Dwarf Dahlia 'Unwin's' mix

110 Seeds

Seeding Dwarf Dahlia 'Unwin’s Mix' is a colorful and compact way to enjoy dahlias in borders, containers, or small gardens. This mix produces single and semi-double blooms in a wide range of colors, and the plants stay a manageable 12–24 inches tall.

Here’s how to successfully grow them from seed:

🌺 Dwarf Dahlia 'Unwin’s Mix' – Seeding Guide

📅 When to Sow

Indoors (recommended):

• Start 8–10 weeks before your last frost date

  • Example: If last frost is early May, sow in late February to early March

Outdoors (direct sowing):

• Only sow after the last frost and when soil is warm (not recommended in short-season climates)

🌱 How to Sow

Soil & Containers

• Use sterile seed-starting mix

• Sow in trays, modules, or small pots

Sowing Instructions

• Depth: Sow seeds ¼ inch (6 mm) deep

• Light: Moderate light needed; place under grow lights or in a sunny window

• Water: Keep soil moist but not soggy

🌡️ Germination

• Temperature: 70–75°F (21–24°C)

• Time: 7–14 days

🌿 After Germination

• Transplant into individual pots when seedlings have 2–3 true leaves

• Begin feeding with a diluted liquid fertilizer every 2–3 weeks

• Harden off seedlings before transplanting outdoors

🌞 Outdoor Transplanting

• Transplant after all danger of frost has passed

• Spacing: 10–12 inches apart

• Sun: Full sun (at least 6 hours per day)

• Soil: Rich, well-draining soil (slightly acidic to neutral pH 6.0–7.0)

🌼 Blooming

• Blooms in 10–12 weeks from sowing

• Flowers mid-summer through frost

• Good for cutting gardens, edging, and containers

🪴 Care Tips

• Deadhead to promote continuous blooming

• Water deeply but let the top of the soil dry between waterings

• Pinch back early growth to encourage bushier plants

• May produce small tubers that can be lifted and stored over winter in frost-prone zones

🐝 Pollinator Note

• Attracts bees and butterflies

• Great addition to a wildlife-friendly garden