These premium Bothrocaryum controversum seeds are carefully cleaned and screened to remove shrunken, broken and impure grains for stable germination after proper stratification treatment. This tree develops straight trunk and uniquely layered branches. It blooms small white flowers in late spring, and its round fruits turn from reddish purple to deep blue-black when fully ripe.
Product Advantages This ornamental tree has strong adaptability, good cold and heat tolerance, and relatively few pests and diseases. Its remarkable tiered branch structure creates stunning visual appeal all year round. It grows quickly once established, tolerates partial shade and suits many soil types as long as drainage is good. It works well for home garden landscaping, park decoration and ecological slope greening.
Planting Method The seeds need cold moist stratification before sowing. Mix seeds with damp sand and store at 0–5°C for 2–3 months. Sow in fertile loose soil in early spring, cover with 1.5cm fine soil. Keep bed moist without waterlogging. Germination usually takes 30–60 days. Choose a sunny or partially shaded spot. Space saplings 2–3 meters apart. Water regularly in dry seasons. Light fertilization in spring promotes growth. Minimal pruning is required, as the natural layered shape is the main ornamental feature.
Suitable Planting Regions Cornus controversa grows well in temperate and subtropical zones. It is widely adaptable from northern China down to southern mountainous regions. It prefers humid mountain slopes and valley environments. In areas with dry cold winters, young seedlings need simple winter protection.
Value & Application This tree has high ornamental value for courtyards, parks and street greening. Its neat tiered crown brings elegant landscape effects. The timber is fine-textured and can be used for carving and crafts. Seed oil can be extracted for industrial use. It also helps with soil and water conservation on slopes.
Storage & Transportation Notes Store unused seeds in cool, dry, dark and ventilated conditions. High temperature and dry air will reduce seed vitality. Avoid sealed airtight storage. For long keeping, low temperature sand storage is recommended. Seeds are packed in breathable packaging for shipment. Check seeds after receiving, and start stratification treatment if you plan to sow later.
FAQ Q: Why stratify the seeds? A: Cornus controversa seeds have hard seed coats and dormancy. Cold stratification breaks dormancy and greatly improves germination rate.
Q: Is it easy to maintain after planting? A: Yes. Once rooted, it is low-maintenance with few diseases, and retains its beautiful layered form naturally.
Q: Can it grow in pots? A: Young saplings can stay in large containers temporarily. It needs open ground for full mature tree development.
