66 days. When it comes to favorite, old-fashioned beans, Blue Lake is always at the top of the list. This bush-habited version has everything the pole variety offers but in a compact plant that quickly matures loads of beans in a single flush. The 20 inch tall, self-supporting plants produce ample harvests of 4 ½–5 inch long, green beans with an undeniably classic flavor. White seeds; 75 per ounce.