Sparklers Petunia blooms on a white background.
Close-up Sparklers Petunia highlighting range of colors and delicate bloom formation.
Sparklers Petunia in clear blue water jug in garden background.
Sparklers Petunia blooms on a white background.
Close-up Sparklers Petunia highlighting range of colors and delicate bloom formation.
Sparklers Petunia in clear blue water jug in garden background.

Petunia Seeds,
Sparklers

4.86 ReviewsSKU: #FL894Min. seed count: 75
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Description

(Petunia hybrida). A dazzling petunia with diminutive purple blooms that look like a cluster of stars! This unique petunia is semitrailing, reaching about 14 inches wide and 12 inches high. When the British seed company Thompson and Morgan received a sample of a white petunia with unusually small-sized flowers, breeders there spent 10 years selecting and perfecting this variety from that original seed stock. This eye-catching mix has received the prestigious Fleuroselect Novelty award and is a perfect fix for the flower bed, containers, and any other spot needing a cheer up!

Growing Tips: Sparklers petunia is a unique heirloom variety that flourishes in full sun and well-draining, nutrient-rich soil. Keep the soil evenly moist and apply a balanced liquid fertilizer every couple of weeks. Removing spent flowers (deadheading) will also encourage continuous blooms throughout the growing season.

Plant Details

Botanical Name
Petunia hybrida
Life Cycle
Annual
Sun Requirement
6–8 hr.
Days to Germinate
7–14
Days to Maturity
70–85
Planting Depth
Surface sow
Plant Spacing
6–8 in.
Ideal Temperature
75–80°F
Frost Hardy
No

When to Grow

Start seeds indoors 8-10 weeks before your region’s last frost date. Once the risk of frost has passed and temperatures remain above 50 F, seedlings can be transplanted into the garden or outdoor containers. Since petunias are sensitive to cold, it’s important to check your local frost dates before planting them outside. If you’re not sure how to do that, check out our blog post 'Our Experts Answer Questions, Share Resources.’

How to Sow and Plant

Scatter petunia seeds lightly on the surface of moist seed-starting mix, pressing them gently into the soil. Do not cover the seeds, as they need light to germinate. Keep the soil temperature at 70-85 F during germination. Once seedlings develop two or three sets of true leaves, transfer them into individual pots. Before moving them outdoors, gradually acclimate them to outdoor conditions over 7-10 days to prevent transplant shock.

How to Grow

Plant 6-8 inches apart in a sunny, well-draining area. Avoid overly soggy soil, which can lead to root rot. A thin layer of mulch helps retain moisture and suppress weeds. To encourage compact, bushy growth, pinch back the young plants by trimming the tips of new growth. For prolonged flowering, regularly remove spent blooms. Keep an eye out for common pests like aphids and caterpillars, and make sure there’s good air circulation to minimize disease risks.

How to Save Seeds

  • Petunias will readily self-seed in mild winter climates.
  • To save seed, hand-pick the brown seed pods.
  • Take care to collect the seed pods before they burst and spread the seeds across the garden.
  • Store the seeds over winter in a cool, dark, dry place.

FAQ

Do Sparklers petunias need daily watering?

While petunias need consistent moisture, they do not require daily watering unless the weather is extremely hot. Water when the top inch of soil is dry.

How do I keep Sparklers petunias looking fresh all season?

Regular deadheading, fertilizing, and light trimming will keep petunias blooming and looking great throughout the summer.

Can Sparklers petunias be grown indoors?

Yes, petunias can be grown indoors in containers if they receive plenty of direct sunlight or supplemental grow lights.

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