1. Agricultural research institutions or universities: Some agricultural research institutions or universities will study and cultivate grape varieties, and offer sapphire grape seedlings for sale, and obtain detailed information through official website or contact the investment promotion department.
2. Agricultural planting bases: Some professional agricultural planting bases will also plant and sell sapphire grape seedlings, and obtain relevant information through search engines or local agricultural departments.
3. Agricultural cooperatives or planting teams: In some areas where grape cultivation is developed, there will be some agricultural cooperatives or planting teams specializing in the production and sales of grape seedlings, and inquire about relevant information through local agricultural departments or online agricultural products trading platforms.
4. Home gardening market: Some home gardening markets also sell grape seedlings, so consult relevant information in the local gardening market.