfect for patio pots, cutting gardens and landscape beds, these robust plants deliver continuous waves of café-inspired colors on strong stems above the striking dark foliage.
Availability
Features
Growing information
Culture Information
Coffee Shop™
Dahlia
Dahlia x hybrida
Product form: Vegetative
Containers: Quarts, Gallons
Habit: Upright
Garden Specifications
Garden height: 22–26" (55–65 cm) tall
Garden width: 18–22" (45–55 cm) wide
Exposure: Full Sun
USDA zone: 10–11
AHS zone: 10–3
Product use: Containers, Landscapes, Patio Pots, Combos
Propagation of Unrooted Cuttings
Root emergence: 8–10 days
Rooting hormone: Not recommended
Bottom heat temperature: 72–74 °F (22–23 °C) for the first three weeks. After roots are well developed, temperatures can be lowered to hold and tone the cuttings.
Misting: Mist schedules vary depending on light and temperature conditions. Apply just enough moisture to rehydrate the cuttings and keep them from wilting. Cuttings should be hydrated and in a non-wilted stage within 24 hours after sticking. Cuttings that continue to wilt heavily after 24 hours will callus unevenly and will be delayed in rooting. CapSil® (spray adjuvant) can be sprayed on the cuttings at a rate of 2–4 oz/100 gal within one to two days after sticking to help in rehydration of the cuttings. Misting should be significantly reduced after two to three days and after cuttings become fully hydrated.
Recommended tray size: 105-cell (30 mm) or larger
Propagation timing: 3.5–4 weeks for a 105-cell tray; add more rooting time for significantly larger cell sizes.
Temperature
Day: 72–74 °F (22–23 °C)
Night: 72–74 °F (22–23 °C)
Lighting
Day extension lighting: Necessary to 14 hours
Light intensity: 200–250 µmol·m−2·s−1 for the first two weeks after sticking or until root development occurs. Light levels can be increased up to 600 µmol·m−2·s−1 as rooting increases and the cutting matures.
Day length response: Facultative short day
Daily light integral (DLI): 4–6 mol·m−2·d−1 for the first two weeks after sticking or until root development occurs. DLI can be increased to greater than 12 mol·m−2·d−1 after root formation.
Media pH: 5.6–6.0
Media EC: SME EC: 0.9–1.3 mS/cm, Press/Squeeze Method EC: 1.4–2.0 mS/cm
Fertilizer: Begin fertilization at 100 ppm nitrogen when roots become visible. Rates can be increased up to 200 ppm nitrogen after roots become well developed. Use primarily Cal-Mag® (calcium nitrate + magnesium nitrate) fertilizers in propagation to prevent unwanted stretch.
Pinching: Not recommended
Plant growth regulators (PGRs): To control growth after rooting, sprays of B-Nine® WSG (2,500–3,500 ppm) are usually sufficient. A tank-mix spray of Florel® (350–500 ppm) + B-Nine® WSG (2,500 ppm) can also be used to control growth and improve branching. Do not spray Florel® on stressed or weak cuttings. For all sprays listed above, the mist should be off for a minimum of one hour for the PGR to absorb into the leaf tissue.
Finishing
Temperature
Day: 72–74 °F (22–23 °C)
Night: 66–68 °F (19–20 °C)
Average daily temperature: 69–71 °F (20–21 °C)
Lighting
Day extension lighting: Beneficial to 14 hours
Light intensity: 800–1,200 µmol·m−2·s−1
Day length response: Facultative short day
Daily light integral (DLI): 16–18 mol·m−2·d−1
Transplanting: Transplant directly into the finished container. Place the rooted cutting and rooting media relatively deep in the container. Dahlias need deep and sturdy planting to provide good support and balance in the pot for the maturing plants.
Media pH: 5.8–6.2
Media EC: SME EC: 1.5–2.1 mS/cm, PourThru EC: 2.3–3.2 mS/cm
Fertilizer: 200–250 ppm N
Pinching: Yes, 1 pinch is recommended 7–10 days after transplant.
Plant growth regulators (PGRs): Sprays of B-Nine® WSG (2,500–3,500 ppm) are usually sufficient to control growth. A Bonzi® drench (3–4 ppm) can also be used to control growth or to hold plants for sale.
Tech tip: Long-day lighting (day length extension or night interruption) is needed during propagation to avoid premature flowering and tuber formation. Ideal photoperiod during finishing to provide the correct balance between vegetative growth and flower formation is between 13–14 hours. Growing under very short natural days (< 12 hours) will result in short plants, fast flowering, and root tubers. Provide warm temperatures early on in finishing to allow plants to establish after transplant. Plant the rooted cutting relatively deep to provide good support and balance in the pot for the maturing plants. Scout and treat for a range of insects and diseases, including spider mites, thrips, and powdery mildew.
Moisture level: Media should be allowed to dry between irrigations. Alternate between moisture level 2 and 4. 2 - MEDIUM: Soil is light brown in color, no water can be extracted from soil, and soil will crumble apart. 4 - WET: Soil is dark brown but not shiny, no free water is seen at the surface of the soil, when pressed or squeezed water drips easily, and trays are heavy with a visible bend in the middle.
Common pests: Aphids, spider mites, thrips, leafminers
Common diseases: Botrytis, powdery mildew, basal stem rot
Scheduling
| Size | Crop Time | Plants Per Pot |
|---|---|---|
| 1.0 pint (4 inch) | 7–8 weeks | 1 ppp |
| 1.25 to 2.5 quart (5.5 to 6.5 inch, trade gallon) | 8–10 weeks | 1–2 ppp |
| 3.0 quart to 1.5 gallon (7.5 to 10 inch) | 9–10 weeks | 2 ppp |
| 1.5 gallon pot (10 inch) | 10–11 weeks | 3 ppp |
| 2.0 gallon pot (12 inch) | 10–11 weeks | 4 ppp |
| 3.0 gallon pot (14 inch) | 10–11 weeks | 6 ppp |
Estimated finish crop time is from transplant of a 105-cell tray and finished at an average daily temperature of 69 °F (20 °C).
Example crop schedule for a 2.5 quart
| Weeks From Transplant | Description |
|---|---|
| 1 week | Provide average daily temperatures of 69 °F (20 °C) and DLI levels above 15 mol·m−2·d−1. Pinch plants when they are rooted into the pot. Make sure photoperiod is between 13–14 hours per day |
| 2 weeks | Apply a spray of B-Nine® WSG (3,500 ppm) to control growth |
| 5 weeks | Evaluate plants and apply a Bonzi® drench at 3–4 ppm if needed to control growth. Scout for spider mites, aphids, thrips, and powdery mildew and treat if needed |
| 6 weeks | Apply a broad-spectrum fungicide drench to prevent late-season basal stem and root rot |
| 9 weeks | Finish. |
Frequently asked questions
You can buy Syngenta Flowers' products through authorized distributors and brokers. Visit the Distributors section of our website to find a supplier near you.
No, Syngenta Flowers does not sell directly to consumers or growers. Our products are available through authorized distributors and brokers. Please refer to our Where to Buy page for more information.
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Grower Success Guide
Look for our flowers in garden centers across the country. Many of our seeds are available to consumers from seed packet companies online.
Growers, retailers, agencies, and brokers - can access images through the Trinity Image Library. The library link is conveniently located in the footer of every page.
Yes, during transport, plants experience a lot of stress and when plants are stressed they can release ethylene. Higher temperatures, enclosed spaces, and damage to the plants increase the ethylene concentrations in the shipping environment.
Resources
Protect your Ethylene-Sensitive Crops
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