Vinca F1 Hybrid Mixed Color – 20 seeds

Description

Vinca F1 Hybrid Mixed Color – seeds

 

Price: 120 Taka

Quantity: 20 seeds

 

Germination Rate (Approx.): 85%

Physical Purity (Min): 98%

Genetic Purity (Min): 98%

 

Germination Temperature (in °C)

Vinca seeds require warm conditions for optimal germination. The ideal soil temperature range is 24–26°C (75–78°F). Some sources suggest a slightly broader range of 21–27°C (70–80°F) to accommodate variations in conditions. Temperatures below 20°C (68°F) can delay or inhibit germination, while temperatures above 27°C (80°F) may reduce germination success. For best results, use a heat mat to maintain consistent warmth during germination.

Germination Time (in Days)

Vinca seeds typically germinate in 7–21 days, depending on temperature, moisture, and seed quality. Most sources report an average of 10–15 days under optimal conditions (24–26°C, moist but not waterlogged soil, and total darkness).

Plant Height, Span, and Seed Sowing Depth

• Plant Height: Annual Vinca grows 8–24 inches tall (20–60 cm), depending on the cultivar. Upright varieties typically reach 12–18 inches, while dwarf varieties may be 8–10 inches, and trailing types are 6–8 inches tall.
• Plant Span: The spread ranges from 6–36 inches (15–90 cm). Upright varieties spread 6–12 inches, while trailing varieties (e.g., Cora Cascade) can spread up to 32–36 inches.
• Seed Sowing Depth: Sow seeds 1/8–1/4 inch deep (2–6 mm). Press seeds gently into the soil and cover lightly, as they require darkness to germinate.

Plant Spacing

Space Vinca plants 8–18 inches apart (20–45 cm), depending on the variety and desired coverage:

• Small areas or containers: 8–12 inches apart for compact or dwarf varieties.
• Larger groundcover or beds: 12–18 inches apart to allow for spreading, especially for trailing varieties.

Row Spacing

For garden beds, row spacing should be 12–18 inches (30–45 cm) to ensure adequate air circulation and prevent fungal issues. This spacing accommodates the plant’s spread and promotes healthy growth.

Trellis or Physical Support Requirement

Annual Vinca typically does not require a trellis for most upright or dwarf varieties, as they have a bushy or mounded growth habit. However, trailing varieties (e.g., Cora Cascade) can be trained to climb a trellis or spill over edges in hanging baskets or containers for aesthetic purposes. If used as a groundcover, no support is needed, but redirecting vines may prevent unwanted spreading.

Seed to Bloom Time

Vinca takes 85–120 days (approximately 3–4 months) from seed sowing to bloom. Starting seeds indoors 10–12 weeks before the last frost allows plants to flower by mid-summer when transplanted outdoors.

Bloom Duration

Vinca blooms continuously from early summer until the first frost (typically June to October/November in temperate climates). This equates to 4–6 months of blooming, depending on the climate and planting time. The flowers are self-cleaning, meaning they do not require deadheading to maintain blooming.

Flower Shape and Size

• Shape: Vinca flowers are phlox-like, with five petals arranged in a pinwheel or star shape, often with a contrasting “eye” in the center.
• Size: Flowers are 1–3 inches (2.5–7.5 cm) in diameter. Modern cultivars like the Mega Bloom series produce larger flowers (up to 3 inches), while standard varieties are closer to 1–2 inches.

Lifespan

Annual Vinca (Catharanthus roseus) is grown as an annual in most climates (USDA zones 2–8), living for one growing season (approximately 6–8 months from planting to frost). In tropical or subtropical regions (USDA zones 9–11), it can grow as a perennial, potentially lasting 2–3 years with proper care.

