Sparkler Mix Petunia Seeds - Petunia, 20 seeds

Quantity: 20 Seeds / pack

Sparkler Mix Petunia produces cheerful, star-patterned blooms in a festive mix of colors on compact, free-flowering plants. Petunias are a classic choice for hanging baskets, window boxes, and sunny borders, blooming nonstop until frost.

Why choose our seeds?

• Star-patterned 'sparkler' blooms in a bright mixed color range
• Compact, free-branching plants ideal for baskets, containers, and borders
• Long bloom season — flowers from early summer until frost with deadheading

How to grow Sparkler Mix Petunia seeds

Choose Your Planting Method

• Indoors: Start seeds indoors 8-10 weeks before the last frost date.
• Outdoors: Sow outdoors only after all frost danger has passed and soil is warm (at least 70°F / 21°C).

Prepare Your Materials

• Seed-starting trays or pots (if indoors)
• Well-draining potting mix
• Clear plastic wrap or a humidity dome
• Spray bottle for misting

Sowing the Seeds

• Surface sow — press the tiny seeds gently onto moist seed-starting mix but do not cover them; petunia seeds need light to germinate
• Mist lightly to settle the seeds without burying them

Provide the Right Conditions

• Light: Bright light; seeds need light to germinate
• Temperature: 70-80°F (21-27°C)
• Humidity: Cover with plastic wrap or a dome to keep the surface from drying out until germination

Germination

• Seeds typically germinate in 7-21 days
• Remove the cover once seedlings emerge and grow them on in bright light at 60-75°F (16-24°C)

Transplanting

• Transplant when seedlings have 2-3 sets of true leaves and frost danger has passed
• Harden off over 7-10 days
• Space plants 10-12 inches apart

Care Tips

• Sun: Full sun for the heaviest bloom
• Water: Keep evenly moist; containers and baskets dry out fast and need daily watering in heat
• Fertilizer: Feed with a balanced liquid fertilizer every 2-3 weeks once established
• Pinch back young stems to encourage bushy growth and deadhead spent flowers to prolong blooming

Bloom Time:

Early summer until the first frost.