The gardeners choice, Cobra are black seeded for early production.The pods produced are about 7mm in diameter, long and straight and can be harvested over a long period. They can be used for indoor or outdoor production. They are the best French Bean to achieve the most tasty flavour. Climbing beans such as this variety should be supported much like you would support runner beans.
This family of beans is frost tender and cannot be sown until the weather has warmed up.