Pot Size/Container Size/Bed Size

• Pot Size: For container growing, use a pot with a minimum diameter of 10–12 inches (25–30 cm) and a depth of 8–12 inches (20–30 cm) to accommodate the root system. A 10-liter pot is recommended for mature plants.
• Bed Size: For garden beds, allocate 12–18 inches per plant for spacing, with no specific bed size requirement as long as drainage is adequate.
• Depth: Ensure a soil depth of at least 6–12 inches (15–30 cm) in beds or containers for healthy root development.

 

 

 

Soil Type and pH

• Soil Type: Vinca thrives in well-draining, sandy loam or loamy soil enriched with organic matter (e.g., compost). It can tolerate poorer soils but prefers a porous, soilless mix for containers (e.g., peat-lite or succulent/cactus mix). Avoid heavy clay soils, as they retain too much water and cause root rot.
• Mixing Composition:
  • 50% peat-based potting mix or loamy garden soil
  • 30% compost or organic matter (for fertility and drainage)
  • 20% perlite or coarse sand (for aeration and drainage)
• pH Level: Ideal pH is 5.5–6.2 (slightly acidic to neutral). A pH below 5.5 enhances iron uptake and suppresses fungal diseases like Thielaviopsis, while a pH above 7.0 may cause yellowing due to iron deficiency.

Sunlight and Light Requirements

• Daily Sunlight for Plants: Vinca requires 6–8 hours of direct sunlight daily for optimal growth and vibrant blooms. It tolerates partial shade but may become leggy with reduced flowering in less than 4 hours of sun.
• Light for Germination: Seeds need total darkness to germinate, so cover trays with black plastic or newspaper. After germination, provide 16 hours of bright, indirect light (e.g., from a south-facing window or grow lights) to prevent leggy seedlings.

Water Requirement and Intervals

• Water Amount: Water to keep soil consistently moist but not waterlogged. For a mature plant (12–18 inches tall) in a 10–12-inch pot, approximately 0.5–1 liter per watering is sufficient, depending on soil drainage and weather. In garden beds, water deeply to reach roots (about 1–2 liters per square meter).
• Intervals:
  • Seedlings: Mist daily to keep soil moist, allowing the top 1/2 inch to dry slightly between waterings.
  • Established Plants: Water every 2–4 days when the top inch of soil feels dry. In hot, dry conditions, water every 1–2 days; in cooler weather, every 4–7 days. Avoid overwatering to prevent root rot.
• Note: Potted plants require more frequent watering (every 1–3 days) than those in garden beds due to faster soil drying.

Companion Plants

Vinca pairs well with plants that share similar sunlight and water requirements:

• Angelonia: Complements Vinca’s upright growth with spiky flowers.
• Pentas: Attracts butterflies and adds height to mixed beds.
• Verbena: Enhances containers with trailing or upright blooms.
• Geranium: Adds bold colors and contrasts with Vinca’s foliage.
• Lisianthus: Offers rose-like flowers for a lush garden display.

 

Fragrance Strength

Vinca flowers have no significant fragrance or a very faint sweet smell, rated 0–2 out of 10 on a fragrance strength scale. The plant is primarily valued for its vibrant colors and foliage rather than scent.

Pest Types and Control

• Common Pests:
  • Aphids: Small sap-sucking insects causing curled leaves.
  • Spider Mites: Tiny pests causing stippling on leaves, common in dry conditions.
  • Whiteflies: Small white insects that fly when disturbed, reducing plant vigor.
• Chemical Control:
  • Aphids: Use insecticidal soap or imidacloprid.
  • Spider Mites: Apply abamectin or bifenthrin.
  • Whiteflies: Use insecticidal soap or pyrethroids like permethrin.
• Organic Methods:
  • Neem Oil: Dilute and spray weekly to deter all three pests.
  • Ladybugs: Release as natural predators for aphids and whiteflies.
  • Water Spray: Use a strong jet of water to dislodge pests.
  • Diatomaceous Earth: Sprinkle around the base to deter crawling pests.

