Perennial seeds. You can plant rhubarb out / under cover between October and March. Stalks Flower between May & August. Direct from GOOGIES greenhouse Googies at The Meadows - UK Minimum of 50 seeds. Most of our seed packets have far more than the minimum quantity inside the packet. Seeds are direct from GOOGIES Greenhouse. Dispatched with Royal Mail 1st Class Letter. Please view our other items. New items are being added all the time.