Catharanthus roseus 'Vinca rosea dwarf' mix
Catharanthus roseus 'Vinca rosea dwarf' mix
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100 Seeds
Seeding Catharanthus roseus (commonly known as Madagascar Periwinkle, also marketed as Vinca rosea dwarf mix) is a great way to grow compact, vibrant plants that thrive in hot, sunny, and dry conditions. The dwarf mix produces bushy, low-growing plants (20–30 cm tall) with colorful flowers in shades of white, pink, rose, and red, often with contrasting centers.
This plant is heat-loving, drought-tolerant, and blooms non-stop from late spring until frost—perfect for borders, containers, and mass plantings.
🌸 Catharanthus roseus 'Vinca rosea Dwarf Mix' – Seeding Guide
✅ Quick Overview
| Feature | Details |
|---|---|
| Type | Tender perennial (grown as annual) |
| Height | 20–30 cm (8–12 in) – compact & bushy |
| Spread | 20–25 cm (8–10 in) |
| Bloom Time | Late spring to frost |
| Colors | Mix of white, rose, pink, red, some with eye zones |
| Light | Full sun (tolerates part shade) |
| Water | Low once established (drought-tolerant) |
| Best Use | Bedding, edging, containers, hot/dry spots |
🌱 Step-by-Step Seeding Instructions
1. When to Sow
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Indoors: 10–12 weeks before last frost (early spring)
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Outdoors: Not recommended – seeds require warmth and even conditions
2. Seed Preparation
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No stratification required
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Tip: Soak seeds in warm water for 2–3 hours before sowing (optional for faster germination)
3. Indoor Sowing (Recommended)
| Step | Instructions |
|---|---|
| Containers | Use cell trays or small pots with drainage |
| Soil | Light, well-draining seed-starting mix |
| Sowing Depth | 3–6 mm (⅛–¼ inch) – just lightly cover the seed |
| Temperature | Warm – 24–26°C (75–79°F) essential for germination |
| Light | Keep dark during germination (cover trays or use dome) |
| Germination | 7–21 days – be patient and maintain warmth |
4. After Germination
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Move to bright light or grow lights once seedlings appear
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Avoid overwatering – let topsoil dry between watering
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Transplant when seedlings have 2–3 true leaves
5. Hardening Off & Transplanting Outdoors
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Harden off: Gradually acclimate for 7–10 days after danger of frost
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Spacing: 20–25 cm (8–10 in) apart
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Site: Full sun, well-drained soil (do not overwater)
☀️ Growing Conditions
| Factor | Best Practice |
|---|---|
| Light | Full sun (6+ hrs) – blooms best with more light |
| Soil | Light, well-drained; tolerates sandy soils |
| Water | Low to moderate – drought-tolerant once established |
| Feeding | Monthly liquid feed or slow-release fertilizer |
✂️ Care Tips
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No deadheading needed – self-cleaning
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Avoid overwatering or soggy soil – prone to root rot
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Use in hot, dry beds, containers, or slopes
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Performs best in hot summers – thrives in heat others hate
🌺 Bonus Benefits
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Deer and rabbit resistant
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Long bloom time – excellent for long-season color
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Works beautifully in xeriscapes and coastal gardens
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Attracts pollinators, especially butterflies
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