Disease Types and Treatment

• Common Diseases:
  • Damping-Off (Pythium, Phytophthora, Rhizoctonia): Affects seedlings, causing rotting at the soil line.
  • Root Rot (Phytophthora): Causes tan/brown roots and wilting.
  • Leaf Spot/Stem Rot (Botrytis, Phytophthora): Brown spots or lesions on leaves/stems in humid conditions.
• Chemical Treatment:
  • Damping-Off: Apply thiophanate-methyl or fludioxonil drenches.
  • Root Rot: Use triflumizole or mefenoxam.
  • Leaf Spot/Stem Rot: Apply chlorothalonil or mancozeb.
• Organic Methods:
  • Improve Drainage: Use well-draining soil and avoid overwatering.
  • Sanitation: Remove infected plant parts and sterilize pots/trays.
  • Copper-Based Sprays: Apply copper fungicide for leaf spot control.
  • Increase Airflow: Space plants adequately and prune to reduce humidity.

 

 

 

 

 

Essential Nutrients and Organic Fertilizers

• Essential Nutrients:
  • Nitrogen (N): 15–20% for foliage growth.
  • Phosphorus (P): 10–15% for root and flower development.
  • Potassium (K): 15–20% for overall vigor and disease resistance.
  • Micronutrients: Iron, magnesium, and sulfur to prevent yellowing and enhance growth.
• Organic Fertilizers:
  • Compost: Provides balanced N-P-K (approx. 2-1-2) and micronutrients.
  • Fish Emulsion: Rich in nitrogen (5-1-1) and trace elements.
  • Bone Meal: High in phosphorus (3-15-0) for root and flower support.
  • Wood Ash: Supplies potassium (0-1-5) and raises soil pH if needed.
  • Seaweed Extract: Supplies micronutrients like iron and magnesium.

Organic Fertilizer Application for Containers

For a 10–12-inch pot (10 liters):

• Compost: Apply 100–150 grams at planting, mixed into the top 2 inches of soil. Reapply 50 grams every 6–8 weeks.
• Fish Emulsion: Dilute to half strength (per manufacturer instructions) and apply 50–100 ml (about 50 grams) every 4–6 weeks.
• Bone Meal: Mix 20–30 grams into soil at planting. Reapply 10 grams every 8 weeks.
• Wood Ash: Sprinkle 10–15 grams every 8 weeks, avoiding overuse to prevent pH imbalance.
• Seaweed Extract: Apply 50 ml (diluted per instructions) every 4–6 weeks.
• Intervals: Fertilize every 4–8 weeks during the growing season (spring to early fall). Reduce or stop in winter for perennials in zones 9–11.

Chemical Fertilizer Requirement and Application Rate

• Fertilizer Type: Use a balanced, water-soluble fertilizer (e.g., 10-10-10 or 20-20-20) or one formulated for flowering plants (e.g., 15-30-15 for bloom enhancement).
• Application Rate:
  • Seedlings: Apply a half-strength solution (50–75 ppm N) every 2 weeks after the first true leaves appear.
  • Mature Plants (12–18 inches): Apply 100–150 ppm N (about 1–2 grams per liter of water) every 2–4 weeks during the growing season.
  • Container Plants: Use 1–2 grams of slow-release fertilizer (e.g., 14-14-14) per 10-inch pot at planting, supplemented with liquid fertilizer (100 ppm N) every 2–3 weeks.
• Note: Avoid fertilizers high in ammonium (>25 ppm) or phosphorus (>20 ppm) to prevent root inhibition or stretching.

 

 

 

 

Health Benefits or Medicinal Uses

Vinca (Catharanthus roseus) has significant medicinal value:

• Alkaloids: Contains vincristine and vinblastine, used in chemotherapy to treat cancers like leukemia and lymphoma.
• Traditional Uses: In herbal medicine, it’s used to treat diabetes, high blood pressure, and infections (though self-medication is not recommended due to toxicity).
• Toxicity Warning: All parts of the plant are toxic to humans and pets if ingested, so handle with care and avoid using it for home remedies without professional guidance.

