Coleus Black Dragon F1 is a tender perennial (usually grown as annual) flowering plant native to Southeast Asia, producing lavender to light blue flower spikes (occasional) blooms across a growing height of Compact, Bushy & Highly Decorative. A dark purple, burgundy, almost black by nature, it flowers during Year Round in Warm Climates and is widely grown for decorative foliage displays, indoor pots, borders, mixed containers, landscape edging & shade garden.
This pack contains 30 seeds of f1 hybrid seeds delivering 75–90% (Under Ideal Conditions) germination under ideal conditions. Beginner-friendly and low maintenance, these seeds are suited to Indian terrace gardens, balcony containers, home garden beds, and grow bags alike, performing best in the conditions specified below. For best results, pair with Organic Potting Soil Mix and feed with NPK Liquid Fertilizer once seedlings are established.
Key Benefits:
Produces lavender to light blue flower spikes (occasional) blooms during Year Round in Warm Climates, bringing long-lasting colour to any garden space
Grows well in pots, grow bags, and containers, making it suitable for terrace and balcony gardens
High germination rate of 75–90% (Under Ideal Conditions) ensures reliable seedling establishment from every sowing
Beginner-friendly with straightforward sowing requirements suitable for new gardeners
Excellent tolerance gives planting flexibility in partially shaded garden spots
Who Should Buy This?
Perfect for:
Balcony gardeners
Terrace garden owners
Container and grow bag gardeners
Beginners new to gardening
Gardeners who want low-maintenance plants
Gardeners who want consistent, reliable F1 hybrid performance
Hanging basket and vertical garden enthusiasts
Gardener Tip: Transplant Coleus Black Dragon F1 seedlings in the early morning or evening, not in the heat of the day. Water the seedlings well the day before transplanting to reduce root disturbance stress, and keep them lightly shaded for the first 2-3 days after moving to help them settle into new soil without wilting.
How to Sow:
Sow during February–April, July–September using seed tray recommended. Surface sow seeds and lightly press into moist growing medium. Do not cover deeply.
Use rich, well-drained potting mix, cocopeat mix & garden soil with good drainage. Maintain soil moisture consistently until germination.
Keep soil moist, provide bright indirect light and pinch growing tips for bushier plants. Ensure the seedlings receive partial shade to bright indirect light for healthy growth.
Water with moderate frequency, avoiding waterlogging. Feed with a balanced organic fertilizer once established.
Germination Tips: Surface sow seeds and lightly press into moist growing medium. Do not cover deeply.
Growing Instructions: Keep soil moist, provide bright indirect light and pinch growing tips for bushier plants.
How to Grow Coleus Black Dragon F1
Coleus Black Dragon F1 Growing Season in India
Coleus Black Dragon F1 grows best in India during Spring, Monsoon & Autumn, with the ideal sowing window falling between February–April, July–September. Starting seeds within this window gives plants the temperature and light conditions they need to germinate reliably and flower on time.
How to Grow Coleus Black Dragon F1 in Pots and Grow Bags
Coleus Black Dragon F1 can be sown in a seedling tray before transplanting. It is well suited to pots, Geo Fabric Circular Grow Bags, and HDPE Rectangular Grow Bags in terrace and balcony gardens. - Recommended grow bag size: 12x12 inch or 15x15 inch - Spacing: Keep 15–20 cm between plants for good airflow - Germination temperature: 18°C–30°C
What Size Grow Bag is Best for Coleus Black Dragon F1?
Geo Fabric Circular Grow Bags — best for single plants on balconies
Geo Fabric Rectangular Grow Bags — ideal for rows of plants on terrace edges
HDPE Circular Grow Bags — budget-friendly option for patio and balcony growing
HDPE Rectangular Grow Bags — good for multiple seedlings transplanted in a row
Sowing Method for Coleus Black Dragon F1 Seeds
Fill a seedling tray or pot with Organic Potting Soil Mix or cocopeat
Surface sow seeds and lightly press into moist growing medium. Do not cover deeply.
Keep the sowing medium evenly moist — not waterlogged — until germination
Place in partial shade to bright indirect light location; most flower seeds need good light to germinate
Seeds typically germinate in 10–21 Days
Keep soil moist, provide bright indirect light and pinch growing tips for bushier plants.
Fertilizer Tips for Coleus Black Dragon F1
Mix Vermicompost into the soil before planting for a strong organic nutrient base
Apply NPK Liquid Fertilizer once every 10–15 days during active growth and flowering
Add Seaweed Extract as a foliar spray to improve root strength and stress tolerance
Sprinkle Epsom Salt once a month to promote vibrant bloom colour
Coleus Black Dragon F1 Plant Care
Soil: Rich, Well-Drained Potting Mix, Cocopeat Mix & Garden Soil
Water: Moderate watering; avoid waterlogging and ensure drainage holes are present
Sunlight: Partial Shade to Bright Indirect Light; at least 4–6 hours of direct sun daily for reliable flowering
Temperature: Grows best between 18°C–30°C
Pests: Watch for mealybugs. Spray Neem Oil if aphids or soft-bodied pests appear.
Deadheading: Remove faded flowers regularly to encourage continuous new bloom production
Hanging baskets: Suitable for hanging basket displays, ideal for trailing or cascading growth
Coleus Black Dragon F1 Blooming Time
First flowers appear 60–90 Days after sowing under good conditions
Bloom duration: 25–40 cm during the growing season
Regular deadheading and consistent feeding extend the blooming period significantly
Companion Planting
Best Companion Flowers: Begonia, Impatiens, Caladium, Ferns, Alyssum
Best Companion Vegetables: Petunia, Marigold, Salvia, Vinca
Garden Style: Tropical Garden, Shade Garden, Container Garden, Modern Landscape & Cottage Garden
Wildlife Attracted: Bees & Butterflies During Flowering
Flower Type: Ornamental Foliage Plant
Flower Color: Lavender to Light Blue Flower Spikes (Occasional)
Plant Lifecycle: Tender Perennial (Usually Grown as Annual)
Seed Type: F1 Hybrid
Seed Count: 30 SEEDS
Germination Rate: 75–90% (Under Ideal Conditions)
Germination Time: 10–21 Days
Days to Flowering: 60–90 Days
Blooming Season: Year Round in Warm Climates
Bloom Duration: 25–40 cm
Plant Height: Compact, Bushy & Highly Decorative
Flower Diameter: 25–35 cm
Sunlight: Partial Shade to Bright Indirect Light
Water Requirement: Moderate
Best Sowing Months (India): February–April, July–September
Soil pH Range: 6.0–7.0
Temperature Range: 18°C–30°C
Container Friendly: Yes
Cut Flower Suitable: No
Pollinator Friendly: Yes (When Flowering)
Beginner Friendly: Yes
Country of Origin: India
Soil Type: Rich, Well-Drained Potting Mix, Cocopeat Mix & Garden Soil
Soil pH: 6.0–7.0
Temperature Range: 18°C–30°C
Drought Tolerant: Low
Heat Tolerant: Good
Shade Tolerant: Excellent
Hanging Basket Suitable: Yes
Border Plant Suitable: Yes
Pest Resistance: Good
Disease Resistance: Moderate
Seed Saving Possible: No (F1 Hybrid)
Coverage Area: Depends on Plant Spacing
Popular Uses: Decorative Foliage Displays, Indoor Pots, Borders, Mixed Containers, Landscape Edging & Shade Gardens
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