Suttons Seeds - Cucumber - Telegraph Improved Cucumis sativus Average Packet Content 8 seeds For really long cucumbers Growing info: Sow singly in pots February-May. Germinate at 15°C (60°F) for non-hybrids. F1 hybrids can be temperature sensitive, and we recommend temperatures of 25°C (78°F) day and 20°C (68°F) night for optimum germination. Excellent cucumbers can also be grown in frames and unheated greenhouses. (20 weeks maturity). Varieties with Powdery Mildew resistance should not be sown before the beginning of March. Hints & tips: HEALTH BENEFITS: Low in calories (96.4% water). CULINARY TIPS: Excellent for salads and sandwiches.