Special Characteristics

• Drought and Heat Tolerance: Thrives in hot, dry conditions once established.
• Vibrant Colors: Offers a wide range of flower colors (pink, red, white, purple, etc.) with contrasting eyes.
• Low Maintenance: Self-cleaning flowers require no deadheading, and the plant is resistant to most pests and diseases.

Care for More Flowers

• Sunlight: Ensure 6–8 hours of direct sun to maximize blooms.
• Watering: Water when the top inch of soil is dry, avoiding waterlogging.
• Pinching: Pinch back growing tips early in the season to encourage bushier growth and more flowers.
• Fertilization: Apply a balanced fertilizer (e.g., 10-10-10) every 4–6 weeks to boost blooming.
• Air Circulation: Space plants adequately to prevent fungal issues that reduce flowering.
• Mulching: Use organic mulch to retain moisture and regulate soil temperature.

Ideal Germination Month in Bangladesh

In Bangladesh, with its tropical monsoon climate, the ideal month for sowing Vinca seeds under natural conditions is March. This aligns with the pre-monsoon season when temperatures are consistently above 24°C (75°F), and rainfall is moderate, providing optimal germination conditions. Data from the last two years (2023–2024) indicates March has average temperatures of 25–30°C and sufficient sunlight, avoiding the heavy rains of June–September that could cause waterlogging.

Native Climate and Region

• Native Climate: Tropical to subtropical, semi-arid to moderately humid.
• Native Region: Madagascar, where it grows in warm, well-drained environments. It has naturalized in other tropical regions, including parts of Africa, Asia, and Australia.

Seed Germination Difficulty

Rated 4 out of 10. Vinca seeds require specific conditions (darkness, warm temperatures, and well-draining soil), but with proper setup (e.g., heat mats, seed-starting mix), germination is reliable. Challenges arise from overwatering or cold temperatures, which can cause damping-off.

Growing Difficulty

Rated 3 out of 10. Once established, Vinca is low-maintenance due to its drought and heat tolerance. Seedlings are sensitive to overwatering and cold, but mature plants are robust and forgiving.

Average Number of Seeds per Gram

Vinca seeds yield approximately 800–1000 seeds per gram (or 22,000–28,000 seeds per ounce). This estimate is based on commercial seed data, with slight variations by cultivar.

Three Specialties of This Plant

1. Continuous Blooming: Flowers non-stop from summer to frost without deadheading.
2. Disease Resistance: Modern cultivars (e.g., Cora series) are bred for resistance to Phytophthora and other fungal diseases.
3. Versatility: Suitable for beds, borders, containers, and hanging baskets, with both upright and trailing varieties.

Two Beautiful Quotes

• “In the heart of summer’s heat, the Vinca blooms with unwavering grace, painting gardens with colors that defy the sun’s fierce embrace.”
• “Like stars in a midday sky, Vinca flowers shine with quiet resilience, a testament to beauty that thrives where others falter.”

 

Three Unknown Facts

1. Medicinal Breakthrough: Vinca’s alkaloids (vincristine and vinblastine) were discovered in the 1950s and revolutionized cancer treatment, particularly for childhood leukemia.
2. Nickname “Flower of Death”: In some cultures, Vinca is called the “flower of death” due to its toxicity, despite its medicinal uses.
3. Hybrid Limitations: Seeds from hybrid Vinca plants often don’t produce true-to-type offspring, making commercial seeds or cuttings preferable for propagation.

Scientific Name and Family

• Scientific Name: Catharanthus roseus
• Family: Apocynaceae (Dogbane family)

Hashtags

*Note: Germination of this requires complete darkness

 

–Ready Mix Soil – Potting Mix – MGSS3020

 

Disclaimer:

In accordance with the universal custom of seed trade we give no warranty expressed or implied as to description, quality, productivity or any other matter of any way for the crop results beyond the purchased price especially under unsuitable season, abnormal weather, unsuitable soil and other unexpected conditions.

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