Answer: Burpee has a catalog devoted to heirloom varieties; call 1-800-888-1447 to request a copy. The catalog lists 15 different heirloom tomato varieties. I could only find a wholesale supplier for the "Giant Tree" variety you mention--perhaps they will know where you can purchase the seeds retail: Germania Seed Co. 5952 N. Milwaukee Ave, Chicago, IL 60646, Tel. 312/631-6631. The address for Tomato Growers Supply is PO Box 2237, Fort Meyers, FL 33902; tel. 941/768-1119.
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