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Watermelon Congo is a vigorous long-vined seeded variety that develops very large oblong striped fruit. It needs full sun, warm soil, dependable water and open ground for its vines and fruit.
Ready to grow your own Congo watermelon? Follow our step-by-step Watermelon Grow Guide for sowing, germination and care advice.
Quick Grow Facts
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Growth form: Frost-tender warm-season annual with vigorous long vines and very large oblong seeded fruit.
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Scientific name: Citrullus lanatus 'Congo'.
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Seed form: Raw, unpelleted seed; sow dry. “Raw” does not by itself confirm untreated status.
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General sowing time: Spring to summer after frost, once soil is at least 18°C; use the regional guide for local windows.
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Position: Full sun.
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Sow depth: 5 mm under the current packet; keep the fine cover evenly moist.
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Spacing: 90 × 180 cm, with a clear ground-level vine run.
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Germination: Approximately 7–14 days at a target seed-zone temperature of 25–30°C.
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Pollination: Bee-pollinated male and female flowers on the same plant.
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Harvest: Approximately 90–120 days under the current packet; confirm a dry nearest tendril, dull hard rind and cream-to-yellow ground spot.
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Pack sizes: 10 g, 50 g and 500 g raw seed.
Why Grow This Variety
- Very large oblong fruit suits generous family servings and summer gatherings.
- Congo is an established South African production cultivar.
- Vigorous vines perform in a warm, sunny food garden with enough space.
Growing Notes
- Direct sow into warm soil or transplant a young intact plug at two to three true leaves.
- Grow on the ground rather than a lightweight trellis, and carry mature fruit from underneath.
- Water deeply and evenly from flowering through fruit fill, then avoid excessive irrigation close to harvest.
- The current packet gives no fixed fruit weight, yield level or disease-resistance package; none is guaranteed here.
Do not eat sowing seed or use it for feed, sprouts or microgreens. Follow the treatment warning on the physical lot supplied.
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