W02 Heima mid-late maturity high yield commercial black seedless watermelon seeds for planting

1.Seeds type: F1 hybrid seedless watermelon seeds

2.Whole grow period: About 105 days to harvest, fruit maturity days about 35 days

3.Seedless or not seedless: Seedless

4.Fruit skin: blackish green skin

5.Fruit shape: Global shape

6.Fresh color: blight red flesh

7.Fruit weight: 6 to 8kgs each fruit, biggest 20kgs

8.Sugar content: 12%

9.Yield: 3500 to 5000kgs/667m²

10.Others: Good fruit hardness, resistance to storage and transportation.

11.Suitable for: commercial watermelon farms, hybrid watermelon seed distributors, agricultural importers, professional growers, wholesale fruit production projects, and seed trading companies

12.Advantage: Strong hybrid genetics and advanced breeding technology deliver reliable seedlessness, excellent sweetness, high yield, stable plant performance, and attractive fruit—giving growers a dependable choice for large‑scale agricultural production

Supply: We offer F1 hybrid, Chinese‑supplied, and wholesale watermelon seeds.

14.Plant tips (for reference):

(1) Soaking: Soak seeds in clean water for about 3 hours. Transfer to limewater for 5–6 minutes to strip the smooth outer coat, then rinse thoroughly with clean water

(2) Cracking: Gently open the top one‑third of each seed with a tool or your teeth to help the sprout emerge

(3) Germination: Wrap seeds in a warm, damp towel, cover with plastic film, and place in a sprouting box or thermostatic chamber at about 35°C

Sowing dosage: 60 to 80Grams/667m²

Planting number: 650 to 700plants/667m2

Best grow temperature: 18 to 32 degree

In bag, 5Grams/bag, 500Bags/ctn

In bag, 10Grams/bag, 500Bags/ctn

In bag, 500Grams/bag, 50Bags/tn

In bulk, 25kgs/woven bag