Giant Watermelon Seeds – Sweet, Juicy Watermelons for Summer Gardens

Giant Watermelon Seeds grow into massive, sweet, and juicy watermelons perfect for summer gardens and backyard harvests. Known for their impressive size and refreshing red flesh, these melons thrive in warm climates and produce abundant yields when given full sun and plenty of space.

Ideal for fresh eating, picnics, fruit salads, and summertime treats, Giant watermelons are a favorite among gardeners who love bold flavors and show-stopping fruit. Their vigorous vines are resilient and productive, ensuring a rewarding harvest even for beginners.

Features

• Produces huge, sweet, and juicy watermelons
• Non-GMO, open-pollinated seeds with excellent germination
• Bright red flesh with classic summertime flavor
• Vigorous vines ideal for spacious garden beds and sunny areas
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• Reliable warm-season performer with high yields

Specifications

• Botanical Name: Citrullus lanatus
• Common Name (U.S.): Watermelon
• Variety: Giant
• Seed Type: Non-GMO, Open-Pollinated
• Season: Warm season
• Zones: USDA Zones 3–12
• Plant Type: Annual vine
• Growth Habit: Spreading vines
• Fruit Characteristics: Extra-large melons with bright red juicy flesh
• Flavor: Very sweet and refreshing
• Maturity: 85–95 days
• Light Requirements: Full sun
• Soil Requirements: Rich, well-draining soil; pH 6.0–7.0
• Watering: Deep, consistent watering
• Sowing Depth: ½–1 inch
• Spacing: 36–60 inches
• Germination: 7–10 days
• Temperature Range: 75–95°F for germination
• Special Notes: Requires warm soil and ample space for full development.

Planting Guide

• Direct sow outdoors once soil temperatures reach 70°F or warmer.
• For a head start, start seeds indoors 3–4 weeks before transplanting.
• Choose a sunny location with loose, fertile soil.
• Space plants generously to allow vines to spread.
• Water deeply, keeping soil moist but not waterlogged.
• Use mulch to retain warmth and moisture.
• Harvest when the underside turns creamy yellow and the tendril near the stem dries.