Fill Your Garden with Bold, Velvety Red Blooms

Picture a window box or garden bed bursting with rich, double-petaled red geraniums — their deep crimson flowers stacked in lush, rounded clusters that stop people in their tracks. These 10 Double Red Geranium seeds (Pelargonium × hortorum) are your ticket to one of the most classic and rewarding flowering plants you can grow, whether in containers, borders, or hanging baskets.

Why Gardeners Choose Double Red Geraniums

• 🌹 Stunning double blooms — layers of rich red petals for maximum visual impact
• ☀️ Long blooming season — flowers from late spring through first frost
• 🪴 Versatile grower — thrives in pots, containers, window boxes, and garden beds
• 💧 Drought tolerant — once established, handles dry spells well
• 🌍 Adaptable — grows in temperate climates worldwide

Growing Guide

• Sowing depth: ⅛ inch (3mm), barely cover with soil
• Germination time: 7–21 days at 70–75°F (21–24°C)
• Sunlight: Full sun to partial shade (4–6 hours minimum)
• Spacing: 12–18 inches apart
• Watering: Allow soil to dry slightly between waterings
• Bloom time: Late spring through fall
• Best started: Indoors 10–12 weeks before last frost

Product Details

• Species: Pelargonium × hortorum
• Seeds per pack: 10
• Flower color: Deep double red
• Type: Tender perennial (grown as annual in most climates)
• Difficulty: Easy to Moderate
• Use: Containers, window boxes, borders, hanging baskets

Frequently Asked Questions

How long does it take for geranium seeds to germinate?
Geranium seeds typically germinate in 7–21 days when kept at 70–75°F (21–24°C). Keep the soil consistently moist and use a heat mat for best results.

Can I grow Double Red Geraniums in pots or containers?
Yes — geraniums are ideal container plants. Use a well-draining potting mix in a pot at least 8–10 inches deep, and place in a sunny spot for the best blooms.

Do geraniums come back every year?
In USDA zones 10–11, geraniums are perennial. In cooler climates, they're grown as annuals or overwintered indoors. You can bring potted plants inside before frost to enjoy them again next season.

How much sun do Double Red Geraniums need?
They thrive in full sun to partial shade. At least 4–6 hours of direct sunlight per day will produce the most abundant and vibrant blooms.

How many seeds should I plant per pot?
Plant 2–3 seeds per cell or small pot, then thin to the strongest seedling once they reach 2 inches tall. Geranium seeds can be slow to germinate, so patience pays off!