Frost Mix Petunia Seeds - Petunia, 20 seeds

Quantity: 20 Seeds / pack

Frost Mix petunia is a compact, upright mix that smothers tidy mounds with colorful blooms from early summer until frost. Easy in beds, borders, and containers, it is a workhorse for continuous summer color — give it sun, regular water, and it rewards you for months.

Why choose our seeds?

• A lively mix of colors on compact, upright plants
• Continuous blooms from early summer to frost
• Perfect for beds, borders, containers, and window boxes

How to grow Frost Mix Petunia seeds

Choose Your Planting Method

• Indoors: Start 8–10 weeks before the last frost — petunias need a long head start.
• Outdoors: Not recommended; direct sowing gives a very short season.

Prepare Your Materials

• Seed-starting trays or pots
• Fine seed-starting mix
• Humidity dome or plastic wrap
• Spray bottle for misting

Sowing the Seeds

• Sow on the surface and do not cover — petunia seeds need light to germinate.
• No pre-treatment is needed.

Provide the Right Conditions

• Light: Bright light; uncovered seeds must receive light.
• Temperature: 75°F (24°C) for the fastest, most even germination.
• Humidity: Cover with a dome or wrap and mist to keep the surface moist.

Germination

• Seedlings emerge in 7–10 days.
• Remove the cover once sprouts appear; keep soil moist and give strong light to avoid leggy seedlings.

Transplanting

• Pot up when seedlings have a few true leaves.
• Move outdoors after the last frost; harden off first.
• Space plants 10–12 inches apart.

Care Tips

• Sun: Full sun — at least 6 hours daily for heavy blooming.
• Water: Water regularly; container plants may need daily watering in summer heat.
• Fertilizer: Feed every 2–3 weeks with a balanced fertilizer; petunias are heavy feeders.
• Pinch young stems for bushier plants, deadhead spent blooms, and cut back leggy stems mid-season for a fresh flush.

Bloom Time:

Early summer to frost with regular deadheading.